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Commit Graph

18 Commits

Author SHA1 Message Date
Thomas Gleixner
c942fddf87 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 157
Based on 3 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 as published by
  the free software foundation either version 2 of the license or at
  your option any later version this program is distributed in the
  hope that 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

  this program is free software you can redistribute it and or modify
  it under the terms of the gnu general public license as published by
  the free software foundation either version 2 of the license or at
  your option any later version [author] [kishon] [vijay] [abraham]
  [i] [kishon]@[ti] [com] this program is distributed in the hope that
  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

  this program is free software you can redistribute it and or modify
  it under the terms of the gnu general public license as published by
  the free software foundation either version 2 of the license or at
  your option any later version [author] [graeme] [gregory]
  [gg]@[slimlogic] [co] [uk] [author] [kishon] [vijay] [abraham] [i]
  [kishon]@[ti] [com] [based] [on] [twl6030]_[usb] [c] [author] [hema]
  [hk] [hemahk]@[ti] [com] this program is distributed in the hope
  that 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-or-later

has been chosen to replace the boilerplate/reference in 1105 file(s).

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Allison Randal <allison@lohutok.net>
Reviewed-by: Richard Fontana <rfontana@redhat.com>
Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190527070033.202006027@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-05-30 11:26:37 -07:00
Gustavo A. R. Silva
9ffa68f654 iio: health: max30102: Mark expected switch fall-throughs
In preparation to enabling -Wimplicit-fallthrough, mark switch cases
where we are expecting to fall through.

Notice that in this particular case, I placed the "fall through"
annotation at the bottom of the case, which is what GCC is expecting
to find.

Addresses-Coverity-ID: 1458342 ("Missing break in switch")
Addresses-Coverity-ID: 1458345 ("Missing break in switch")
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2018-08-19 17:21:35 +01:00
Greg Kroah-Hartman
e8cd29b774 Merge Linus's staging merge point into staging-next
This resolves the merge issue pointed out by Stephen in
drivers/iio/adc/meson_saradc.c.

Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-12-06 15:27:17 +01:00
Peter Meerwald-Stadler
ad44a9f804 iio: health: max30102: Temperature should be in milli Celsius
As per ABI temperature should be in milli Celsius after scaling,
not Celsius

Note on stable cc.  This driver is breaking the standard IIO
ABI. (JC)

Signed-off-by: Peter Meerwald-Stadler <pmeerw@pmeerw.net>
Acked-by: Matt Ranostay <matt.ranostay@konsulko.com>
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2017-12-02 11:15:14 +00:00
Peter Meerwald-Stadler
90579b69e9 iio: health: max30102: Add MAX30105 support
The Maxim MAX30105 part adds a third LED (green) and uses a multi-LED
measuring mode producing three measurements

Signed-off-by: Peter Meerwald-Stadler <pmeerw@pmeerw.net>
Acked-by: Matt Ranostay <matt.ranostay@konsulko.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2017-12-02 10:41:08 +00:00
Peter Meerwald-Stadler
fef79edc17 iio: health: max30102: Prepare for copying varying number of measurements
Current code assumes always 2 measurements (6 bytes) have to be copied,
prepare for more flexibility

Signed-off-by: Peter Meerwald-Stadler <pmeerw@pmeerw.net>
Acked-by: Matt Ranostay <matt.ranostay@konsulko.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2017-12-02 10:41:05 +00:00
Peter Meerwald-Stadler
83e6415d56 iio: health: max30102: Move mode setting to buffer_postenable
Move the programming of the mode setting from init() to
buffer_postenable()

Split out a separate function to
only update the power/shutdown bit

This changes permits to more easily implement different
modes of measurements in further patches

Signed-off-by: Peter Meerwald-Stadler <pmeerw@pmeerw.net>
Acked-by: Matt Ranostay <matt.ranostay@konsulko.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2017-12-02 10:41:01 +00:00
Peter Meerwald-Stadler
ad90e570e2 iio: health: max30102: Introduce indices for LED channels
Signed-off-by: Peter Meerwald-Stadler <pmeerw@pmeerw.net>
Acked-by: Matt Ranostay <matt.ranostay@konsulko.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2017-12-02 10:40:57 +00:00
Peter Meerwald-Stadler
a9c47abbdd iio: health: max30102: Add power enable parameter to get_temp function
Chip must not be in shutdown for reading temperature, so briefly leave
shutdown if buffer is not already running

Signed-off-by: Peter Meerwald-Stadler <pmeerw@pmeerw.net>
Acked-by: Matt Ranostay <matt.ranostay@konsulko.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2017-12-02 10:40:55 +00:00
Peter Meerwald-Stadler
839a74cde7 iio: health: max30102: Introduce intensity channel macro
Signed-off-by: Peter Meerwald-Stalder <pmeerw@pmeerw.net>
Acked-by: Matt Ranostay <matt.ranostay@konsulko.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2017-12-02 10:40:50 +00:00
Peter Meerwald-Stadler
84b0ce05e4 iio: health: max30102: Add check for part ID
Signed-off-by: Peter Meerwald-Stadler <pmeerw@pmeerw.net>
Acked-by: Matt Ranostay <matt.ranostay@konsulko.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2017-12-02 10:40:46 +00:00
Peter Meerwald-Stadler
d0b950c73d iio: health: max30102: Check retval of powermode function
Signed-off-by: Peter Meerwald-Stadler <pmeerw@pmeerw.net>
Acked-by: Matt Ranostay <matt.ranostay@konsulko.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2017-12-02 10:40:44 +00:00
Peter Meerwald-Stadler
7b0b0ec157 iio: health: max30102: Fix mode config values
Table 4 of the datasheet specifies the mode control, these are not
individual bits; add multi LED mode

Add multi-LED mode and fix MODE_MASK (3 bits wide, not 2)

Signed-off-by: Peter Meerwald-Stadler <pmeerw@pmeerw.net>
Acked-by: Matt Ranostay <matt.ranostay@konsulko.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2017-12-02 10:40:39 +00:00
Peter Meerwald-Stadler
c31c946af8 iio: health: max30102: Remove inconsistent full stop in error message
Signed-off-by: Peter Meerwald-Stadler <pmeerw@pmeerw.net>
Acked-by: Matt Ranostay <matt.ranostay@konsulko.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2017-12-02 10:40:34 +00:00
Peter Meerwald-Stadler
dd86dbf94f iio: health: max30102: Fix missing newline in dev_err
Signed-off-by: Peter Meerwald-Stadler <pmeerw@pmeerw.net>
Acked-by: Matt Ranostay <matt.ranostay@konsulko.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2017-12-02 10:40:31 +00:00
Jonathan Cameron
73bba67096 iio:health: drop assign iio_info.driver_module and iio_trigger_ops.owner
The equivalent of both of these are now done via macro magic when
the relevant register calls are made.  The actual structure
elements will shortly go away.

Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Lars-Peter Clausen <lars@metafoo.de>
2017-08-22 21:29:44 +01:00
Lars-Peter Clausen
fa722499bb iio: max30102: Set parent device
Initialize the parent of the IIO device to the device that registered it.
This makes sure that the IIO device appears the right level in the device
hierarchy.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2017-02-19 12:00:16 +00:00
Matt Ranostay
b3c590ce14 iio: health: add MAX30102 oximeter driver support
MAX30102 is an heart rate and pulse oximeter sensor that works using
two LEDS of different wavelengths, and detecting the light reflected
back.

This patchset adds support for both IR and RED LED channels which can
be processed in userspace to determine heart rate and blood oxygen
levels. The MAX30102 part isn't completely register and functional
compatible with the existing MAX30100 driver.

Signed-off-by: Matt Ranostay <matt@ranostay.consulting>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2017-02-05 09:45:00 +00:00