2
0
mirror of https://github.com/edk2-porting/linux-next.git synced 2024-12-23 20:53:53 +08:00
Commit Graph

464 Commits

Author SHA1 Message Date
Hans de Goede
3bf4a59c48 iio: light: cm32181: Add some extra register defines
These come from a newer version of cm32181.c, which is floating around
the net, with a copyright of:

 * Copyright (C) 2014 Capella Microsystems Inc.
 * Author: Kevin Tsai <ktsai@capellamicro.com>
 *
 * 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.

Note that this removes the bogus CM32181_CMD_ALS_ENABLE define, there
is no enable bit, only a disable bit and enabled is the absence of
being disabled.

This is a preparation patch for adding support for the older
CM3218 model of the light sensor.

Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2020-05-10 10:39:00 +01:00
Hans de Goede
44b9409c98 iio: light: cm32181: Add support for ACPI enumeration
Add support for ACPI enumeration, this has been tested on a HP
HP Pavilion x2 Detachable 10 (Bay Trail model).

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2020-05-10 10:38:40 +01:00
Hans de Goede
067704540d iio: light: cm32181: Switch to new style i2c-driver probe function
Switch to the new style i2c-driver probe_new probe function and drop the
unnecessary i2c_device_id table (we do not have any old style board files
using this).

This is a preparation patch for adding ACPI binding support.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2020-05-10 10:35:28 +01:00
Alexandru Ardelean
067fda1c06 iio: hid-sensors: move triggered buffer setup into hid_sensor_setup_trigger
The main intent here is to get rid of the iio_buffer_set_attrs() helper, or
at least rework it's usage a bit.
The problem with that helper is that it needs a pointer to the buffer,
which makes supporting multiple buffers per IIO device a bit more
cumbersome.

The hid_sensor_setup_trigger() is pretty much used in the same way:
- iio_triggered_buffer_setup() gets called before
- then hid_sensor_setup_trigger() and hid_sensor_setup_batch_mode() gets
  called which may attach some fifo attributes

This change merges the 2 together under the hid_sensor_setup_trigger()
function. Only the &iio_pollfunc_store_time is passed to all devices, so
it's not even required to pass it explicitly outside of the common
hid_sensor_setup_trigger() function.

Moving the devm_iio_triggered_buffer_setup/cleanup() calls into the common
place code can help the rework of the buffer code, since it is in one
place.

One detail of the change is that there are 2 drivers that use
devm_iio_triggered_buffer_setup(). That function gets implicitly
replaced with iio_triggered_buffer_setup()/cleanup(), but since all drivers
call both hid_sensor_setup_trigger9) & hid_sensor_remove_trigger() trigger,
the iio_triggered_buffer_cleanup() piggy backs on the
hid_sensor_remove_trigger() call, which should cover the cleanup.

Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Acked-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2020-05-10 09:35:53 +01:00
Mathieu Othacehe
8fe78d5261 iio: vcnl4000: Add buffer support for VCNL4010/20.
The VCNL4010 and VCNL4020 chips are able to raise interrupts on data ready.
Use it to provide triggered buffer support for proximity data.

Those two chips also provide ambient light data. However, they are sampled
at different rate than proximity data. As this is not handled by the IIO
framework for now, and the sample frequencies of ambient light data are
very low, do add buffer support for them.

Signed-off-by: Mathieu Othacehe <m.othacehe@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2020-05-03 14:53:57 +01:00
Mathieu Othacehe
f6889c1b00 iio: vcnl4000: Add sampling frequency support for VCNL4010/20.
Add sampling frequency support for proximity data on VCNL4010 and VCNL4020
chips.

Signed-off-by: Mathieu Othacehe <m.othacehe@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2020-05-03 14:53:03 +01:00
Mathieu Othacehe
d35567fcaf iio: vcnl4000: Add event support for VCNL4010/20.
The VCNL4010 and VCNL4020 chips are able to raise interrupts on proximity
threshold events. Add support for threshold rising and falling events for
those two chips.

Signed-off-by: Mathieu Othacehe <m.othacehe@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2020-05-03 14:51:50 +01:00
Mathieu Othacehe
816956c32d iio: vcnl4000: Factorize data reading and writing.
Factorize data reading in vcnl4000_measure into a vcnl4000_read_data
function. Also add a vcnl4000_write_data function.

Signed-off-by: Mathieu Othacehe <m.othacehe@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2020-05-03 14:49:48 +01:00
Mathieu Othacehe
18dfb53263 iio: vcnl4000: Fix i2c swapped word reading.
The bytes returned by the i2c reading need to be swapped
unconditionally. Otherwise, on be16 platforms, an incorrect value will be
returned.

Taking the slow path via next merge window as its been around a while
and we have a patch set dependent on this which would be held up.

Fixes: 62a1efb9f8 ("iio: add vcnl4000 combined ALS and proximity sensor")
Signed-off-by: Mathieu Othacehe <m.othacehe@gmail.com>
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2020-05-03 14:48:02 +01:00
Andy Shevchenko
d2fa63d2d1 iio: light: zopt2201: Use get_unaligned_le24()
This makes the driver code slightly easier to read.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2020-05-03 09:47:19 +01:00
Andy Shevchenko
76170adb65 iio: light: si1133: Use get_unaligned_be24()
This makes the driver code slightly easier to read.

Cc: Maxime Roussin-Bélanger <maxime.roussinbelanger@gmail.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2020-05-03 09:47:19 +01:00
Jonathan Cameron
77baa8d6bc iio: light: vl6180: add include of mod_devicetable.h and drop of_match_ptr
Enables probing via ACPI PRP0001 route and removes an example of
an approach we no longer want people to copy.

Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
2020-04-25 15:46:20 +01:00
Jonathan Cameron
645aee51af iio: light: st_uvis25: Add mod_devicetable.h and drop of_match_ptr
Enables probing via ACPI PRP0001 and removes an example that we don't
want people to cut and paste into new drivers.

Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
2020-04-25 15:44:36 +01:00
Jonathan Cameron
0741678ece iio: light: opt3001: Add mod_devicetable.h and drop use of of_match_ptr
Enables probing via ACPI PRP0001 but mostly about removing examples
that might be copied to new drivers.

Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
2020-04-25 15:43:30 +01:00
Jonathan Cameron
de1cbfe117 iio: light: gp2ap020a00f: Swap of.h for mod_devicetable.h + drop of_match_ptr
Also drops ifdef protections for CONFIG_OF.

Enables probing via ACPI PRP0001 and removes an example that might be
cut and paste into new drivers.

Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
2020-04-25 15:42:22 +01:00
Jonathan Cameron
1de94b5945 iio: light: cm3232: Add mod_devicetable.h include and drop of_match_ptr
Enables ACPI probing via PRP0001 and removes an example that might
be cut and paste to a new driver.

Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
2020-04-25 15:40:00 +01:00
Jonathan Cameron
9065b78028 iio: light: cm32181: Add mod_devicetable.h and remove of_match_ptr
Enables probing via the ACPI PRP0001 route but more is mosty about
removing examples of this that might get copied into new drivers.

Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
2020-04-25 15:39:48 +01:00
Jonathan Cameron
f73a047456 iio: light: bh1780: use mod_devicetable.h and drop of_match_ptr macro
Whilst this enables ACPI binding or the device via PRP0001 the
primary aim is to remove potential for these two things to be
cut and paste into new drivers.

Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
2020-04-25 15:37:04 +01:00
Greg Kroah-Hartman
4e1d96306d First set of new IIO device support, features and cleanup for the 5.8 cycle
Usual mix of new drivers, new support in old drivers and lots of minor
 cleanup. Yaml conversions also continue to trickle in (plenty more to go!)
 
 New device support
 * ad7476
   - Add ad7091 support (ID only)
 * ad9467
   - New driver for this 200/250 MSPS adi-axi-adc and SPI attached ADC.
 * adi-axi-adc
   - New driver to support ADIs generic AXI ADC IP core, used to provide
     high speed interfaces to ADCs (JESD204B/C or parallel interfaces). Usually
     paired with a device using a slow configuration interface (spi etc)
     Includes DT bindings and some fixes for fpga headers.
 * bmg160
   - Add support for BMI088 (ID only)
 * max1241
   - New driver for this ADC.
 * st_sensors
   - Add support for LIS2HH12 accelerometer
 * sx9310
   - New driver supporting sx9310 and sx9311 proximity sensors.
 
 Yaml DT binding conversions
 * rockchip-saradc (including adding some missing parts)
 * stm32-dac
 * tsl2563
 * vcnl4000
 
 Features
 * st_lsm6dsx
   - Add LIS3MDL as a possible sensor hub device.
 * vcnl4000
   - Add new concept of near level (from DT) to provide to userspace which
     often needs to have some calibrated concept of 'near'.
 
 Cleanups, minor fixes etc.
 * core
   - Use snprintf for functions where strings are built and there is
     potential for overflow.
   - Correct docs to indicate mlock should not be used directly by drivers.
   - Fix up accidental dropping of a patch to use bitmap_zalloc.
   - Stop allowing enabling of buffers with no channels enabled.
   - Drop unused 'stufftoread' from iio_buffer.
   - Drop scan_el_attrs form iio_buffer as unused.
   - Reorder sanity checks in __iio_device_register to fail earlier.
   - Drop all the devm_ runregister / free functions from IIO as they
     were never used and encourage poor design.
 * dma-buffer
   - Tidy up includes.
 * dma-engine-buffer
   - Provide dev-managed allocator.
   - Fix an issue with printing a size_t
 * cross subsystem (kxsd9, bmg160, mpu3050, bmi160, mpu6050, bmc150)
   - Replace some unnecessary casts of error ptrs and whilst there.
     use the %pe printf parameter to print them in a more useful fashion.
 * cross subsystem
   - Drop casts in calls to regmap_bulk_read as they make no sense.
   - Use devm_platform_ioremap_resource to reduce boilerplate.
   - Fix typos in Analog Devices.
 * counters/104-quad
   - Add Syed Nayyar Waris as an additional maintainer.
 * ad7476
   - Generate CONVST signal internally rather than requiring external
     trigger.  Add sysfs read back as can now do so.
   - use devm_add_action_or_reset to tidy up error and remove handling.
 * ad7793
   - Switch to read_avail from explicit attribute. Mostly done to avoid
     confusing people with a - sign (without surounding spaces) that
     was correct but checkpatch didn't like.
 * adis library
   - Add missing newlines at end of error messages.
 * adis16400
   - Use DEFINE_DEBUGS_ATTRIBUTE rather than DEFINE_SIMPLE_ATTR.
 * adis16460
   - Use DEFINE_DEBUGS_ATTRIBUTE rather than DEFINE_SIMPLE_ATTR.
 * ad_sigma_delta
   - Move some channel definitions into individual drivers to avoid
     having to deal with complex options.
 * ak8974
   - Silence an error on deffered probe.
 * bmp280
   - Harden against IRQ before registration.
   - Convert to read_avail instead of opencoding the equivalent.
   - Explicitly mark GPIO as optional.
   - Cleanup casts.
   - Remove line breaks from strings.
 * htts221
   - Replace direct access to platform_data with dev_get_platdata().
   - Use device properties rather than device tree ones to allow ACPI
     probing.
   - Casting cleanups.
 * intel_mrfld_adc
   - Don't use unaligned accessor for aligned data.
 * isl29125
   - Reorder buer pre and post hooks to allow for coming core rework.
 * ltc2983
   - Remove comp to bool.
 * max1363
   - Stop using mlock from the iio_dev directly in favour of a local lock
     with clearly defined scope.
 * max30100
   - Use generic device properties to allow ACPI probe.
 * mpu6050
   - Convert to i2c_new_client_device.
   - Add debugfs register access.
 * st_lsm6dsx
   - Provide means of configuring full scale on slave device if supported.
   - Drop include of st_sensors header to get one value. Its not otherwise
     used by this driver.
 * st-sensors
   - Replace direct access to platform_data with dev_get_platdata().
   - Casting cleanups.
   - Avoid splitting strings.
 * st_uvis25
   - Casting cleanups.
 * tsl2563
   - Typo fix.
 * tsl2772
   - scnprintf in a non obvious string building usecase. Note also 'fixes'
     a wrong calculation of remaining space that couldn't actually cause
     any trouble as there was lots of room.
 * xilinx-xadc
   - Fix Lars-Peter spelling his own name wrong :) + additional typos.
 -----BEGIN PGP SIGNATURE-----
 
 iQJFBAABCAAvFiEEbilms4eEBlKRJoGxVIU0mcT0FogFAl6gicARHGppYzIzQGtl
 cm5lbC5vcmcACgkQVIU0mcT0Foj3ig//XRAAHRSfzXFpvYxITVKDIGwP/giYdp91
 OflGw/0aOZFExr72ENLmCArXZPOT2qAZyNNoDNvuJ9SkcVDf4bT3w9gYwWtJ1sd7
 Hhh+1JpPspSo6vS85FMjm37UDfSbmYqB6wC57cZ5pKQIiJwi6W2hGsyOoOXmfLLc
 57d3mlg4g3KLl9Hl4UTU84gE1ushKQgNxVH21Y71pOTa8p+xbWWcspWjR2Jf+kVZ
 qPr2+2rP/AjeAVLu9SKfdBiczYQCNR3uFWKkOKsBE9fq3sbcN6NT5DktrSJUH+qU
 zfUGmShCEP908/9fARazXQZcTOX1tIUOnrpHG9l54GNPh3S2Qk9xGaZxvQy5sguC
 AmC4p+MaIMrMcgWMk9po+nE5INJq7HBV/0jnADG307wEhFrKrjh/2PtP4f9k/Mcv
 sHB7K1+dcJAUwFb5gccdDBfmKMnwfnGS8OFGLXZZKBIDqSvptmIs/pmavjEPgqhV
 GwGTDPyZKeyDnyhTXGafxii03Q2I62Zte5l4jcZ+q8Q4UMxQovEkX6IvUpXwA0Kk
 eoxedbgdvzxrDNiNrXa0k6CLzqSQW+aVHgJG+HEig4IXQse8zXb11HCs35zq5r4j
 JI2UjLk3zUHLiNR/Ir9fKAbPwWSWv3IWkfmFEEUWvUFjM+Xot1Hg+61vBTFKo4iK
 EIqqPZmd5Mk=
 =DyTF
 -----END PGP SIGNATURE-----

Merge tag 'iio-for-5.8a' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-next

Jonathan writes:

First set of new IIO device support, features and cleanup for the 5.8 cycle

Usual mix of new drivers, new support in old drivers and lots of minor
cleanup. Yaml conversions also continue to trickle in (plenty more to go!)

New device support
* ad7476
  - Add ad7091 support (ID only)
* ad9467
  - New driver for this 200/250 MSPS adi-axi-adc and SPI attached ADC.
* adi-axi-adc
  - New driver to support ADIs generic AXI ADC IP core, used to provide
    high speed interfaces to ADCs (JESD204B/C or parallel interfaces). Usually
    paired with a device using a slow configuration interface (spi etc)
    Includes DT bindings and some fixes for fpga headers.
* bmg160
  - Add support for BMI088 (ID only)
* max1241
  - New driver for this ADC.
* st_sensors
  - Add support for LIS2HH12 accelerometer
* sx9310
  - New driver supporting sx9310 and sx9311 proximity sensors.

Yaml DT binding conversions
* rockchip-saradc (including adding some missing parts)
* stm32-dac
* tsl2563
* vcnl4000

Features
* st_lsm6dsx
  - Add LIS3MDL as a possible sensor hub device.
* vcnl4000
  - Add new concept of near level (from DT) to provide to userspace which
    often needs to have some calibrated concept of 'near'.

Cleanups, minor fixes etc.
* core
  - Use snprintf for functions where strings are built and there is
    potential for overflow.
  - Correct docs to indicate mlock should not be used directly by drivers.
  - Fix up accidental dropping of a patch to use bitmap_zalloc.
  - Stop allowing enabling of buffers with no channels enabled.
  - Drop unused 'stufftoread' from iio_buffer.
  - Drop scan_el_attrs form iio_buffer as unused.
  - Reorder sanity checks in __iio_device_register to fail earlier.
  - Drop all the devm_ runregister / free functions from IIO as they
    were never used and encourage poor design.
* dma-buffer
  - Tidy up includes.
* dma-engine-buffer
  - Provide dev-managed allocator.
  - Fix an issue with printing a size_t
* cross subsystem (kxsd9, bmg160, mpu3050, bmi160, mpu6050, bmc150)
  - Replace some unnecessary casts of error ptrs and whilst there.
    use the %pe printf parameter to print them in a more useful fashion.
* cross subsystem
  - Drop casts in calls to regmap_bulk_read as they make no sense.
  - Use devm_platform_ioremap_resource to reduce boilerplate.
  - Fix typos in Analog Devices.
* counters/104-quad
  - Add Syed Nayyar Waris as an additional maintainer.
* ad7476
  - Generate CONVST signal internally rather than requiring external
    trigger.  Add sysfs read back as can now do so.
  - use devm_add_action_or_reset to tidy up error and remove handling.
* ad7793
  - Switch to read_avail from explicit attribute. Mostly done to avoid
    confusing people with a - sign (without surounding spaces) that
    was correct but checkpatch didn't like.
* adis library
  - Add missing newlines at end of error messages.
* adis16400
  - Use DEFINE_DEBUGS_ATTRIBUTE rather than DEFINE_SIMPLE_ATTR.
* adis16460
  - Use DEFINE_DEBUGS_ATTRIBUTE rather than DEFINE_SIMPLE_ATTR.
* ad_sigma_delta
  - Move some channel definitions into individual drivers to avoid
    having to deal with complex options.
* ak8974
  - Silence an error on deffered probe.
* bmp280
  - Harden against IRQ before registration.
  - Convert to read_avail instead of opencoding the equivalent.
  - Explicitly mark GPIO as optional.
  - Cleanup casts.
  - Remove line breaks from strings.
* htts221
  - Replace direct access to platform_data with dev_get_platdata().
  - Use device properties rather than device tree ones to allow ACPI
    probing.
  - Casting cleanups.
* intel_mrfld_adc
  - Don't use unaligned accessor for aligned data.
* isl29125
  - Reorder buer pre and post hooks to allow for coming core rework.
* ltc2983
  - Remove comp to bool.
* max1363
  - Stop using mlock from the iio_dev directly in favour of a local lock
    with clearly defined scope.
* max30100
  - Use generic device properties to allow ACPI probe.
* mpu6050
  - Convert to i2c_new_client_device.
  - Add debugfs register access.
* st_lsm6dsx
  - Provide means of configuring full scale on slave device if supported.
  - Drop include of st_sensors header to get one value. Its not otherwise
    used by this driver.
* st-sensors
  - Replace direct access to platform_data with dev_get_platdata().
  - Casting cleanups.
  - Avoid splitting strings.
* st_uvis25
  - Casting cleanups.
* tsl2563
  - Typo fix.
* tsl2772
  - scnprintf in a non obvious string building usecase. Note also 'fixes'
    a wrong calculation of remaining space that couldn't actually cause
    any trouble as there was lots of room.
* xilinx-xadc
  - Fix Lars-Peter spelling his own name wrong :) + additional typos.

* tag 'iio-for-5.8a' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio: (101 commits)
  iio: magnetometer: ak8974: Silence deferred-probe error
  Documentation: ABI: document IIO in_proximity_nearlevel file
  iio: vcnl4000: Export near level property for proximity sensor
  dt-bindings: iio: light: vcnl4000: Add proximity-near-level
  dt-bindings: iio: Introduce common properties for iio sensors
  dt-bindings: iio: vcnl4000: convert bindings to YAML format
  iio: Fix misspellings of "Analog Devices"
  iio: light: isl29125: fix iio_triggered_buffer_{predisable,postenable} positions
  iio: adc: fsl-imx25-gcq: Use devm_platform_ioremap_resource
  iio: adc: at91-adc: Use devm_platform_ioremap_resource
  iio: adc: sun4i-gpadc-iio: Use devm_platform_ioremap_resource
  iio:light:ltr501: Drop unnecessary cast of parameter in regmap_bulk_read
  iio:magn:mmc35240: Drop unnecessary casts of val parameter in regmap_bulk*
  iio:imu:mpu6050: Tidy up parameters to regmap_bulk functions.
  iio:chemical:bme680: Tidy up parameters to regmap_bulk_read
  iio:chemical:atlas-sensor: Drop unnecessary explicit casts in regmap_bulk_read calls
  iio:accel:mxc4005: Drop unnecessary explicit casts in regmap_bulk_read calls
  iio: imu: st_lsm6dsx: drop huge include in sensor-hub driver
  iio: buffer: drop devm_iio_kfifo_free() API call
  iio: buffer: drop devm_iio_hw_consumer_free() API call
  ...
2020-04-23 11:06:48 +02:00
Guido Günther
f5a98e1fca iio: vcnl4000: Export near level property for proximity sensor
When an object can be considered close to the sensor is hardware
dependent. Allowing to configure the property via device tree
allows to configure this device specific value.

This is useful for e.g. iio-sensor-proxy to indicate to userspace
if an object is close to the sensor.

Signed-off-by: Guido Günther <agx@sigxcpu.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2020-04-19 16:56:43 +01:00
Alexandru Ardelean
9b7a12c3e0 iio: light: isl29125: fix iio_triggered_buffer_{predisable,postenable} 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.

This change reworks the predisable/postenable hooks so that the pollfunc is
attached/detached in the correct position.
It also balances the calls a bit, by grouping the preenable and the
iio_triggered_buffer_postenable() into a single
isl29125_buffer_postenable() function.

Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2020-04-19 16:56:41 +01:00
Jonathan Cameron
5372e1e5b4 iio:light:ltr501: Drop unnecessary cast of parameter in regmap_bulk_read
This only occurs once in the driver and isn't needed in this case either,
so drop it.

Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
2020-04-19 16:56:40 +01:00
Takashi Iwai
3dee042628 iio: tsl2772: Use scnprintf() for avoiding potential buffer overflow
snprintf() is a hard-to-use function, it's especially difficult to use
it for concatenating substrings in a buffer with a limited size.
Since snprintf() returns the would-be-output size, not the actual
size, the subsequent use of snprintf() may go beyond the given limit
easily.  Although the current code doesn't actually overflow the
buffer, it's an incorrect usage.

This patch replaces such snprintf() calls with a safer version,
scnprintf().

Also this fixes the incorrect argument of the buffer limit size passed
to snprintf(), too.  The size has to be decremented for the remaining
length.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Reviewed-by: Brian Masney <masneyb@onstation.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2020-04-19 16:56:14 +01:00
Linus Torvalds
413a103cf6 chrome platform changes for 5.7
* cros-usbpd-notify and cros_ec_typec
 - Add a new notification driver that handles and dispatches USB PD
  related events to other drivers.
 - Add a Type C connector class driver for cros_ec
 
 * CrOS EC
 - Introduce a new cros_ec_cmd_xfer_status helper
 
 * Sensors/iio:
 - A series from Gwendal that adds Cros EC sensor hub FIFO support
 
 * Wilco EC
 - Fix a build warning.
 - Platform data shouldn't include kernel.h
 
 * Misc
 - i2c api conversion complete, with i2c_new_client_device instead of
  i2c_new_device in chromeos_laptop.
 - Replace zero-length array with flexible-array member in cros_ec_chardev
  and wilco_ec
 - Update new structure for SPI transfer delays in cros_ec_spi
 -----BEGIN PGP SIGNATURE-----
 
 iHUEABYKAB0WIQQCtZK6p/AktxXfkOlzbaomhzOwwgUCXo1lfQAKCRBzbaomhzOw
 wo6TAQCKHOcrqq5Y9HYXs1QBx8e/0vVwe5Jh76Qi6hUVqXu56QEA65lBZ2ni8Udp
 f6jQDFkaeYaF2tkghvuNoAkFRI6/rAk=
 =j4Tt
 -----END PGP SIGNATURE-----

Merge tag 'tag-chrome-platform-for-v5.7' of git://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux

Pull chrome platform updates from Benson Leung:

  cros-usbpd-notify and cros_ec_typec:
   - Add a new notification driver that handles and dispatches USB PD
     related events to other drivers.
   - Add a Type C connector class driver for cros_ec

  CrOS EC:
   - Introduce a new cros_ec_cmd_xfer_status helper

  Sensors/iio:
   - A series from Gwendal that adds Cros EC sensor hub FIFO support

  Wilco EC:
   - Fix a build warning.
   - Platform data shouldn't include kernel.h

  Misc:
   - i2c api conversion complete, with i2c_new_client_device instead of
     i2c_new_device in chromeos_laptop.
   - Replace zero-length array with flexible-array member in
     cros_ec_chardev and wilco_ec
   - Update new structure for SPI transfer delays in cros_ec_spi

* tag 'tag-chrome-platform-for-v5.7' of git://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux: (34 commits)
  platform/chrome: cros_ec_spi: Wait for USECS, not NSECS
  iio: cros_ec: Use Hertz as unit for sampling frequency
  iio: cros_ec: Report hwfifo_watermark_max
  iio: cros_ec: Expose hwfifo_timeout
  iio: cros_ec: Remove pm function
  iio: cros_ec: Register to cros_ec_sensorhub when EC supports FIFO
  iio: expose iio_device_set_clock
  iio: cros_ec: Move function description to .c file
  platform/chrome: cros_ec_sensorhub: Add median filter
  platform/chrome: cros_ec_sensorhub: Add code to spread timestmap
  platform/chrome: cros_ec_sensorhub: Add FIFO support
  platform/chrome: cros_ec_sensorhub: Add the number of sensors in sensorhub
  platform/chrome: chromeos_laptop: make I2C API conversion complete
  platform/chrome: wilco_ec: event: Replace zero-length array with flexible-array member
  platform/chrome: cros_ec_chardev: Replace zero-length array with flexible-array member
  platform/chrome: cros_ec_typec: Update port info from EC
  platform/chrome: Add Type C connector class driver
  platform/chrome: cros_usbpd_notify: Pull PD_HOST_EVENT status
  platform/chrome: cros_usbpd_notify: Amend ACPI driver to plat
  platform/chrome: cros_usbpd_notify: Add driver data struct
  ...
2020-04-08 21:25:49 -07:00
Linus Torvalds
8645f09bad - New Drivers
- Add support for IQS620A/621/622/624/625 Azoteq IQS62X Sensors
 
  - New Device Support
    - Add support for ADC, IRQ, Regulator, RTC and WDT to Ricoh RN5T618 PMIC
    - Add support for Comet Lake to Intel LPSS
 
  - New Functionality
    - Add support for Charger Detection to Spreadtrum SC27xx PMICs
    - Add support for Interrupt Polarity to Dialog Semi DA9062/61 PMIC
    - Add ACPI enumeration support to Diolan DLN2 USB Adaptor
 
  - Fix-ups
    - Device Tree; iqs62x, rn5t618, cros_ec_dev, stm32-lptimer, rohm,bd71837, rohm,bd71847
    - I2C registration; rn5t618
    - Kconfig; MFD_CPCAP, AB8500_CORE, MFD_WM8994, MFD_WM97xx, MFD_STPMIC1
    - Use flexible-array members; omap-usb-tll, qcom-pm8xxx
    - Remove unnecessary casts; omap-usb-host, omap-usb-tll
    - Power (suspend/resume/poweroff) enhancements; rk808
    - Improve error/sanity checking; dln2
    - Use snprintf(); aat2870-core
 
  - Bug Fixes
    - Fix PCI IDs; intel-lpss-pci
 -----BEGIN PGP SIGNATURE-----
 
 iQIzBAABCgAdFiEEdrbJNaO+IJqU8IdIUa+KL4f8d2EFAl6MSwsACgkQUa+KL4f8
 d2GklhAAk1e0tYu1w4yS0IE40mReDk5ycOE1O8Q75qWw5Af2dK48qvSHGDwaU4ES
 WNYZ3Mr/OUrvd+/XU8EXI6NXAi9W75ye2J2KmmDDL6yXnDuHbzBZF8ifEtXQKSOp
 rElzCJVnXehpjSfwa4cp5f1Msox/rFg1Kpmaas48j8U2JYCmn51GsQCCG6qMIx2i
 0ZvXNZuz+eTY3V7l6pRLfTYqwR8E5Y11ryWJaeliyDcVpUlZaykiXuxD7pbqLjJo
 8v9ISm67rzf6X5zmi6YhdvpIAzpomdRaaxHfVDkeCKqDgpuWGiq0xXA86vDKwjah
 qVx6rK/wg4YM5uSEomxIgVj9uvvLSytDqvRlPe7vFKgkR0Xhl5SdkiwadI4P9zkr
 zrRGNRAUHsZ4ZrlObD0QJWOQYnIg5oCmRouRKcHtQVZYP3rSdRz/1oC6FN8LVqUw
 3NfLB/S6uBCJ3uahckrgnjQughnvmsAzlflcNV2t+P8di8Cwyh2A5N9qkT/oI67o
 Xf7NODSdu0JzzTgsM+EJ2JphSLMYaekWs06qAXyibPrrS2SoThE79igCmNOkyyR7
 obJfN2SM5k4LkhMGlYbPfbRT2Hoa+9OJozBe3WgiW3kwTdFVB9aen2U230tHplbB
 g/NuVS+PrReR5lfzT+O8dodH7lj5/GhmGsapdguFVhXYIE+2CMg=
 =hJ2o
 -----END PGP SIGNATURE-----

Merge tag 'mfd-next-5.7' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd

Pull mfd updates from Lee Jones:
 "New Drivers:
   - Add support for IQS620A/621/622/624/625 Azoteq IQS62X Sensors

  New Device Support:
   - Add support for ADC, IRQ, Regulator, RTC and WDT to Ricoh RN5T618 PMIC
   - Add support for Comet Lake to Intel LPSS

  New Functionality:
   - Add support for Charger Detection to Spreadtrum SC27xx PMICs
   - Add support for Interrupt Polarity to Dialog Semi DA9062/61 PMIC
   - Add ACPI enumeration support to Diolan DLN2 USB Adaptor

  Fix-ups:
   - Device Tree; iqs62x, rn5t618, cros_ec_dev, stm32-lptimer, rohm,bd71837, rohm,bd71847
   - I2C registration; rn5t618
   - Kconfig; MFD_CPCAP, AB8500_CORE, MFD_WM8994, MFD_WM97xx, MFD_STPMIC1
   - Use flexible-array members; omap-usb-tll, qcom-pm8xxx
   - Remove unnecessary casts; omap-usb-host, omap-usb-tll
   - Power (suspend/resume/poweroff) enhancements; rk808
   - Improve error/sanity checking; dln2
   - Use snprintf(); aat2870-core

  Bug Fixes:
   - Fix PCI IDs in intel-lpss-pci"

* tag 'mfd-next-5.7' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (33 commits)
  mfd: intel-lpss: Fix Intel Elkhart Lake LPSS I2C input clock
  mfd: aat2870: Use scnprintf() for avoiding potential buffer overflow
  mfd: dln2: Allow to be enumerated via ACPI
  mfd: da9062: Add support for interrupt polarity defined in device tree
  dt-bindings: bd718x7: Yamlify and add BD71850
  mfd: dln2: Fix sanity checking for endpoints
  mfd: intel-lpss: Add Intel Comet Lake PCH-V PCI IDs
  mfd: sc27xx: Add USB charger type detection support
  dt-bindings: mfd: Document STM32 low power timer bindings
  mfd: rk808: Convert RK805 to shutdown/suspend hooks
  mfd: rk808: Reduce shutdown duplication
  mfd: rk808: Stop using syscore ops
  mfd: rk808: Ensure suspend/resume hooks always work
  mfd: rk808: Always use poweroff when requested
  mfd: omap: Remove useless cast for driver.name
  mfd: Kconfig: Fix some misspelling of the word functionality
  mfd: pm8xxx: Replace zero-length array with flexible-array member
  mfd: omap-usb-tll: Replace zero-length array with flexible-array member
  mfd: cpcap: Fix compile if MFD_CORE is not selected
  mfd: cros_ec: Check DT node for usbpd-notify add
  ...
2020-04-07 19:48:52 -07:00
Gwendal Grignou
6562793b55 iio: cros_ec: Expose hwfifo_timeout
Expose EC minimal interrupt period through buffer/hwfifo_timeout:
- Maximal timeout is limited to 65s.
- When timeout for all sensors is set to 0, EC will not send events,
  even if the sensor sampling rate is greater than 0.

Rename frequency to sampling_frequency to match IIO ABI.

Signed-off-by: Gwendal Grignou <gwendal@chromium.org>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
2020-03-28 22:04:33 +01:00
Gwendal Grignou
2861be4ca9 iio: cros_ec: Remove pm function
Since cros_ec_sensorhub is shutting down the FIFO when the device
suspends, no need to slow down the EC sampling period rate.

It was necesseary to do that before command CMD_FIFO_INT_ENABLE was
introduced, but now all supported chromebooks have it.

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>
2020-03-28 22:04:32 +01:00
Gwendal Grignou
aa984f1ba4 iio: cros_ec: Register to cros_ec_sensorhub when EC supports FIFO
When EC supports FIFO, each IIO device registers a callback, to put
samples in the buffer when they arrives from the FIFO.

When no FIFO, the user space app needs to call trigger_new, or better
register a high precision timer.

Signed-off-by: Gwendal Grignou <gwendal@chromium.org>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
2020-03-28 22:04:32 +01:00
Jeff LaBundy
b081b73820 iio: light: Add support for Azoteq IQS621/622 ambient light sensors
This patch adds support for the Azoteq IQS621 and IQS622 ambient light
sensors, both of which can report a four-bit representation of ambient
light intensity.

The IQS621 can additionally report illuminace directly in units of lux,
while the IQS622 can report a four-bit representation of infrared light
intensity. Furthermore, the IQS622 can report a unitless measurement of
a target's proximity to the device.

Signed-off-by: Jeff LaBundy <jeff@labundy.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2020-03-27 08:25:56 +00:00
Greg Kroah-Hartman
6203da9803 Merge 5.6-rc7 into staging-next
We need the staging/iio fixes in here as well

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-03-23 08:01:20 +01:00
Nishant Malpani
9fd28570ec iio: light: tsl2563: Rename macro to fix typo
This patch renames macro to fix the following warning generated by
checkpatch.pl:

WARNING: 'DISBLED' may be misspelled - perhaps 'DISABLED'?

Signed-off-by: Nishant Malpani <nish.malpani25@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2020-03-21 11:12:56 +00:00
Andy Shevchenko
3c50dee995 iio: light: st_uvis25: Drop unneeded casting when print error code
Explicit casting in printf() usually shows that something is not okay.
Here, we really don't need it by providing correct specifier.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2020-03-21 10:25:59 +00:00
Greg Kroah-Hartman
14800df6a0 First set of IIO fixes in the 5.6 cycle.
* adxl372
   - Fix marking of buffered values as big endian.
 * ak8974
   - Fix wrong handling of negative values when read from sysfs.
 * at91-sama5d2
   - Fix differential mode by ensuring configuration set correctly.
 * ping
   - Use the write sensor type for of_ping_match table.
 * sps30
   - Kconfig build dependency fix.
 * st-sensors
   - Fix a wrong identification of which part the SMO8840 ACPI ID indicates.
 * stm32-dsfdm
   - Fix a sleep in atomic issue by not using a trigger when it makes no sense.
 * stm32-timer
   - Make sure master mode is disabled when stopping.
 * vcnl400
   - Update some sampling periods based on new docs.
 -----BEGIN PGP SIGNATURE-----
 
 iQJFBAABCAAvFiEEbilms4eEBlKRJoGxVIU0mcT0FogFAl5lHRwRHGppYzIzQGtl
 cm5lbC5vcmcACgkQVIU0mcT0FohvfBAAnKMExW+zKhI1lyTnJQNQhed+0VfNMW7t
 23VsgNQ0jLpS9eX7+1ztHhO34wP92EcvUq5p4URwEFqtQC4Ofbrm/wcYunLkmkSJ
 +q1KG62jTUpQjj56iHb6OPfULEL5rdkbU+csDlrxPMk22PlWNwfCZ5mJmBJZnjDL
 Jlf1ihh/3HcxCE8TavihBiryrPlNE+0C1SHWhVz0M/rOaNxOBPCKU0Oi5jf+RvZT
 lpc9qhUmuM559yV4PzZQrUoJvz2OQirdzHvCtdvTM1/nbRtqoymqqQ7+6Jvhs/Wk
 tUea6E5PbVV/RWC80Ezid9Z+ejOdPfBjJbEzqBCdtS2rXAhNBDyXgYjuC5h6IvRR
 sdl15w6bi52uVcPWpYi016KuX7e8dPexNOS7AmxXB4V+VCORrHHlErTSJK+2O6BU
 7Eeb89Jq8Azp+/Ecv9WB606/gSkfHlv94t6a+eujhb0WRqvAR0RlsTMXQnVv4tEN
 T0R/Nv/kS7xgMCsRMKCeX5ZIMEsIrk0b48yk2iGWWvWzOLFiSjSmW82dcGQRW0kM
 qCIf9FmAIPD0+gCZxxTMrQd+nQ9X98ZbvLPBhLLjjBim/zksxQgknkvg73jGHdZY
 1McwlHrx/x1/5VUeScURA2vsTaU0yZSaSNATN3WBZqLGf8aP2GUe9cXJYb5EWoRC
 eZr607TuOp0=
 =uJ0W
 -----END PGP SIGNATURE-----

Merge tag 'iio-fixes-for-5.6a' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-linus

Jonathan writes:

First set of IIO fixes in the 5.6 cycle.

* adxl372
  - Fix marking of buffered values as big endian.
* ak8974
  - Fix wrong handling of negative values when read from sysfs.
* at91-sama5d2
  - Fix differential mode by ensuring configuration set correctly.
* ping
  - Use the write sensor type for of_ping_match table.
* sps30
  - Kconfig build dependency fix.
* st-sensors
  - Fix a wrong identification of which part the SMO8840 ACPI ID indicates.
* stm32-dsfdm
  - Fix a sleep in atomic issue by not using a trigger when it makes no sense.
* stm32-timer
  - Make sure master mode is disabled when stopping.
* vcnl400
  - Update some sampling periods based on new docs.

* tag 'iio-fixes-for-5.6a' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio:
  iio: ping: set pa_laser_ping_cfg in of_ping_match
  iio: chemical: sps30: fix missing triggered buffer dependency
  iio: st_sensors: remap SMO8840 to LIS2DH12
  iio: light: vcnl4000: update sampling periods for vcnl4040
  iio: light: vcnl4000: update sampling periods for vcnl4200
  iio: accel: adxl372: Set iio_chan BE
  iio: magnetometer: ak8974: Fix negative raw values in sysfs
  iio: trigger: stm32-timer: disable master mode when stopping
  iio: adc: stm32-dfsdm: fix sleep in atomic context
  iio: adc: at91-sama5d2_adc: fix differential channels in triggered mode
2020-03-18 11:20:42 +01:00
Alexandru Ardelean
a305b0c9ed iio: light: gp2ap020a00f: fix iio_triggered_buffer_{predisable,postenable} 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.

This change moves the postenable/predisable hooks into the correct
positions.

Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2020-03-08 17:28:54 +00:00
Maxime Roussin-Bélanger
328b50e9a0 iio: si1133: read 24-bit signed integer for measurement
The chip is configured in 24 bit mode. The values read from
it must always be treated as is. This fixes the issue by
replacing the previous 16 bits value by a 24 bits buffer.

This changes affects the value output by previous version of
the driver, since the least significant byte was missing.
The upper half of 16 bit values previously output are now
the upper half of a 24 bit value.

Fixes: e01e7eaf37 ("iio: light: introduce si1133")

Reported-by: Simon Goyette <simon.goyette@gmail.com>
Co-authored-by: Guillaume Champagne <champagne.guillaume.c@gmail.com>
Signed-off-by: Maxime Roussin-Bélanger <maxime.roussinbelanger@gmail.com>
Signed-off-by: Guillaume Champagne <champagne.guillaume.c@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2020-03-08 17:28:42 +00:00
Gregor Riepl
070bd30a51 iio: light: Simplify the current to lux LUT
The look-up-table for currens to lux is simply specifying
all currents from 5..47 mA, if we add some values for 0..5
we can just select the index for the lux value in an array
from the mA value. Use clamp() to get the value in the
range of values in the array.

Cc: Jonathan Bakker <xc-racer2@live.ca>
Signed-off-by: Gregor Riepl <onitake@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2020-03-08 17:28:41 +00:00
David Heidelberg
9c088c020d iio: light: al3320a allow module autoload and polish
- allow autoloading when build as module and defined inside DT

Signed-off-by: David Heidelberg <david@ixit.cz>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2020-03-08 17:28:35 +00:00
David Heidelberg
3a271275fa iio: light: al3320a implement devm_add_action_or_reset
Use devm_add_action_or_reset to automatically disable the device
and allow you to get rid of the remove function entirely.

Signed-off-by: David Heidelberg <david@ixit.cz>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2020-03-08 17:28:35 +00:00
David Heidelberg
c39a05e352 iio: light: al3320a implement suspend support
AL3320a is fairly simple chip, so for suspend is enough to disable and
later enable it again.

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
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
Tomas Novotny
2ca5a8792d iio: light: vcnl4000: update sampling periods for vcnl4040
Vishay has published a new version of "Designing the VCNL4200 Into an
Application" application note in October 2019. The new version specifies
that there is +-20% of part to part tolerance. Although the application
note is related to vcnl4200, according to support the vcnl4040's "ASIC
is quite similar to that one for the VCNL4200".

So update the sampling periods (and comment), including the correct
sampling period for proximity. Both sampling periods are lower. Users
relying on the blocking behaviour of reading will get proximity
measurements much earlier.

Fixes: 5a441aade5 ("iio: light: vcnl4000 add support for the VCNL4040 proximity and light sensor")
Reviewed-by: Guido Günther <agx@sigxcpu.org>
Tested-by: Guido Günther <agx@sigxcpu.org>
Signed-off-by: Tomas Novotny <tomas@novotny.cz>
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2020-03-08 16:21:23 +00:00
Tomas Novotny
b42aa97ed5 iio: light: vcnl4000: update sampling periods for vcnl4200
Vishay has published a new version of "Designing the VCNL4200 Into an
Application" application note in October 2019. The new version specifies
that there is +-20% of part to part tolerance. This explains the drift
seen during experiments. The proximity pulse width is also changed from
32us to 30us. According to the support, the tolerance also applies to
ambient light.

So update the sampling periods. As the reading is blocking, current
users may notice slightly longer response time.

Fixes: be38866fbb ("iio: vcnl4000: add support for VCNL4200")
Reviewed-by: Guido Günther <agx@sigxcpu.org>
Signed-off-by: Tomas Novotny <tomas@novotny.cz>
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2020-03-08 16:21:21 +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
 -----BEGIN PGP SIGNATURE-----
 
 iHUEABYKAB0WIQQCtZK6p/AktxXfkOlzbaomhzOwwgUCXjij4AAKCRBzbaomhzOw
 wrFjAP0bU5PFkxprCOTY9kF/cMgHPDljEPES4FVV11eGyYr3HgD/StpuIhFGrh7+
 Fz96dDdNu1melyGjmMqSN/M9JFo+Hw4=
 =FB/I
 -----END PGP SIGNATURE-----

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.
 -----BEGIN PGP SIGNATURE-----
 
 iQJFBAABCAAvFiEEbilms4eEBlKRJoGxVIU0mcT0FogFAl4R2mwRHGppYzIzQGtl
 cm5lbC5vcmcACgkQVIU0mcT0Fogfow//Rfsrd2oiAwy4ypm70ZWGnr84C3O/Vpic
 Agwdd2/lHiCA2Gjg+n7ZT6XkKQmKiojuBMT05PuskEm5onJVQuSAKMVppXwU6UDP
 uOUS5MAbo87GLogzXJnAR/eCrx/VkC4UqFRBSi7IUIj+lTpjiOhmoqm78VTMxkgT
 hvp5PVN/mLNxNV3eVrR9uILjZLpbBjKjWil00IS2zj0o78sGtd2QtMIdTbn3iBLp
 m0ngCDww1KDH+idwbOIn8YX8GSK8mTjNV5q4r9+xnjoAk8RPk+H317idyRHCKfCM
 wWFSFB6u/oqtHXRgQVi3ndRrZnPLTycA/R20f3ezzhVYZzf3RpH8Upcx0lqqCmrB
 +ZTbYW1L7KL6zCSR4ZYIEmw2TeQngfCGy0yDoEDXm9V8/B2nGWFc3Iknq+fK415V
 7OgJCWAw6ybF2LZfJHpcuJTb0EPxCKnInHbRsaxCsSAPRyERSdAz8RLn3lpH/k2D
 X32Q9hz/6sXKzIAD1Y0jv8ll28D5S7d2FgaWufy1tpB+CMb0Mp0RQn+Ho8lNMh70
 Zh9SF8RvknAiCT9iHeVIdbJxoYEtMuCaDwScliukVcg12gVViY5VzXMbSV/4jCnZ
 bAVZDpcM3LVLxCGbWqCNxjQ9wle99LsVHRld/KDpOfI6VIYDb8Y900Nf6efkQkAs
 a6z6rhpVdDg=
 =8FmM
 -----END PGP SIGNATURE-----

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