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Commit Graph

423 Commits

Author SHA1 Message Date
David Heidelberg
c36b5195ab iio: light: add Dyna-Image AL3010 driver
Based on:
- 3320A in-kernel driver
- https://www.spinics.net/lists/linux-iio/msg25145.html
- https://lore.kernel.org/patchwork/patch/684179/

I decided to keep it aside of AL3320A due to different approach and much
simpler design of 3010.

Tested on Nexus 7 2012 (grouper/tilapia).

Tested-by: David Heidelberg <david@ixit.cz>
Tested-by: Dmitry Osipenko <digetx@gmail.com>
Tested-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Reviewed-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: David Heidelberg <david@ixit.cz>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2020-03-08 17:28:34 +00:00
David Heidelberg
58d22a911d iio: light: al3320a slightly improve code formatting
- modified to be in part with al3010 driver
- cleanup using bitfield, no functionality change intended

Signed-off-by: David Heidelberg <david@ixit.cz>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2020-03-08 17:28:34 +00:00
Guido Günther
5e00708df3 iio: vcnl4000: Enable runtime pm for vcnl4200/4040
This is modelled after the vcnl4035 driver. For the vcnl40{0,1,2}0
we don't do anything since they use on demand measurement.

Signed-off-by: Guido Günther <agx@sigxcpu.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2020-02-14 15:06:24 +00:00
Guido Günther
4a818643e9 iio: vcnl4000: Use a single return when getting IIO_CHAN_INFO_RAW
This will be useful when introducing runtime pm.

Signed-off-by: Guido Günther <agx@sigxcpu.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2020-02-14 15:06:24 +00:00
Linus Walleij
97d642e230 iio: light: Add a driver for Sharp GP2AP002x00F
This driver handles two different Sharp sensors that have been
proposed for merging to the mainline kernel over the years, and
already has a limited proximity-only driver in the input
subsystem.

These components are completely different from the confusingly
similarly named Sharp GP2AP020A00F, for which we have a driver
in drivers/iio/light/gp2ap020a00f.c

The two components GP2AP002A00F and GP2AP002S00F are
distinctively different but similar: they share the same set of
registers but differ slightly in the I2C protocol.

Instead of the approach by the previous input driver, we create
a combined IIO proximity and light sensor driver.

The plan is to merge this driver and delete the input driver.

The pieces for the driver are picked all over the place after
researching and grepping through a few different vendor trees
and driver submissions.

We merge it under the light sensors because:

- It has similarities with the Capella CM3605 light sensor and
  proximity driver which is there.

- It is related to the GP2AP020A00F driver which is also there.

This driver was tested with the Samsung GT-S7710 mobile phone
which has the GP2AP002S00F proximity sensor mounted.

The suspend/resume cycle will disable the interrupt from the
sensor. If someone would desire to use this interrupt for
wakeup, the driver will need modifications.

Cc: Stephan Gerhold <stephan@gerhold.net>
Cc: Minkyu Kang <mk7.kang@samsung.com>
Cc: Paweł Chmiel <pawel.mikolaj.chmiel@gmail.com>
Cc: Jonathan Bakker <xc-racer2@live.ca>
Cc: Oskar Andero <oskar.andero@gmail.com>
Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Tested-by: Jonathan Bakker <xc-racer2@live.ca>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2020-02-14 12:08:19 +00:00
Linus Torvalds
79703e014b chrome platform changes for 5.6
* CrOS EC
 - Refactoring of some of cros_ec's headers. include/linux/mfd/cros_ec.h now
   removed, new cros_ec.h added drivers/platform/chrome which contains shared
   operations of cros_ec transport drivers.
 - Response tracing in cros_ec_proto
 
 * Wilco EC
 - Fix unregistration order.
 - Fix keyboard backlight probing on systems without keyboard backlight
 - Minor cleanup (newlines in printks, COMPILE_TEST)
 
 * Misc
 - chromeos_laptop converted to use i2c_new_scanned_device instead of
   i2c_new_probed_device
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Merge tag 'tag-chrome-platform-for-v5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux

Pull chrome platform updates from Benson Leung:
 "CrOS EC:

   - Refactoring of some of cros_ec's headers:

     include/linux/mfd/cros_ec.h now removed, new cros_ec.h added to
     drivers/platform/chrome which contains shared operations of cros_ec
     transport drivers.

   - Response tracing in cros_ec_proto

  Wilco EC:

   - Fix unregistration order.

   - Fix keyboard backlight probing on systems without keyboard
     backlight

   - Minor cleanup (newlines in printks, COMPILE_TEST)

  Misc:

   - chromeos_laptop converted to use i2c_new_scanned_device instead of
     i2c_new_probed_device"

* tag 'tag-chrome-platform-for-v5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux:
  platform/chrome: cros_ec: Match implementation with headers
  platform/chrome: cros_ec: Drop unaligned.h include
  platform/chrome: wilco_ec: Allow wilco to be compiled in COMPILE_TEST
  platform/chrome: wilco_ec: Add newlines to printks
  platform/chrome: wilco_ec: Fix unregistration order
  cros_ec: treewide: Remove 'include/linux/mfd/cros_ec.h'
  platform/chrome: cros_ec_ishtp: Make init_lock static
  platform/chrome: chromeos_laptop: Convert to i2c_new_scanned_device
  platform/chrome: cros_ec_lpc: Use platform_get_irq_optional() for optional IRQs
  platform/chrome: cros_ec_proto: Add response tracing
  platform/chrome: cros_ec_trace: Match trace commands with EC commands
2020-02-04 07:17:41 +00:00
Greg Kroah-Hartman
c318f074d9 Merge 5.5-rc7 into staging-next
We want the staging fixes in here as well

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-01-22 09:05:34 +01:00
Guido Günther
bc80573ea2 iio: light: vcnl4000: Fix scale for vcnl4040
According to the data sheet the ambient sensor's scale is 0.12 lux/step
(not 0.024 lux/step as used by vcnl4200) when the integration time is
80ms. The integration time is currently hardcoded in the driver to that
value.

See p. 8 in https://www.vishay.com/docs/84307/designingvcnl4040.pdf

Fixes: 5a441aade5 ("iio: light: vcnl4000 add support for the VCNL4040 proximity and light sensor")
Signed-off-by: Guido Günther <agx@sigxcpu.org>
Reviewed-by: Marco Felsch <m.felsch@pengutronix.de>
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-01-13 12:08:40 +01:00
Greg Kroah-Hartman
821f7ce79f First set of new device support, features and cleanups for IIO in the 5.6 cycle
New device support
 
 * ad7091r5 ADC
   - New driver with follow up patch adding scale and vref support.
   - DT bindings
 * ad7923
   - Support for ad7908, ad7918 and ad7928 added to driver.
 * bma180
   - Support the BMA254 accelerometer. Required fairly substantial rework
     to allow for small differences between this an existing parts.
 * bma400 accelerometer
   - New driver with follow up patch for regulator support.
   - DT bindings.
 * asc dlhl60d
   - New driver support this range of pressure and temperature sensors.
   - DT bindings.
 * ltc2496 ADC
   - New driver to support this ADC.
   - Split the existing LTC2497 driver generic component out and reuse.
   - DT bindings.
 * parallax ping
   - New driver supporting ultrasonic and laser tof distance sensors.
   - Bindings for these sensors.
 
 New features
 
 * core
   - New char type for read_raw returns, used for thermocouple types.
   - Rename read_first_n callback to read.   The reasons behind the original
     naming are lost to the mists of time.
 * ad799x
   - Allow pm_ops to disable device completely allowing regulator power down.
 * bma180
   - Enable basic regulator support.
 * dmaengine buffer
   - Report platform data alignment requirements via new ABI.
 * max31856
   - Add option to set mains filter rejection frequency and document
     new in_temp_filter_notch_center_frequency ABI.
   - Add support for configuring HW averaging (oversampling ratio)
   - Add runtime configuration of thermocouple type and document new ABI.
 * maxim-thermocouple
   - Add read only access to thermocouple type using new ABI, includes
     adding more specific compatibles to reflect which variant of the
     chip is being used.
 * mpu6050
   - Provide option to support the PMU9150 in package magnetometer directly
     rather than via auxiliary bus.
 * stm32_adc
   - Add overrun interrupt checks to detect if this happens.
 * st_lsm6dsx
   - Enable the sensor-hub support for lsm6dsm. Includes various reworks to
     allow this.
 
 Cleanups and minor fixes
 
 * Subsystem wide
   - Tidy up indentation in Kconfig and fix alphabetical order of AD7091R5.
   - Drop linux/gpio.h and linux/of_gpio.h from drivers that don't use them.
 * ad7266
   - Convert to GPIO descriptors.
 * ad7303
   - Avoid a dance with checking if the regulator is supplied by just
     using the optional request interface.
 * ad7887
   - Simplify channel specification assignment to enable adding more devices.
 * ad7923
   - Drop some unused and largely pointless defines of BOB_N==N variety.
   - Tidy up checkpatch warnings.
   - Add missing of_device_id table.
 * adf4350
   - Convert to GPIO descriptors.
 * ak8975
   - Convert to GPIO descriptors.
 * ADIS library and drivers
   - Expand scope of txrx_lock to cover all state and rename as state_lock
   - Add unlocked read / write to allow grouping of consecutive calls under
     single lock / unlock.
   - Add unlocked check_status, reset to allow grouping under single
     lock / unlock.
   - Remove remaining uses of core mlock for local state protection.
     mlock should never be used directly as it protects tightly defined
     core IIO device management state.
 * adis16240
   - Enforce only supported SPI mode on driver load + add DT binding doc.
 * atlas-ph-sensor
   - Rename to atlas-sensor given it now covers things beyond ph sensors.
 * bma180
   - Use local dev variable to tidy up code.
   - Use c99 style explicity .member assignment to make driver more readable.
 * bmp280
   - Drop ACPI support. No evidence this was used and appropriate ID is not
     registered.
   - Allow ACPI to bind device via PRP0001
 * dmaengine buffer
   - Use dma_request_chan instead of dma_request_slave_channel_reason as that
     ABI is going away.
   - Add module info to avoid tainting the kernel.
 * hts221
   - Avoid magic number defines when only used to fill structure elements
     that are self describing.
 * lm3533
   - Drop a stray semicolon.
 * max9611
   - Cleanup enum handling to be more resilient to future changes.
 * mpu6050
   - Delete MPU9150 from supported SPI devices as doesn't provide SPI.
   - Select I2C_MUX again after kbuild issue fixed elsewhere.
 * stm32-timer
   - Drop an unnecessary register update.
 * ssp_sensors
   - Convert to GPIO descriptors.
 * st_sensors
   - drop !CONFIG_ACPI defines as ACPI_PTR() will stop them being used
     anyway.
   - Make default platform data structures __maybe_unsued.
   - Fill in some missing kernel-doc function parameters.
 * st_lsm6dsx
   - white space fixes.
   - Mark some constants that aren't always used as __maybe_unused.
   - Drop of ID table guards as they just pervent use under ACPI.
   - Switch to device properties to allow ACPI usage.
 * st_uvis25
   - Drop acpi.h include as no ACPI APIs used.
 * ti-ads1015
   - Drop legacy platform data as no one seems to be using it.
   - Use the device property API instead of OF specific.
 * ti-ads7950
   - typo fix in error message.
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Merge tag 'iio-for-5.6a' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-next

Jonathan writes:

First set of new device support, features and cleanups for IIO in the 5.6 cycle

New device support

* ad7091r5 ADC
  - New driver with follow up patch adding scale and vref support.
  - DT bindings
* ad7923
  - Support for ad7908, ad7918 and ad7928 added to driver.
* bma180
  - Support the BMA254 accelerometer. Required fairly substantial rework
    to allow for small differences between this an existing parts.
* bma400 accelerometer
  - New driver with follow up patch for regulator support.
  - DT bindings.
* asc dlhl60d
  - New driver support this range of pressure and temperature sensors.
  - DT bindings.
* ltc2496 ADC
  - New driver to support this ADC.
  - Split the existing LTC2497 driver generic component out and reuse.
  - DT bindings.
* parallax ping
  - New driver supporting ultrasonic and laser tof distance sensors.
  - Bindings for these sensors.

New features

* core
  - New char type for read_raw returns, used for thermocouple types.
  - Rename read_first_n callback to read.   The reasons behind the original
    naming are lost to the mists of time.
* ad799x
  - Allow pm_ops to disable device completely allowing regulator power down.
* bma180
  - Enable basic regulator support.
* dmaengine buffer
  - Report platform data alignment requirements via new ABI.
* max31856
  - Add option to set mains filter rejection frequency and document
    new in_temp_filter_notch_center_frequency ABI.
  - Add support for configuring HW averaging (oversampling ratio)
  - Add runtime configuration of thermocouple type and document new ABI.
* maxim-thermocouple
  - Add read only access to thermocouple type using new ABI, includes
    adding more specific compatibles to reflect which variant of the
    chip is being used.
* mpu6050
  - Provide option to support the PMU9150 in package magnetometer directly
    rather than via auxiliary bus.
* stm32_adc
  - Add overrun interrupt checks to detect if this happens.
* st_lsm6dsx
  - Enable the sensor-hub support for lsm6dsm. Includes various reworks to
    allow this.

Cleanups and minor fixes

* Subsystem wide
  - Tidy up indentation in Kconfig and fix alphabetical order of AD7091R5.
  - Drop linux/gpio.h and linux/of_gpio.h from drivers that don't use them.
* ad7266
  - Convert to GPIO descriptors.
* ad7303
  - Avoid a dance with checking if the regulator is supplied by just
    using the optional request interface.
* ad7887
  - Simplify channel specification assignment to enable adding more devices.
* ad7923
  - Drop some unused and largely pointless defines of BOB_N==N variety.
  - Tidy up checkpatch warnings.
  - Add missing of_device_id table.
* adf4350
  - Convert to GPIO descriptors.
* ak8975
  - Convert to GPIO descriptors.
* ADIS library and drivers
  - Expand scope of txrx_lock to cover all state and rename as state_lock
  - Add unlocked read / write to allow grouping of consecutive calls under
    single lock / unlock.
  - Add unlocked check_status, reset to allow grouping under single
    lock / unlock.
  - Remove remaining uses of core mlock for local state protection.
    mlock should never be used directly as it protects tightly defined
    core IIO device management state.
* adis16240
  - Enforce only supported SPI mode on driver load + add DT binding doc.
* atlas-ph-sensor
  - Rename to atlas-sensor given it now covers things beyond ph sensors.
* bma180
  - Use local dev variable to tidy up code.
  - Use c99 style explicity .member assignment to make driver more readable.
* bmp280
  - Drop ACPI support. No evidence this was used and appropriate ID is not
    registered.
  - Allow ACPI to bind device via PRP0001
* dmaengine buffer
  - Use dma_request_chan instead of dma_request_slave_channel_reason as that
    ABI is going away.
  - Add module info to avoid tainting the kernel.
* hts221
  - Avoid magic number defines when only used to fill structure elements
    that are self describing.
* lm3533
  - Drop a stray semicolon.
* max9611
  - Cleanup enum handling to be more resilient to future changes.
* mpu6050
  - Delete MPU9150 from supported SPI devices as doesn't provide SPI.
  - Select I2C_MUX again after kbuild issue fixed elsewhere.
* stm32-timer
  - Drop an unnecessary register update.
* ssp_sensors
  - Convert to GPIO descriptors.
* st_sensors
  - drop !CONFIG_ACPI defines as ACPI_PTR() will stop them being used
    anyway.
  - Make default platform data structures __maybe_unsued.
  - Fill in some missing kernel-doc function parameters.
* st_lsm6dsx
  - white space fixes.
  - Mark some constants that aren't always used as __maybe_unused.
  - Drop of ID table guards as they just pervent use under ACPI.
  - Switch to device properties to allow ACPI usage.
* st_uvis25
  - Drop acpi.h include as no ACPI APIs used.
* ti-ads1015
  - Drop legacy platform data as no one seems to be using it.
  - Use the device property API instead of OF specific.
* ti-ads7950
  - typo fix in error message.

* tag 'iio-for-5.6a' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio: (99 commits)
  iio: accel: bma180: BMA254 support
  iio: pressure: bmp280: Allow device to be enumerated from ACPI
  iio: pressure: bmp280: Drop ACPI support
  dt-bindings: iio: adc: convert sd modulator to json-schema
  iio: buffer: rename 'read_first_n' callback to 'read'
  iio: buffer-dmaengine: Report buffer length requirements
  bindings: iio: pressure: Add documentation for dlh driver
  dt-bindings: Add asc vendor
  iio: pressure: Add driver for DLH pressure sensors
  iio: buffer-dmaengine: Add module information
  iio: accel: bma180: Use explicit member assignment
  iio: accel: bma180: Basic regulator support
  iio: accel: bma180: Add dev helper variable
  iio: imu: st_lsm6dsx: enable sensor-hub support for lsm6dsm
  iio: imu: st_lsm6dsx: rename st_lsm6dsx_shub_read_reg in st_lsm6dsx_shub_read_output
  iio: imu: st_lsm6dsx: check if shub_output reg is located in primary page
  iio: imu: st_lsm6dsx: check if pull_up is located in primary page
  iio: imu: st_lsm6dsx: check if master_enable is located in primary page
  iio: imu: st_lsm6dsx: export max num of slave devices in st_lsm6dsx_shub_settings
  iio: light: remove unneeded semicolon
  ...
2020-01-10 10:44:00 +01:00
Enric Balletbo i Serra
11f1eabee0 cros_ec: treewide: Remove 'include/linux/mfd/cros_ec.h'
This header file now only includes the cros_ec_dev struct, however, is the
'include/linux/platform_data/cros_ec_proto.h' who contains the definition of
all the Chrome OS EC related structs. There is no reason to have a
separate include for this struct so move to the place where other
structs are defined. That way, we can remove the include itself, but also
simplify the common pattern

    #include <linux/mfd/cros_ec.h>
    #include <linux/platform_data/cros_ec_proto.h>

for a single include

    #include <linux/platform_data/cros_ec_proto.h>

The changes to remove the cros_ec.h include were generated with the
following shell script:

    git grep -l "<linux/mfd/cros_ec.h>" | xargs sed -i '/<linux\/mfd\/cros_ec.h>/d'

Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Acked-by: Lee Jones <lee.jones@linaro.org>
Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Acked-by: Sebastian Reichel <sre@kernel.org>
Acked-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
2020-01-07 17:36:46 +01:00
Chen Zhou
4dae3d6147 iio: light: remove unneeded semicolon
Fixes coccicheck warning:

./drivers/iio/light/lm3533-als.c:745:2-3: Unneeded semicolon

Signed-off-by: Chen Zhou <chenzhou10@huawei.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2019-12-29 15:20:06 +00:00
Andy Shevchenko
d9fa3fd4bc iio: light: st_uvis25: Drop unneeded header inclusion
There is no evidence that the driver supports or needs ACPI APIs.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2019-12-29 15:20:04 +00:00
Linus Walleij
7544cd4c8a iio: apds9960: Drop GPIO includes
The driver includes <linux/gpio.h> and <linux/of_gpio.h> yet
fails to use symbols from any of the include files, so drop
these includes.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2019-12-15 11:42:15 +00:00
Linus Walleij
cbe5997907 iio: si1145: Drop GPIO include
The driver include <linux/gpio.h> yet does not use any
of the symbols from the header, so drop the include.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2019-12-15 11:42:15 +00:00
Linus Torvalds
63de37476e chrome platform changes for v5.5
* CrOS EC / MFD / IIO
  - Contains tag-ib-chrome-mfd-iio-input-5.5, which is the first part of a
    series from Gwendal to refactor sensor code between MFD, CrOS EC, iio
    and input in order to add a new sensorhub driver and FIFO processing
 
 * Wilco EC:
  - Add support for Dell's USB PowerShare policy control, keyboard
    backlight LED driver, and a new test_event file.
  - Fixes use after free in wilco_ec's telemetry driver.
 
 * Misc:
  - bugfix in cros_usbpd_logger (missing destroy workqueue).
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Merge tag 'tag-chrome-platform-for-v5.5' of git://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux

Pull chrome platform changes from Benson Leung:
 "CrOS EC / MFD / IIO:

   - Contains tag-ib-chrome-mfd-iio-input-5.5, which is the first part
     of a series from Gwendal to refactor sensor code between MFD, CrOS
     EC, iio and input in order to add a new sensorhub driver and FIFO
     processing

  Wilco EC:

   - Add support for Dell's USB PowerShare policy control, keyboard
     backlight LED driver, and a new test_event file.

   - Fixes use after free in wilco_ec's telemetry driver.

  Misc:

   - bugfix in cros_usbpd_logger (missing destroy workqueue)"

* tag 'tag-chrome-platform-for-v5.5' of git://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux:
  platform/chrome: wilco_ec: fix use after free issue
  platform/chrome: cros_ec: Add Kconfig default for cros-ec-sensorhub
  Revert "Input: cros_ec_keyb: mask out extra flags in event_type"
  Revert "Input: cros_ec_keyb - add back missing mask for event_type"
  platform/chrome: cros_ec: handle MKBP more events flag
  platform/chrome: cros_ec: Do not attempt to register a non-positive IRQ number
  platform/chrome: cros-ec: Record event timestamp in the hard irq
  mfd / platform / iio: cros_ec: Register sensor through sensorhub
  iio / platform: cros_ec: Add cros-ec-sensorhub driver
  mfd / platform: cros_ec: Add sensor_count and make check_features public
  platform/chrome: cros_ec: Put docs with the code
  platform/chrome: cros_usbpd_logger: add missed destroy_workqueue in remove
  platform/chrome: cros_ec: Fix Kconfig indentation
  platform/chrome: wilco_ec: Add keyboard backlight LED support
  platform/chrome: wilco_ec: Add charging config driver
  platform/chrome: wilco_ec: Add Dell's USB PowerShare Policy control
  platform/chrome: wilco_ec: Add debugfs test_event file
2019-12-03 14:37:12 -08:00
Gwendal Grignou
d60ac88a62 mfd / platform / iio: cros_ec: Register sensor through sensorhub
Remove the duplicated code in MFD, since MFD just registers cros-ec-sensorhub
if at least one sensor is present.

Change IIO cros-ec driver to get the pointer to the cros-ec-dev through
cros-ec-sensorhub.

Signed-off-by: Gwendal Grignou <gwendal@chromium.org>
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
2019-11-21 11:23:14 +01:00
Rishi Gupta
7b779f573c iio: light: add driver for veml6030 ambient light sensor
veml6030 is an ambient light sensor from Vishay semiconductors.
It has 16-bit resolution, supports both ambient light measurement
and white channel which is more responsive to wider wavelength
spectrum. It has flexible power saving, integration time and
gain options. Communication with host is over I2C.

Signed-off-by: Rishi Gupta <gupt21@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2019-11-10 10:39:33 +00:00
Manivannan Sadhasivam
3565435455 iio: light: Add support for ADUX1020 sensor
Add initial support for Analog Devices ADUX1020 Photometric sensor.
Only proximity mode has been enabled for now.

Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2019-10-15 21:11:02 +01:00
Greg Kroah-Hartman
27d6e47f8e Merge 5.4-rc3 into staging-next
We want the staging driver fixes in here as well to build on and test
with.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-10-14 07:07:36 +02:00
Greg Kroah-Hartman
9dc86c234e First set of IIO new device support, cleanups and features for the 5.5 cycle
Third version with the adis rework set dropped as better to just have
 a fresh version of that at some future date.
 
 The usual mixed backs of new device support being added to drivers,
 long term reworks continuing and little per driver cleanups and
 features.
 
 Also a few trivial counter subsystem tidy ups on behalf of William.
 
 Core new feature
 * Device label support.  A long requested feature no one got around to
   implementing before.  Allows DT based provision of a 'label' that
   identifies a device uniquely within a system.  This differs from existing
   'name' which is meant to be the part number.
 New device support
 * ingenic-adc
   - Support for the JZ4770 SoC ADC including bindings.
 * inv_mpu6050
   - Add support for magnetometer in MPU925x parts.
     Fiddly to do as this is actually a separate device sitting inside the
     package, but with the master device being able to schedule reads etc.
     Will only run if the auxiliary bus is not in use for any other devices.
 
 Features
 * ad7192
   - Userspace calibration controls to do zero and full scale.
 * st_lsm6dsx
   - Enable latched interrupts by default for sensors events with related clear.
   - Motion events and related wakeup source.  This needed quite a bit of
     refactoring as well.
 
 Cleanups and minor features
 * ad7192
   - sysfs ABI docs
 * ad7949
   - Remove code to readback configuration word as driver never actually enabled
     it.
   - Fix incorrect xfer length.  Not actually known to cause problems other
     than wasted bus usage.
 * adis16080
   - Replace core mlock usage with local lock with more appropriate scope.
 * adis16130
   - Remove pointless mlock usage.
 * adis16240
   - Remove include of gpio.h as no gpio usage.
 * atlas-ph-sensor
   - Improve logical ordering of buffer predisable / postenable functions.
     This is part of a longer term rework Alexandru is driving towards.
 * bh1750
   - Fix up a static compiler warning and make the code more readable.
   - yaml conversion of binding + MAINTAINERS entry.
 * bmp280
   - Drop a stray newline.
 * cm36651
   - Drop a redundant assignment
 * itg3200
   - Alignment cleanup.
 * max31856
   - Add missing of_node and parent references, useful to identify the device.
 * sc27xx_adc
   - Use devm_hwspin_lock_request_specific rather than local rolled version.
 * stm32-lptimer counter
   - kernel-doc warning.
 * stm32-timer counter
   - kernel-doc warning.
   - Alignment cleanup.
 * sx9500
   - Improve logical ordering of buffer predisable / postenable functions.
     This is part of a longer term rework Alexandru is driving towards.
 * tcs3414
   - Improve logical ordering of buffer predisable / postenable functions.
     This is part of a longer term rework Alexandru is driving towards.
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Merge tag 'iio-for-5.5a-take3' of https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-next

Jonathan writes:

First set of IIO new device support, cleanups and features for the 5.5 cycle

Third version with the adis rework set dropped as better to just have
a fresh version of that at some future date.

The usual mixed backs of new device support being added to drivers,
long term reworks continuing and little per driver cleanups and
features.

Also a few trivial counter subsystem tidy ups on behalf of William.

Core new feature
* Device label support.  A long requested feature no one got around to
  implementing before.  Allows DT based provision of a 'label' that
  identifies a device uniquely within a system.  This differs from existing
  'name' which is meant to be the part number.
New device support
* ingenic-adc
  - Support for the JZ4770 SoC ADC including bindings.
* inv_mpu6050
  - Add support for magnetometer in MPU925x parts.
    Fiddly to do as this is actually a separate device sitting inside the
    package, but with the master device being able to schedule reads etc.
    Will only run if the auxiliary bus is not in use for any other devices.

Features
* ad7192
  - Userspace calibration controls to do zero and full scale.
* st_lsm6dsx
  - Enable latched interrupts by default for sensors events with related clear.
  - Motion events and related wakeup source.  This needed quite a bit of
    refactoring as well.

Cleanups and minor features
* ad7192
  - sysfs ABI docs
* ad7949
  - Remove code to readback configuration word as driver never actually enabled
    it.
  - Fix incorrect xfer length.  Not actually known to cause problems other
    than wasted bus usage.
* adis16080
  - Replace core mlock usage with local lock with more appropriate scope.
* adis16130
  - Remove pointless mlock usage.
* adis16240
  - Remove include of gpio.h as no gpio usage.
* atlas-ph-sensor
  - Improve logical ordering of buffer predisable / postenable functions.
    This is part of a longer term rework Alexandru is driving towards.
* bh1750
  - Fix up a static compiler warning and make the code more readable.
  - yaml conversion of binding + MAINTAINERS entry.
* bmp280
  - Drop a stray newline.
* cm36651
  - Drop a redundant assignment
* itg3200
  - Alignment cleanup.
* max31856
  - Add missing of_node and parent references, useful to identify the device.
* sc27xx_adc
  - Use devm_hwspin_lock_request_specific rather than local rolled version.
* stm32-lptimer counter
  - kernel-doc warning.
* stm32-timer counter
  - kernel-doc warning.
  - Alignment cleanup.
* sx9500
  - Improve logical ordering of buffer predisable / postenable functions.
    This is part of a longer term rework Alexandru is driving towards.
* tcs3414
  - Improve logical ordering of buffer predisable / postenable functions.
    This is part of a longer term rework Alexandru is driving towards.

* tag 'iio-for-5.5a-take3' of https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio: (41 commits)
  iio: pressure: bmp280: remove stray newline
  iio: adc: sc27xx: Use devm_hwspin_lock_request_specific() to simplify code
  iio: chemical: atlas-ph-sensor: fix iio_triggered_buffer_predisable() position
  iio: gyro: clean up indentation issue
  counter: stm32: clean up indentation issue
  iio: proximity: sx9500: fix iio_triggered_buffer_{predisable,postenable} positions
  iio: core: Add optional symbolic label to device attributes
  dt-binding: iio: Add optional label property
  iio: gyro: adis16080: replace mlock with own lock
  counter: stm32-lptimer-cnt: fix a kernel-doc warning
  counter: stm32-timer-cnt: fix a kernel-doc warning
  iio: gyro: adis16130: remove mlock usage
  MAINTAINERS: add entry for ROHM BH1750 driver
  dt-bindings: iio: light: bh1750: convert bindings to yaml
  iio: imu: st_lsm6dsx: add motion report function and call from interrupt
  iio: imu: st_lsm6dsx: always enter interrupt thread
  iio: imu: st_lsm6dsx: add wakeup-source option
  iio: imu: st_lsm6dsx: add motion events
  iio: imu: st_lsm6dsx: move interrupt thread to core
  iio: imu: inv_mpu6050: add fifo support for magnetometer data
  ...
2019-10-13 10:59:05 +02:00
Greg Kroah-Hartman
3f3d31622a First set of IIO fixes for the 5.4 cycle.
* adis16400
   - Make sure to free memory on a few failure paths.
 * adxl372
   - Fix wrong fifo depth
   - Fix wrong indexing of data from the fifo.
   - Perform a reset at startup to avoid a problem with inconsistent state.
 * axp288
   - This is a fix for a fix.  The original fix made sure we kept the
     configuration from some firmwares to preserve a bias current.
     Unfortunately it appears the previous behaviour was working around
     a buggy firmware by overwriting the wrong value it had.  Hence
     a regression was seen.
 * bmc150
   - Fix the centre temperature.  This was due to an error in one of the
     datasheets.
 * hx711
   - Fix an issue where a badly timed interrupt could lead to a control
     line being high long enough to put the device into a low power state.
 * meson_sar_adc
   - Fix a case where the irq was enabled before everything it uses was
     allocated.
 * st_lsm6dsx
   - Ensure we don't set the sensor sensitivity to 0 as it will force
     all readings to 0.
   - Fix a wait time for the slave i2c controller when the accelerometer
     is not enabled.
 * stm32-adc
   - Precursor for fix. Move a set of register definitions to a header.
   - Fix a race when several ADCs are in use with some using interrupts
     to control the dataflow and some using DMA.
 * vcnl4000
   - Fix a garbage of_match_table in which a string was passed instead
     of the intended enum.
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Merge tag 'iio-fixes-for-5.4a' of https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-linus

Jonathan writes:

First set of IIO fixes for the 5.4 cycle.

* adis16400
  - Make sure to free memory on a few failure paths.
* adxl372
  - Fix wrong fifo depth
  - Fix wrong indexing of data from the fifo.
  - Perform a reset at startup to avoid a problem with inconsistent state.
* axp288
  - This is a fix for a fix.  The original fix made sure we kept the
    configuration from some firmwares to preserve a bias current.
    Unfortunately it appears the previous behaviour was working around
    a buggy firmware by overwriting the wrong value it had.  Hence
    a regression was seen.
* bmc150
  - Fix the centre temperature.  This was due to an error in one of the
    datasheets.
* hx711
  - Fix an issue where a badly timed interrupt could lead to a control
    line being high long enough to put the device into a low power state.
* meson_sar_adc
  - Fix a case where the irq was enabled before everything it uses was
    allocated.
* st_lsm6dsx
  - Ensure we don't set the sensor sensitivity to 0 as it will force
    all readings to 0.
  - Fix a wait time for the slave i2c controller when the accelerometer
    is not enabled.
* stm32-adc
  - Precursor for fix. Move a set of register definitions to a header.
  - Fix a race when several ADCs are in use with some using interrupts
    to control the dataflow and some using DMA.
* vcnl4000
  - Fix a garbage of_match_table in which a string was passed instead
    of the intended enum.

* tag 'iio-fixes-for-5.4a' of https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio:
  iio: Fix an undefied reference error in noa1305_probe
  iio: light: opt3001: fix mutex unlock race
  iio: adc: ad799x: fix probe error handling
  iio: light: add missing vcnl4040 of_compatible
  iio: light: fix vcnl4000 devicetree hooks
  iio: imu: st_lsm6dsx: fix waitime for st_lsm6dsx i2c controller
  iio: adc: axp288: Override TS pin bias current for some models
  iio: imu: adis16400: fix memory leak
  iio: imu: adis16400: release allocated memory on failure
  iio: adc: stm32-adc: fix a race when using several adcs with dma and irq
  iio: adc: stm32-adc: move registers definitions
  iio: accel: adxl372: Perform a reset at start up
  iio: accel: adxl372: Fix push to buffers lost samples
  iio: accel: adxl372: Fix/remove limitation for FIFO samples
  iio: adc: hx711: fix bug in sampling of data
  iio: fix center temperature of bmc150-accel-core
  iio: imu: st_lsm6dsx: forbid 0 sensor sensitivity
  iio: adc: meson_saradc: Fix memory allocation order
2019-10-10 11:18:37 +02:00
zhong jiang
a26e0fbe06 iio: Fix an undefied reference error in noa1305_probe
I hit the following error when compile the kernel.

drivers/iio/light/noa1305.o: In function `noa1305_probe':
noa1305.c:(.text+0x65): undefined reference to `__devm_regmap_init_i2c'
make: *** [vmlinux] Error 1

Signed-off-by: zhong jiang <zhongjiang@huawei.com>
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2019-10-09 19:11:29 +01:00
David Frey
82f3015635 iio: light: opt3001: fix mutex unlock race
When an end-of-conversion interrupt is received after performing a
single-shot reading of the light sensor, the driver was waking up the
result ready queue before checking opt->ok_to_ignore_lock to determine
if it should unlock the mutex. The problem occurred in the case where
the other thread woke up and changed the value of opt->ok_to_ignore_lock
to false prior to the interrupt thread performing its read of the
variable. In this case, the mutex would be unlocked twice.

Signed-off-by: David Frey <dpfrey@gmail.com>
Reviewed-by: Andreas Dannenberg <dannenberg@ti.com>
Fixes: 94a9b7b180 ("iio: light: add support for TI's opt3001 light sensor")
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2019-10-09 19:11:29 +01:00
Marco Felsch
7fd1c26065 iio: light: add missing vcnl4040 of_compatible
Commit 5a441aade5 ("iio: light: vcnl4000 add support for the VCNL4040
proximity and light sensor") added the support for the vcnl4040 but
forgot to add the of_compatible. Fix this by adding it now.

Signed-off-by: Marco Felsch <m.felsch@pengutronix.de>
Fixes: 5a441aade5 ("iio: light: vcnl4000 add support for the VCNL4040 proximity and light sensor")
Reviewed-by: Angus Ainslie (Purism) angus@akkea.ca
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2019-10-09 19:11:28 +01:00
Marco Felsch
1436a78c63 iio: light: fix vcnl4000 devicetree hooks
Since commit ebd457d559 ("iio: light: vcnl4000 add devicetree hooks")
the of_match_table is supported but the data shouldn't be a string.
Instead it shall be one of 'enum vcnl4000_device_ids'. Also the matching
logic for the vcnl4020 was wrong. Since the data retrieve mechanism is
still based on the i2c_device_id no failures did appeared till now.

Fixes: ebd457d559 ("iio: light: vcnl4000 add devicetree hooks")
Signed-off-by: Marco Felsch <m.felsch@pengutronix.de>
Reviewed-by: Angus Ainslie (Purism) angus@akkea.ca
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2019-10-09 19:11:28 +01:00
Alexandru Ardelean
0fe2f2b789 iio: tcs3414: fix iio_triggered_buffer_{pre,post}enable positions
The iio_triggered_buffer_{predisable,postenable} functions attach/detach
the poll functions.

For the predisable hook, the disable code should occur before detaching
the poll func, and for the postenable hook, the poll func should be
attached before the enable code.

The driver was slightly reworked. The preenable hook was moved to the
postenable, to add some symmetry to the postenable/predisable part.

Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2019-09-21 16:31:38 +01:00
Linus Torvalds
32b90daf5c chrome platform changes for v5.4
* CrOS EC / MFD Migration
  - Move cros_ec core driver from mfd into chrome platform.
 
 * Wilco EC:
  - Add batt_ppid_info command to Wilco telemetry driver.
 
 * CrOS EC:
  - cros_ec_rpmsg : Add support to inform EC of suspend/resume status
  - cros_ec_rpmsg : Fix race condition on probe failed
  - cros_ec_chardev : Add a poll handler to receive MKBP events
 
 * Misc:
  - bugfixes in cros_usbpd_logger and cros_ec_ishtp
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Merge tag 'tag-chrome-platform-for-v5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux

Pull chrome platform updates from Benson Leung:
 "CrOS EC / MFD Migration:
    - Move cros_ec core driver from mfd into chrome platform.

  Wilco EC:
    - Add batt_ppid_info command to Wilco telemetry driver.

  CrOS EC:
    - cros_ec_rpmsg : Add support to inform EC of suspend/resume status
    - cros_ec_rpmsg : Fix race condition on probe failed
    - cros_ec_chardev : Add a poll handler to receive MKBP events

  Misc:
    - bugfixes in cros_usbpd_logger and cros_ec_ishtp"

* tag 'tag-chrome-platform-for-v5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux:
  platform/chrome: cros_usbpd_logger: null check create_singlethread_workqueue
  platform/chrome: cros_ec_chardev: Add a poll handler to receive MKBP events
  platform/chrome: cros_ec_rpmsg: Fix race with host command when probe failed
  platform/chrome: chromeos_tbmc: Report wake events
  mfd: cros_ec: Use mfd_add_hotplug_devices() helper
  mfd: cros_ec: Add convenience struct to define autodetectable CrOS EC subdevices
  mfd: cros_ec: Add convenience struct to define dedicated CrOS EC MCUs
  mfd: cros_ec: Use kzalloc and cros_ec_cmd_xfer_status helper
  mfd / platform: cros_ec: Reorganize platform and mfd includes
  mfd / platform: cros_ec: Rename config to a better name
  mfd: cros_ec: Switch to use the new cros-ec-chardev driver
  mfd / platform: cros_ec: Miscellaneous character device to talk with the EC
  mfd / platform: cros_ec: Move cros-ec core driver out from MFD
  mfd / platform: cros_ec: Handle chained ECs as platform devices
  platform/chrome: cros_ec_rpmsg: Add host command AP sleep state support
  platform/chrome: chromeos_laptop: drop checks of NULL-safe functions
  platform/chrome: wilco_ec: Add batt_ppid_info command to telemetry driver
2019-09-19 14:14:28 -07:00
Krzysztof Wilczynski
f552fde983 iio: light: bh1750: Resolve compiler warning and make code more readable
Separate the declaration of struct bh1750_chip_info from definition
of bh1750_chip_info_tbl[] in a single statement as it makes the code
hard to read, and with the extra newline it makes it look as if the
bh1750_chip_info_tbl[] had no explicit type.

This change also resolves the following compiler warning about the
unusual position of the static keyword that can be seen when building
with warnings enabled (W=1):

drivers/iio/light/bh1750.c:64:1: warning:
  ‘static’ is not at beginning of declaration [-Wold-style-declaration]

Related to commit 3a11fbb037 ("iio: light: add support for ROHM
BH1710/BH1715/BH1721/BH1750/BH1751 ambient light sensors").

Signed-off-by: Krzysztof Wilczynski <kw@linux.com>
Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2019-09-15 10:47:02 +01:00
Colin Ian King
5e7965681a iio: light: cm36651: redundant assignment to variable ret
Variable ret is being assigned a value that is never read and
is being re-assigned a little later on. The assignment is redundant
and hence can be removed.

Addresses-Coverity: ("Ununsed value")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2019-09-08 12:37:30 +01:00
Enric Balletbo i Serra
840d9f131f mfd / platform: cros_ec: Reorganize platform and mfd includes
There is a bit of mess between cros-ec mfd includes and platform
includes. For example, we have a linux/mfd/cros_ec.h include that
exports the interface implemented in platform/chrome/cros_ec_proto.c. Or
we have a linux/mfd/cros_ec_commands.h file that is non related to the
multifunction device (in the sense that is not exporting any function of
the mfd device). This causes crossed includes between mfd and
platform/chrome subsystems and makes the code difficult to read, apart
from creating 'curious' situations where a platform/chrome driver includes
a linux/mfd/cros_ec.h file just to get the exported functions that are
implemented in another platform/chrome driver.

In order to have a better separation on what the cros-ec multifunction
driver does and what the cros-ec core provides move and rework the
affected includes doing:

 - Move cros_ec_commands.h to include/linux/platform_data/cros_ec_commands.h
 - Get rid of the parts that are implemented in the platform/chrome/cros_ec_proto.c
   driver from include/linux/mfd/cros_ec.h to a new file
   include/linux/platform_data/cros_ec_proto.h
 - Update all the drivers with the new includes, so
   - Drivers that only need to know about the protocol include
     - linux/platform_data/cros_ec_proto.h
     - linux/platform_data/cros_ec_commands.h
   - Drivers that need to know about the cros-ec mfd device also include
     - linux/mfd/cros_ec.h

Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Acked-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Mark Brown <broonie@kernel.org>
Acked-by: Wolfram Sang <wsa@the-dreams.de>
Acked-by: Neil Armstrong <narmstrong@baylibre.com>
Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Acked-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Acked-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Acked-by: Chanwoo Choi <cw00.choi@samsung.com>
Reviewed-by: Gwendal Grignou <gwendal@chromium.org>
Tested-by: Gwendal Grignou <gwendal@chromium.org>
Series changes: 3
- Fix dereferencing pointer to incomplete type 'struct cros_ec_dev' (lkp)
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2019-09-02 11:33:42 +01:00
Jonathan Cameron
31664caaf4 iio:light:noa1305: Fix missing break statement.
This got caught by the implicit fall through detection but is
a bug rather than missing marking.

Reported-by: 0-DAY kernel test infrastructure
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Fixes: 741172d18e ("iio: light: noa1305: Add support for NOA1305")
Link: https://lore.kernel.org/r/20190813133851.14345-1-Jonathan.Cameron@huawei.com
Cc: Gustavo Silva <gustavo@embeddedor.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-08-14 09:37:36 +02:00
Martyn Welch
741172d18e iio: light: noa1305: Add support for NOA1305
This driver adds the initial support for the ON Semiconductor
NOA1305 Ambient Light Sensor.

Originally written by Sergei Miroshnichenko. Found here:
  196d6cf897

Signed-off-by: Sergei M <fizik1@yandex.com>
Signed-off-by: Martyn Welch <martyn.welch@collabora.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2019-08-05 17:24:18 +01:00
Chuhong Yuan
a6513a878e iio: tsl2772: Use regulator_bulk_() APIs
Use regulator_bulk_() APIs to shrink driver size.

Signed-off-by: Chuhong Yuan <hslester96@gmail.com>
Reviewed-by: Brian Masney <masneyb@onstation.org>
Tested-by: Brian Masney <masneyb@onstation.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2019-08-05 16:33:21 +01:00
Chuhong Yuan
7e7f631c95 iio: tsl2772: Use devm_iio_device_register
Use devm_iio_device_register, which removes the tsl2772_remove
function.

Signed-off-by: Chuhong Yuan <hslester96@gmail.com>
Reviewed-by: Brian Masney <masneyb@onstation.org>
Tested-by: Brian Masney <masneyb@onstation.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2019-08-05 16:30:44 +01:00
Chuhong Yuan
338084135a iio: tsl2772: Use devm_add_action_or_reset for tsl2772_chip_off
Use devm_add_action_or_reset to call tsl2772_chip_off
when the device is removed.
This also fixes the issue that the chip is turned off
before the device is unregistered.

Not marked for stable as fairly hard to hit the bug and
this is in the middle of a set making other cleanups
to the driver.  Hence will probably need explicit backporting.

Signed-off-by: Chuhong Yuan <hslester96@gmail.com>
Fixes: c06c4d7935 ("staging: iio: tsl2x7x/tsl2772: move out of staging")
Reviewed-by: Brian Masney <masneyb@onstation.org>
Tested-by: Brian Masney <masneyb@onstation.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2019-08-05 16:28:29 +01:00
Chuhong Yuan
6b9ab1cf4b iio: tsl2772: Use devm_add_action_or_reset
Use devm_add_action_or_reset to remove the call to
tsl2772_disable_regulators_action to simplify the error path.

Signed-off-by: Chuhong Yuan <hslester96@gmail.com>
Reviewed-by: Brian Masney <masneyb@onstation.org>
Tested-by: Brian Masney <masneyb@onstation.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2019-08-05 16:23:47 +01:00
Chuhong Yuan
d3017f5fbb iio: light: si1145: Use device-managed APIs
Use device-managed APIs to simplify the code.
The remove functions are redundant now and can
be deleted.

Signed-off-by: Chuhong Yuan <hslester96@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2019-08-05 15:53:28 +01:00
Chuhong Yuan
dff38165a5 iio: light: cm3323: Use device-managed APIs
Use device-managed APIs to simplify the code.
The remove functions are redundant now and can
be deleted.

Signed-off-by: Chuhong Yuan <hslester96@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2019-08-05 14:54:15 +01:00
Fabien Lahoudere
ae7b02ad2f iio: common: cros_ec_sensors: Expose cros_ec_sensors frequency range via iio sysfs
Embedded controller return minimum and maximum frequencies, unfortunately
we have no way to know the step for all available frequencies.
Even if not complete, we can return a list of known values using the
standard read_avail callback (IIO_CHAN_INFO_SAMP_FREQ) to provide them to
userland.

Now cros_ec_* sensors provides frequencies values in sysfs like this:
"0 min max". 0 is always true to disable the sensor.

Default frequencies are provided for earlier protocol.

Signed-off-by: Nick Vaccaro <nvaccaro@chromium.org>
Signed-off-by: Fabien Lahoudere <fabien.lahoudere@collabora.com>
[rebased on top of iio/testing and solved conflicts]
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2019-07-27 23:15:08 +01:00
Wolfram Sang
48cfd4ef0d iio: light: veml6070: convert to i2c_new_dummy_device
Move from i2c_new_dummy() to i2c_new_dummy_device(), so we now get an
ERRPTR which we use in error handling.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2019-07-27 22:52:07 +01:00
Wolfram Sang
d96dbb3f1b iio: light: cm36651: convert to i2c_new_dummy_device
Move from i2c_new_dummy() to i2c_new_dummy_device(), so we now get an
ERRPTR which we use in error handling.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2019-07-27 22:52:07 +01:00
Gwendal Grignou
f53199c0bc iio: cros_ec: Remove replacing error code with -EIO
Due to an API misread, error code can be different for -EIO when reading
a sysfs entry. Return the error reported by the cros_ec stack.

Check the proper error message (protocol error, not supported) is
reported when there is an error returned by the EC stack.

Signed-off-by: Gwendal Grignou <gwendal@chromium.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2019-07-27 22:52:04 +01:00
Gwendal Grignou
ed1f2e85da iio: cros_ec: Add calibscale for 3d MEMS
Add calibration scale support to accel, gyro and magnetometer.

Check on eve with current firmware, check reading calibscale returns 1.0,
check with newer firmware values are applied.

Signed-off-by: Gwendal Grignou <gwendal@chromium.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2019-07-27 20:11:18 +01:00
Christophe JAILLET
50e5bae0c1 iio: light: apds9960: Fix a typo
s/ADPS9960/APDS9960/
(P and D switched)

Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2019-07-27 20:11:18 +01:00
Luca Weiss
c3a6860706 iio: light: stk3310: Add device tree support
Add device tree support for the stk33xx family of ambient light sensors.

Tested-by: Martijn Braam <martijn@brixit.nl>
Signed-off-by: Luca Weiss <luca@z3ntu.xyz>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2019-07-27 20:11:15 +01:00
Greg Kroah-Hartman
c55cc97a25 Second set of IIO device support, features, cleanups and minor fixes for 5.3.
A few bits for the counters subsystem mixed in here as well.
 There are some late breaking fixes as well, which aren't so urgent
 they can't wait for the merge window.
 
 New Device Support
 * adf4371
   - New driver + bindings.
   - Support the adf4372 PLL. Mostly ID and bindings.
 * ad8366 (note includes rework of driver needed to allow support for these).
   - Support the ADL5240 variable gain amplifier (VGA).
   - Support the ADA4961 digital gain amplifier (DGA).
 * dps310
   - New driver, in several parts from different authors for this temp
     and pressure sensor.
   - Includes errata workaround for a temperature reading issue.
 * stk3310
   - Support the stk3335, mostly ID.
 
 Features and cleanups
 * core
   - drop error handling on debugfs registration.
   - harden by making sure we don't overrun iio_chan_info_postfix.
 * docs
   - convert remaining docs to rst. At somepoint we'll fit these few
     into the main IIO docs.
   - improve sampling_frequency_available docs but explaining the
     range form.
 * ad_sigma_delta
   - Drop a pointless goto.
 * ad2s1210
   - Drop pointless platform data null check seeing as we don't actually
     use platform data anymore.
 * ad7124
   - Relax limitation on channel numbers to allow pseudo different channels.
   - Support control of whether the input is buffered via DT.
   - Use dynamic allocation for channel configuration to make it easier
     to support new devices.
   - YAML binding conversion.
 * ad7150
   - Comment tidy up.
   - Consistent and simple if (ret) handling of i2c errors.
   - FIELD_GET and GENMASK.
   - Ternary rather than !!(condition) for readability.
   - Use macros to avoid repetition of channel definitions.
 * ad7606
   - Add software channel config (rather that pin controlled)
   - Refactor to simplify addition of new part in future.
 * ad7746
   - of_deivce_id table.
 * ad7780
   - MAINTAINERS entry
   - YAML DT bindings.
 * ad8366
   - Stop using core mlock in favour of well scoped local lock.
   - SPDX + copyright date update.
 * ad9834
   - of_device_id table
 * adf4371
   - Add support for output stage muting before lock on has occured.
 * adis library
   - MAINTAINERS entry to reflect that this now Alexandru's problem ;)
 * adis162xx:
   - Fix a slightly incorrect set of comments and print statements on
     minimum supported voltage.
 * adis16203
   - of_device_id table.
 * adis16240
   - Add of_device_id table (in two parts as first patch only used it for
     MODULE_DEVICE_TABLE.)
 * adt7316-spi
   - of_device_id table
 * adxl372
   - YAML DT binding conversion.
   - Cleanup use of buffer callback functions (precursor to core rework).
 * bh1710
   - Simplify getting the i2c adapter from the client.
 * dht11
   - Mote to newer GPIO consumer interface.
 * kxcjk-1013.c
   - Add binding for sensor in display of some ultrabooks after userspace
     tools updated for it not be a problem to report two similar sensors.
 * imx7d
   - drop unused variables.
   - white space
   - define instead of variable for clock frequency that is fixed.
   - drop pointless error message.
 * messon_saradc
   - SPDX
 * sps30
   - MAINTAINERS entry
   - YAML binding conversion.
 * st_accel
   - Tidy up ordering in various buffer related callbacks. This is
     part of a long running effort to simplify the core code.
 * stm32-dfsdm:
   - Manage the resolution cleanly in triggerd modes.
   - Add fast mode support which allows more flexible filter choices.
   - Add a comment on the reason for a 16 bit record when technically
     not 'required'.
 * st_lsm6dsx
   - Embed device name in the sensor_settings struct as i3c doesn't
     have a convenient name field to use for this.
 * xilinx-adc
   - Relax constraints on supported platforms to reflect that this
     can used with FPGAs on PCIe cards and hence many architectures.
 * counters/ftm-quaddec
   - Fix some formatting io MODULE_AUTHOR
   - MAINTAINERS entry
 
 Fixes
 * tools
   - fix incorrect handling of 32 bit channels.
 * sca3000
   - Potential endian bug that is unlikely to bite anyone (be64 host
     seems unlikely for this old part).
 * stm32-adc
   - Add vdda-supply. On some boards it needs to be turned on to supply
     the ADC.  DT bindings included.
 * stm32-dfsdm
   - Fix output resolution to work with filter orders other than 3.
   - Fix output datatype as it's signed and previously claimed not to be.
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Merge tag 'iio-for-5.3b' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-next

Jonathan writes:

Second set of IIO device support, features, cleanups and minor fixes for 5.3.

A few bits for the counters subsystem mixed in here as well.
There are some late breaking fixes as well, which aren't so urgent
they can't wait for the merge window.

New Device Support
* adf4371
  - New driver + bindings.
  - Support the adf4372 PLL. Mostly ID and bindings.
* ad8366 (note includes rework of driver needed to allow support for these).
  - Support the ADL5240 variable gain amplifier (VGA).
  - Support the ADA4961 digital gain amplifier (DGA).
* dps310
  - New driver, in several parts from different authors for this temp
    and pressure sensor.
  - Includes errata workaround for a temperature reading issue.
* stk3310
  - Support the stk3335, mostly ID.

Features and cleanups
* core
  - drop error handling on debugfs registration.
  - harden by making sure we don't overrun iio_chan_info_postfix.
* docs
  - convert remaining docs to rst. At somepoint we'll fit these few
    into the main IIO docs.
  - improve sampling_frequency_available docs but explaining the
    range form.
* ad_sigma_delta
  - Drop a pointless goto.
* ad2s1210
  - Drop pointless platform data null check seeing as we don't actually
    use platform data anymore.
* ad7124
  - Relax limitation on channel numbers to allow pseudo different channels.
  - Support control of whether the input is buffered via DT.
  - Use dynamic allocation for channel configuration to make it easier
    to support new devices.
  - YAML binding conversion.
* ad7150
  - Comment tidy up.
  - Consistent and simple if (ret) handling of i2c errors.
  - FIELD_GET and GENMASK.
  - Ternary rather than !!(condition) for readability.
  - Use macros to avoid repetition of channel definitions.
* ad7606
  - Add software channel config (rather that pin controlled)
  - Refactor to simplify addition of new part in future.
* ad7746
  - of_deivce_id table.
* ad7780
  - MAINTAINERS entry
  - YAML DT bindings.
* ad8366
  - Stop using core mlock in favour of well scoped local lock.
  - SPDX + copyright date update.
* ad9834
  - of_device_id table
* adf4371
  - Add support for output stage muting before lock on has occured.
* adis library
  - MAINTAINERS entry to reflect that this now Alexandru's problem ;)
* adis162xx:
  - Fix a slightly incorrect set of comments and print statements on
    minimum supported voltage.
* adis16203
  - of_device_id table.
* adis16240
  - Add of_device_id table (in two parts as first patch only used it for
    MODULE_DEVICE_TABLE.)
* adt7316-spi
  - of_device_id table
* adxl372
  - YAML DT binding conversion.
  - Cleanup use of buffer callback functions (precursor to core rework).
* bh1710
  - Simplify getting the i2c adapter from the client.
* dht11
  - Mote to newer GPIO consumer interface.
* kxcjk-1013.c
  - Add binding for sensor in display of some ultrabooks after userspace
    tools updated for it not be a problem to report two similar sensors.
* imx7d
  - drop unused variables.
  - white space
  - define instead of variable for clock frequency that is fixed.
  - drop pointless error message.
* messon_saradc
  - SPDX
* sps30
  - MAINTAINERS entry
  - YAML binding conversion.
* st_accel
  - Tidy up ordering in various buffer related callbacks. This is
    part of a long running effort to simplify the core code.
* stm32-dfsdm:
  - Manage the resolution cleanly in triggerd modes.
  - Add fast mode support which allows more flexible filter choices.
  - Add a comment on the reason for a 16 bit record when technically
    not 'required'.
* st_lsm6dsx
  - Embed device name in the sensor_settings struct as i3c doesn't
    have a convenient name field to use for this.
* xilinx-adc
  - Relax constraints on supported platforms to reflect that this
    can used with FPGAs on PCIe cards and hence many architectures.
* counters/ftm-quaddec
  - Fix some formatting io MODULE_AUTHOR
  - MAINTAINERS entry

Fixes
* tools
  - fix incorrect handling of 32 bit channels.
* sca3000
  - Potential endian bug that is unlikely to bite anyone (be64 host
    seems unlikely for this old part).
* stm32-adc
  - Add vdda-supply. On some boards it needs to be turned on to supply
    the ADC.  DT bindings included.
* stm32-dfsdm
  - Fix output resolution to work with filter orders other than 3.
  - Fix output datatype as it's signed and previously claimed not to be.

* tag 'iio-for-5.3b' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio: (68 commits)
  iio: iio-utils: Fix possible incorrect mask calculation
  iio: frequency: adf4371: Add support for output stage mute
  dt-bindings: iio: frequency: Add ADF4372 PLL documentation
  iio: frequency: adf4371: Add support for ADF4372 PLL
  dt-bindings: iio: adc: Add buffered input property
  Convert AD7124 bindings documentation to YAML format.
  iio: adc: ad7124: Shift to dynamic allocation for channel configuration
  iio: adc: ad7124: Add buffered input support
  iio: adc: ad7124: Remove input number limitation
  MAINTAINERS: add ADIS IMU driver library entry
  iio: adis162xx: fix low-power docs & reports
  counter/ftm-quaddec: Add missing '>' in MODULE_AUTHOR
  iio: core: no need to check return value of debugfs_create functions
  docs: iio: convert to ReST
  iio: adc: stm32-adc: add missing vdda-supply
  dt-bindings: iio: adc: stm32: add missing vdda supply
  iio: adc: stm32-dfsdm: add comment for 16 bits record
  iio: adc: stm32-dfsdm: add fast mode support
  iio: adc: stm32-dfsdm: manage data resolution in trigger mode
  iio: adc: stm32-dfsdm: fix data type
  ...
2019-07-01 10:58:13 +02:00
Thomas Gleixner
d2912cb15b treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
Based on 2 normalized pattern(s):

  this program is free software you can redistribute it and or modify
  it under the terms of the gnu general public license version 2 as
  published by the free software foundation

  this program is free software you can redistribute it and or modify
  it under the terms of the gnu general public license version 2 as
  published by the free software foundation #

extracted by the scancode license scanner the SPDX license identifier

  GPL-2.0-only

has been chosen to replace the boilerplate/reference in 4122 file(s).

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Enrico Weigelt <info@metux.net>
Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org>
Reviewed-by: Allison Randal <allison@lohutok.net>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190604081206.933168790@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-06-19 17:09:55 +02:00
Thomas Gleixner
0a151468f9 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 488
Based on 1 normalized pattern(s):

  this program is free software you can redistribute it and or modify
  it under the terms of the gnu general public license version 2 as
  published by the free software foundation this program is
  distributed in the hope it will be useful but without any warranty
  without even the implied warranty of merchantability or fitness for
  a particular purpose see the gnu general public license for more
  details

extracted by the scancode license scanner the SPDX license identifier

  GPL-2.0-only

has been chosen to replace the boilerplate/reference in 1 file(s).

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Enrico Weigelt <info@metux.net>
Reviewed-by: Allison Randal <allison@lohutok.net>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190604081205.379537898@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-06-19 17:09:52 +02:00
Martijn Braam
677f16813a iio: light: stk3310: Add support for stk3335
The stk3335 light/proximity sensor is similar to the stk3310 and stk3311
sensors and works with the stk3310 driver.

Signed-off-by: Martijn Braam <martijn@brixit.nl>
Signed-off-by: Luca Weiss <luca@z3ntu.xyz>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2019-06-17 21:06:44 +01:00
Wolfram Sang
aa70932992 iio: light: bh1780: simplify getting the adapter of a client
We have a dedicated pointer for that, so use it. Much easier to read and
less computation involved.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2019-06-17 21:06:43 +01:00