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Cristian Sicilia [Sun, 24 Mar 2019 17:23:09 +0000 (18:23 +0100)]
staging: iio: adc:
ad7280a: Tab alignment
Aligned some parameters.
Signed-off-by: Cristian Sicilia <sicilia.cristian@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Stefan Popa [Tue, 26 Mar 2019 10:59:52 +0000 (12:59 +0200)]
MAINTAINERS: Fix the link to ad7606 dt-bindings
The devicetree bindings documentation for ad7606 should also include
the vendor prefix: ad7606.txt -> adi,ad7606.txt
Fixes:
6e33a125df66 ("dt-bindings: iio: adc: Add docs for AD7606 ADC")
Signed-off-by: Stefan Popa <stefan.popa@analog.com>
Reviewed-by: Mukesh Ojha <mojha@codeaurora.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Paresh Chaudhary [Tue, 26 Mar 2019 11:18:42 +0000 (12:18 +0100)]
iio:temperature: Add MAX31856 thermocouple support
This patch adds support for Maxim MAX31856 thermocouple
temperature sensor support.
More information can be found in:
https://www.maximintegrated.com/en/ds/MAX31856.pdf
NOTE: Driver support only Comparator Mode.
Signed-off-by: Paresh Chaudhary <paresh.chaudhary@rockwellcollins.com>
Signed-off-by: Matt Weber <matthew.weber@rockwellcollins.com>
Signed-off-by: Patrick Havelange <patrick.havelange@essensium.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Paresh Chaudhary [Tue, 26 Mar 2019 11:18:41 +0000 (12:18 +0100)]
iio:temperature:max31856:Add device tree bind info
This patch added device tree binding info for MAX31856 driver.
Signed-off-by: Paresh Chaudhary <paresh.chaudhary@rockwellcollins.com>
Signed-off-by: Matt Weber <matthew.weber@rockwellcollins.com>
Signed-off-by: Patrick Havelange <patrick.havelange@essensium.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Patrick Havelange [Tue, 26 Mar 2019 11:18:40 +0000 (12:18 +0100)]
dt-bindings: iio/temperature: Add thermocouple types (and doc)
This patch introduces common thermocouple types used by various
temperature sensors. Also a brief documentation explaining this
"thermocouple-type" property.
Signed-off-by: Patrick Havelange <patrick.havelange@essensium.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Andreas Klinger [Tue, 26 Mar 2019 13:39:40 +0000 (14:39 +0100)]
devantech-srf04.yaml: transform DT binding to YAML
devantech-srf04.yaml: yaml devicetree binding for iio ultrasonic
proximity driver of devantech srf04
use devantech-srf04.txt, transform binding into yaml and remove the
outdated DT documentation
Signed-off-by: Andreas Klinger <ak@it-klinger.de>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Lars-Peter Clausen [Tue, 26 Mar 2019 13:40:03 +0000 (15:40 +0200)]
iio: frequency: ad9523: Fix typo in ad9523_platform_data
Replace diff_{m1,m2} with div_{m1,m2} since they are dividers and not a
differential settings.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Andy Shevchenko [Tue, 26 Mar 2019 13:47:00 +0000 (15:47 +0200)]
iio: Make possible to include driver.h first
If we put headers alphabetically sorted in the IIO driver,
the compilation will abort because of unknown type to handle.
Simple add a forward declaration of opaque struct iio_dev.
Suggested-by: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
H. Nikolaus Schaller [Mon, 18 Mar 2019 15:14:15 +0000 (16:14 +0100)]
dt-bindings: iio: add Bosch BMG160 gyroscope sensor
Define bindings for "bosch,bmg160" and "bosch,bmi055_gyro".
Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
H. Nikolaus Schaller [Mon, 18 Mar 2019 15:14:14 +0000 (16:14 +0100)]
iio: gyro: bmg160: add device tree compatibility table
Add of_match_table.
Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Mircea Caprioru [Tue, 19 Mar 2019 14:25:20 +0000 (16:25 +0200)]
staging: iio: adc: ad7192: Use read_avail for available attributes
This patch removes the in_voltage-voltage_scale_available and
in_voltage_scale_available attributes. These are replaced with available
attributes added in info_mask_shared_by_type_available.
With this modification the iio core will be responsible with naming the
attributes thus removing the checkpatch warning related to
in_voltage-voltage_scale_available naming.
Signed-off-by: Mircea Caprioru <mircea.caprioru@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Angus Ainslie (Purism) [Thu, 21 Mar 2019 15:40:47 +0000 (08:40 -0700)]
dt-bindings: iio: light: add vcnl4040 devicetree bindings
Document the vishay VCNL4040 devicetree bindings.
Signed-off-by: Angus Ainslie (Purism) <angus@akkea.ca>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Angus Ainslie (Purism) [Thu, 21 Mar 2019 15:40:46 +0000 (08:40 -0700)]
iio: light: vcnl4000 add support for the VCNL4040 proximity and light sensor
The VCNL4040 is almost identical to the VCNL4200 as far as register
layout goes but just need to check a different ID register location.
Signed-off-by: Angus Ainslie (Purism) <angus@akkea.ca>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Angus Ainslie (Purism) [Thu, 21 Mar 2019 15:40:45 +0000 (08:40 -0700)]
dt-bindings: iio: light: add vcnl4000 devicetree bindings
Document the vishay VCNL4000 devicetree bindings.
Signed-off-by: Angus Ainslie (Purism) <angus@akkea.ca>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Angus Ainslie (Purism) [Thu, 21 Mar 2019 15:40:44 +0000 (08:40 -0700)]
iio: light: vcnl4000 add devicetree hooks
Add an of_match table for devicetree probing.
Signed-off-by: Angus Ainslie (Purism) <angus@akkea.ca>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Angus Ainslie (Purism) [Thu, 21 Mar 2019 15:40:43 +0000 (08:40 -0700)]
iio: light: vcnl4000 use word writes instead of byte writes
The VCNL4200 datasheet says that word read and writes should be used
to access the registers.
Signed-off-by: Angus Ainslie (Purism) <angus@akkea.ca>
Tested-by: Tomas Novotny <tomas@novotny.cz>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Fabrice Gasnier [Thu, 21 Mar 2019 16:47:29 +0000 (17:47 +0100)]
iio: adc: stm32-dfsdm: claim direct mode for raw read and settings
Claim direct mode to ensure no buffer mode is in use for:
- single conversion
- sample rate setting (must be set when filter isn't enabled).
- oversampling ratio (must be set when filter isn't enabled).
Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Fabrice Gasnier [Thu, 21 Mar 2019 16:47:28 +0000 (17:47 +0100)]
iio: adc: stm32-dfsdm: add support for buffer modes
DFSDM conversions can be launched continuously, or using various
triggers:
- by software
- hardware triggers (e.g. like in stm32-adc: TIM, LPTIM, EXTI)
- synchronously with DFSDM filter 0. e.g. for filters 1, 2
Launching conversions can be done using two methods:
a - injected:
- scan mode can be used to convert several channels each time a
trigger occurs.
- When not is scan mode, channels are converted in sequence, one upon
each trigger.
b - regular:
- supports software triggers or synchronous with filter 0
- single or continuous conversions
This patch finalizes DFSDM operating modes using IIO buffer modes:
- INDIO_BUFFER_SOFTWARE: regular continuous conversions (no trigger)
but limited to 1 channel. Users must set sampling frequency in this case.
For filters > 1, conversions can be started synchronously with filter 0.
- INDIO_BUFFER_TRIGGERED: triggered conversions uses injected mode for
launching conversions. DFSDM can use hardware triggers (e.g. STM32 timer
or lptimer), so add INDIO_HARDWARE_TRIGGERED to supported modes.
- INDIO_DIRECT_MODE: Only support DMA-based buffer modes. In case no DMA is
available, only support single conversions.
From userland perspective, to summarize various use cases:
1 - single conversion on any filter:
$ cd iio:deviceX
$ cat in_voltageY_raw
This uses regular a conversion (not continuous)
2 - Using sampling frequency without trigger (single channel, buffer)
$ cd iio:deviceX
$ echo 100 > sampling_frequency
$ echo "" > trigger/current_trigger
$ echo 1 > scan_elements/in_voltageY_en
$ echo 1 > buffer/enable
This uses regular conversion in continuous mode (Frequency is achieved
by tuning filter parameters)
3 - sync mode with filter 0: other filters can be converted when using
"st,filter0-sync" dt property. The conversions will get started at the
same time as filter 0. So for any filters > 1:
$ cd iio:deviceX
$ echo 100 > sampling_frequency
$ echo "" > trigger/current_trigger
$ echo 1 > scan_elements/in_voltageY_en
$ echo 1 > buffer/enable
Then start filter 0 as in 2 above.
4 - Using a hardware trigger (with one channel):
- check trigger, configure it:
$ cat /sys/bus/iio/devices/trigger1/name
tim6_trgo
$ echo 100 > /sys/bus/iio/devices/trigger1/sampling_frequency
- go to any filter:
$ echo 1 > scan_elements/in_voltageY_en
$ echo tim6_trgo > trigger/current_trigger
$ echo 1 > buffer/enable
This uses injected conversion as it uses a hardware trigger (without scan)
5 - Using a hardware trigger (with 2+ channel):
Same as in 4/ above, but enable two or more channels in scan_elements.
This uses injected conversion as it uses a hardware trigger (with scan mode)
Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Fabrice Gasnier [Thu, 21 Mar 2019 16:47:27 +0000 (17:47 +0100)]
iio: adc: stm32-dfsdm: add support for scan mode
In order to support multiple channels in buffer mode, add support for scan
mode. This is precursor patch to ease support of triggered buffer mode.
Currently, only audio uses buffer mode: Regular continuous conversions
with a single channel (per filter).
DFSDM hardware supports scan mode (only) with injected conversions.
Conversions can be launched by software (JSWSTART), trigger or
synchronously with filter 0 (e.g. JSYNC). Continuous conversion mode isn't
available for injected.
Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Fabrice Gasnier [Thu, 21 Mar 2019 16:47:26 +0000 (17:47 +0100)]
iio: adc: stm32-dfsdm: enable hw consumer
Optionally enable IIO hw consumer, when provided (e.g. for DFSDM_IIO type).
This is precursor patch to introduce buffer modes.
Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Fabrice Gasnier [Thu, 21 Mar 2019 16:47:25 +0000 (17:47 +0100)]
iio: adc: stm32-dfsdm: move dma slave config to start routine
Move DMA slave configuration to start routine: depending on regular or
injected mode is in use, DMA needs to read resp. RDATAR or JDATAR.
This is precursor patch to introduce injected mode (used for scan).
Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Fabrice Gasnier [Thu, 21 Mar 2019 16:47:24 +0000 (17:47 +0100)]
iio: adc: stm32-dfsdm: move dma enable from start_conv() to start_dma()
Move DMA enable (e.g. set RDMAEN bit) away from start_conv() that is used
for both buffer and single conversions. Thus, single conv rely on
interrupt, not dma.
Note: take care to prepare all DMA stuff and set RDMAEN before starting
filter (can be set only when DFEN=0).
This is precursor patch to ease support of triggered buffer mode.
Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Fabrice Gasnier [Thu, 21 Mar 2019 16:47:23 +0000 (17:47 +0100)]
iio: adc: stm32-dfsdm: continuous mode depends on current mode
DFSDM regular continuous mode usage depends on current mode (not DMA):
- for single conversion, RCONT doesn't need to be set.
- for buffer mode, RCONT has to be set (e.g. INDIO_BUFFER_SOFTWARE
used by audio currently).
This is related to filter configuration, move it to relevant routine.
This is precursor patch to ease support of triggered buffer mode.
Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Fabrice Gasnier [Thu, 21 Mar 2019 16:47:22 +0000 (17:47 +0100)]
iio: adc: stm32-dfsdm: make spi_master_freq more accurate
Current ckout divider may be set to a value that makes ckout to exceed
spi-max-frequency. Rather use lower value (e.g. round up divider when
ckout isn't accurate).
Also when the SPI clock isn't accurate, 'spi_master_freq' is filled in
with expected frequency. Use computed value instead to be more accurate:
- e.g. source clock / (CKOUTDIV + 1)
Enforce checks on the divider: ckoutdiv range can be from 1-255 to provide
divider of 2-256.
Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Marcelo Schmitt [Thu, 21 Mar 2019 18:42:13 +0000 (15:42 -0300)]
staging: iio: ad5933: change attributes to match ABI
Change device attributes' names to match ABI documentation. Names were
chosen such that they tend to be similar to existing ABI so it should
be easier to standardize them when necessary.
Signed-off-by: Marcelo Schmitt <marcelo.schmitt1@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Vladimir Petrigo [Thu, 21 Mar 2019 21:15:28 +0000 (00:15 +0300)]
iio: adc: ad7780: Add parentheses to macros
- Fix CHECK Macro argument 'wordsize' may be better as '(wordsize)' to avoid precedence issues
Slightly modified by Jonathan to take into account the staging graduation
and a copy and paste version of the same item on the following line.
Signed-off-by: Vladimir Petrigo <vladimir.petrigo@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Alexandru Ardelean [Fri, 22 Mar 2019 20:44:42 +0000 (22:44 +0200)]
iio: imu: adis16400: move adis16400.h into adis16400.c
Final part of the re-organization. Move the `adis16400.h` into
`adis16400.c` since it no longer needs to be shared among other files.
Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Alexandru Ardelean [Fri, 22 Mar 2019 20:44:41 +0000 (22:44 +0200)]
iio: imu: adis16400: rename adis16400_core.c -> adi16400.c
This change does a simple 1-to-1 rename of the adis16400_core.c file. Now
that the `adis16400_buffer.c` file was removed, everything can be moved
into a single driver file.
But first, this rename.
Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Alexandru Ardelean [Fri, 22 Mar 2019 20:44:40 +0000 (22:44 +0200)]
iio: imu: adis16400: move burst logic to ADIS lib
This change has been done separately, so that it's easier to visualize the
changed logic in the adis_scan_update() function.
Most of the function in this `adis16400_update_scan_mode()` that deals with
burst-mode will be re-used in the ADIS16480, but with different parameters.
Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Alexandru Ardelean [Fri, 22 Mar 2019 20:44:39 +0000 (22:44 +0200)]
iio: imu: adis: generalize burst mode support
Some variants in the ADIS16400 family support burst mode. This mechanism is
implemented in the `adis16400_buffer.c` file.
Some variants in ADIS16480 are also adding burst mode, which is
functionally similar to ADIS16400, but with different parameters. To get
there, a `adis_burst` struct is added to parametrize certain bits of the
SPI communication to setup: the register that triggers burst-mode, and the
extra-data-length that needs be accounted for when building the bust-length
buffer.
The trigger handler cannot be made generic, since it's very specific to
each ADIS164XX family.
A future enhancement of this `adis_burst` mode will be the possibility to
enable/disable burst-mode. For the ADIS16400 family it's hard-coded to on
by default. But for ADIS16480 there will be a need to disable this.
When that will be implemented, both ADIS16400 & ADIS16480 will have the
burst-mode enable-able/disable-able.
Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Alexandru Ardelean [Fri, 22 Mar 2019 20:44:38 +0000 (22:44 +0200)]
iio: imu: adis16400: move trigger handler into adis16400_core
The trigger handler for the ADIS16400 is very different from the generic
one in the ADIS library. Keeping it in a separate file won't make much
sense once the update_scan_mode function will be made more generic and
moved into the ADIS library.
Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Cristian Sicilia [Sat, 23 Mar 2019 19:21:49 +0000 (20:21 +0100)]
staging: iio: adc:
ad7280a: Remove CamelCase notation
Fix CamelCase naming.
Signed-off-by: Cristian Sicilia <sicilia.cristian@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Cristian Sicilia [Sat, 23 Mar 2019 19:21:45 +0000 (20:21 +0100)]
staging: iio: adc:
ad7280a: Adding temp var to improve readability
Creating a temporary variable to improve readability
Signed-off-by: Cristian Sicilia <sicilia.cristian@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Cristian Sicilia [Sat, 23 Mar 2019 19:21:42 +0000 (20:21 +0100)]
staging: iio: adc:
ad7280a: Avoid precedence issues in macro
Enclosing parameter with parenthesis due to avoid
possible precedence issue.
Signed-off-by: Cristian Sicilia <sicilia.cristian@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Andreas Klinger [Sun, 17 Mar 2019 20:38:29 +0000 (21:38 +0100)]
MAINTAINERS: add maintainer for maxbotix ultrasonic driver
add a maintainer for the newly created ultrasonic driver family of maxbotix
Signed-off-by: Andreas Klinger <ak@it-klinger.de>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Andreas Klinger [Sun, 17 Mar 2019 20:38:03 +0000 (21:38 +0100)]
mb1232.c: add distance iio sensor with i2c
Add I2CXL-MaxSonar ultrasonic distance sensors of types mb1202, mb1212,
mb1222, mb1232, mb1242, mb7040, mb7137 using an i2c interface
Implemented functionality:
- reading the distance via in_distance_raw
- buffered mode with trigger
- make use of interrupt to announce completion of ranging
Add mb1232 driver to Kconfig and Makefile
Signed-off-by: Andreas Klinger <ak@it-klinger.de>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Andreas Klinger [Sun, 17 Mar 2019 20:35:27 +0000 (21:35 +0100)]
dt-bindings: maxbotix,mb1232: Add MaxBotix i2c ultrasonic rangers
Add doc for dt binding maxbotix,mb1232. This binding is for MaxBotix
I2CXL-MaxSonar ultrasonic rangers which share a common i2c interface.
Signed-off-by: Andreas Klinger <ak@it-klinger.de>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Andreas Klinger [Sun, 17 Mar 2019 20:35:00 +0000 (21:35 +0100)]
dt-bindings: Add vendor prefix for MaxBotix
Add MaxBotix, which is a vendor of ultrasonic rangers in different
varieties and interfaces.
Signed-off-by: Andreas Klinger <ak@it-klinger.de>
Reviewed-by: Andreas Färber <afaerber@suse.de>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Kangjie Lu [Sat, 16 Mar 2019 22:08:33 +0000 (17:08 -0500)]
iio: hmc5843: fix potential NULL pointer dereferences
devm_regmap_init_i2c may fail and return NULL. The fix returns
the error when it fails.
Signed-off-by: Kangjie Lu <kjlu@umn.edu>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Marcelo Schmitt [Sat, 16 Mar 2019 15:07:32 +0000 (12:07 -0300)]
staging: iio: ad5933: add ABI documentation
Add an ABI documentation for the ad5933 driver.
Signed-off-by: Marcelo Schmitt <marcelo.schmitt1@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Marcelo Schmitt [Sat, 16 Mar 2019 15:07:18 +0000 (12:07 -0300)]
staging: iio: ad5933: change help rule message
Remove the previous comment about direct access via sysfs which would
lead one think ad5933 driver has limitations it actually doesn't.
Signed-off-by: Marcelo Schmitt <marcelo.schmitt1@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Marcelo Schmitt [Sat, 16 Mar 2019 15:07:03 +0000 (12:07 -0300)]
staging: iio: ad5933: add SPDX identifier
Add SPDX identifier of GPL-2.0 for the ad5933 driver.
Signed-off-by: Marcelo Schmitt <marcelo.schmitt1@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Marcelo Schmitt [Sat, 16 Mar 2019 15:06:50 +0000 (12:06 -0300)]
staging: iio: ad5933: organize includes
Organize includes to list them in lexicographic order.
Signed-off-by: Marcelo Schmitt <marcelo.schmitt1@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Marcelo Schmitt [Sat, 16 Mar 2019 15:06:18 +0000 (12:06 -0300)]
staging: iio: ad5933: change multi-line comment style
Make multi-line comments compliant with the preferred code style.
Signed-off-by: Marcelo Schmitt <marcelo.schmitt1@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Renato Lui Geh [Sat, 16 Mar 2019 02:16:13 +0000 (23:16 -0300)]
staging: iio: ad7780: add device tree binding
Adds a device tree binding for the ad7780 driver.
Signed-off-by: Renato Lui Geh <renatogeh@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Renato Lui Geh [Sat, 16 Mar 2019 02:15:55 +0000 (23:15 -0300)]
staging: iio: ad7780: moving ad7780 out of staging
Move ad7780 ADC driver out of staging and into the mainline.
The ad7780 is a sigma-delta analog to digital converter. This driver provides
reading voltage values and status bits from both the ad778x and ad717x series.
Its interface also allows writing on the FILTER and GAIN GPIO pins on the
ad778x.
Signed-off-by: Renato Lui Geh <renatogeh@gmail.com>
Signed-off-by: Giuliano Belinassi <giuliano.belinassi@usp.br>
Co-developed-by: Giuliano Belinassi <giuliano.belinassi@usp.br>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Renato Lui Geh [Sat, 16 Mar 2019 02:15:26 +0000 (23:15 -0300)]
staging: iio: ad7780: add new copyright holder
This patch adds a new copyright holder to the ad7780 driver.
Signed-off-by: Renato Lui Geh <renatogeh@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Renato Lui Geh [Sat, 16 Mar 2019 02:15:13 +0000 (23:15 -0300)]
staging: iio: ad7780: add SPDX identifier
Add SPDX identifier (GPL-2.0) to the AD7780 driver.
Signed-off-by: Renato Lui Geh <renatogeh@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Renato Lui Geh [Sat, 16 Mar 2019 02:14:59 +0000 (23:14 -0300)]
staging: iio: ad7780: move regulator to after GPIO init
To maintain consistency between ad7780_probe and ad7780_remove orders,
regulator initialization has been moved to after GPIO initializations.
Signed-off-by: Renato Lui Geh <renatogeh@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Renato Lui Geh [Sat, 16 Mar 2019 02:14:27 +0000 (23:14 -0300)]
staging:iio:ad7780: add chip ID values and mask
The ad7780 supports both the ad778x and ad717x families. Each chip has
a corresponding ID. This patch provides a mask for extracting ID values
from the status bits and also macros for the correct values for the
ad7170, ad7171, ad7780 and ad7781.
Signed-off-by: Renato Lui Geh <renatogeh@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Renato Lui Geh [Sat, 16 Mar 2019 02:14:14 +0000 (23:14 -0300)]
staging: iio: ad7780: set pattern values and masks directly
The AD7780 driver contains status pattern bits designed for checking
whether serial transfers have been correctly performed. Pattern macros
were previously generated through bit fields. This patch sets good
pattern values directly and masks through GENMASK.
Signed-off-by: Renato Lui Geh <renatogeh@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Renato Lui Geh [Sat, 16 Mar 2019 02:13:42 +0000 (23:13 -0300)]
staging: iio: ad7780: add filter reading to ad778x
This patch adds the new feature of reading the filter odr value for
ad778x chips. This value is stored in the chip's state struct whenever a
read or write call is performed on the chip's driver.
This feature requires sharing SAMP_FREQ. Since the ad717x does not have
a filter option, the driver only shares the relevant info mask for the
ad778x family.
Signed-off-by: Renato Lui Geh <renatogeh@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Renato Lui Geh [Sat, 16 Mar 2019 02:13:13 +0000 (23:13 -0300)]
staging: iio: ad7780: add gain reading to ad778x
This patch adds a new functionality of reading gain values from the
ad778x chips. This value is stored in the chip's state struct and is
updated whenever a read or write call is performed on the driver.
Signed-off-by: Renato Lui Geh <renatogeh@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Renato Lui Geh [Sat, 16 Mar 2019 02:12:53 +0000 (23:12 -0300)]
staging: iio: ad7780: add missing switch default case
This patch simply adds a missing switch default case in read_raw.
Signed-off-by: Renato Lui Geh <renatogeh@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Renato Lui Geh [Sat, 16 Mar 2019 02:12:27 +0000 (23:12 -0300)]
staging: iio: ad7780: add gain & filter gpio support
Previously, the AD7780 driver only supported gpio for the 'powerdown'
pin. This commit adds suppport for the 'gain' and 'filter' pin.
Signed-off-by: Renato Lui Geh <renatogeh@gmail.com>
Signed-off-by: Giuliano Belinassi <giuliano.belinassi@usp.br>
Co-developed-by: Giuliano Belinassi <giuliano.belinassi@usp.br>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Gregory CLEMENT [Fri, 15 Mar 2019 09:52:31 +0000 (10:52 +0100)]
dt-bindings: iio: adc: lpc32xx-adc: Document vref-supply
As most of the other ADC the lpc32xx one use a vref-supply property:
document it.
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Gregory CLEMENT [Fri, 15 Mar 2019 09:52:30 +0000 (10:52 +0100)]
iio: adc: lpc32xx: Add scale feature
Until now this driver only exposed the raw value of the channels. With
this patch, the scale value is also exposed.
It depends of a regulator supply, and unlike most of the other driver, do
not having this regulator won't prevent to use the driver. The reason for
it is to allow to continue to use this driver with an old device tree. If
there is no regulator supply then the scale won't be exposed.
Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Gregory CLEMENT [Fri, 15 Mar 2019 09:52:29 +0000 (10:52 +0100)]
iio: adc: lpc32xx: Cleanup headers
A few headers is useless: remove them.
Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Gregory CLEMENT [Fri, 15 Mar 2019 09:52:28 +0000 (10:52 +0100)]
iio: adc: lpc32xx: Sort headers
Sort the headers in alphabetic order in order to ease the maintenance for
this part.
Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Mircea Caprioru [Fri, 15 Mar 2019 11:29:03 +0000 (13:29 +0200)]
staging: iio: adc: ad7192: Convert platform data to DT properties
This patch will remove platform data members and replace them with device
tree properties. These properties will be subject to further modifications
and probably replaced with other functionalities at some point in time.
Signed-off-by: Mircea Caprioru <mircea.caprioru@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Lorenzo Bianconi [Fri, 15 Mar 2019 10:08:25 +0000 (11:08 +0100)]
dt-bindings: iio: imu: st_lsm6dsx: add lsm6dsox device bindings
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Lorenzo Bianconi [Fri, 15 Mar 2019 10:08:24 +0000 (11:08 +0100)]
iio: imu: st_lsm6dsx: add support to LSM6DSOX
Add support to STM LSM6DSOX 6-axis (acc + gyro) Mems sensor
https://www.st.com/resource/en/datasheet/lsm6dsox.pdf
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Mircea Caprioru [Fri, 15 Mar 2019 11:14:25 +0000 (13:14 +0200)]
staging: iio: adc: ad7192: Report error directly in ad7192_setup
This patch removes the goto out statement and uninformative
print message. This improves readability.
Signed-off-by: Mircea Caprioru <mircea.caprioru@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Mircea Caprioru [Fri, 15 Mar 2019 11:29:02 +0000 (13:29 +0200)]
staging: iio: adc: ad7192: Use DT clock binding
This patch replaces the platform data clock select member with DT clock
binding. Through the DT the external clock binding is specified. If this is
not provided then the device will use the internal clock source.
With the external clock binding there is the option to use a clock or a
crystal as the clock source. When an external crystal is used it is
connected to MCLK1 and MCLK2 pins. If the external clock is used only MCLK2
pin will be connected.
Signed-off-by: Mircea Caprioru <mircea.caprioru@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Mircea Caprioru [Fri, 15 Mar 2019 11:14:24 +0000 (13:14 +0200)]
staging: iio: adc: ad7192: Fix identation
This patch fixes the odd indentation inside function ad7192_calibrate_all.
Signed-off-by: Mircea Caprioru <mircea.caprioru@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Colin Ian King [Thu, 14 Mar 2019 23:26:03 +0000 (23:26 +0000)]
iio: adc: ad7124 fix indentation issue, remove extra tab
A return statement is indented one level too deeply; clean this
up by removing a tab.
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Acked-by: Stefan Popa <stefan.popa@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Enric Balletbo i Serra [Wed, 13 Mar 2019 11:41:20 +0000 (12:41 +0100)]
iio: cros_ec: Switch to SPDX identifier.
Adopt the SPDX license identifier headers to ease license compliance
management. Also fix MODULE_LICENSE for cros_ec_accel_legacy to match
the SPDX and boiler plate license.
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Gwendal Grignou [Wed, 13 Mar 2019 11:40:50 +0000 (12:40 +0100)]
iio: cros_ec: Add kernel-doc for cros_ec_sensors_read_lpc
Document cros_ec_sensors_read_lpc, adding an additional note to explain
that this is the safe function for reading the EC data.
Signed-off-by: Gwendal Grignou <gwendal@chromium.org>
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Guenter Roeck [Wed, 13 Mar 2019 11:40:32 +0000 (12:40 +0100)]
iio: cros_ec: Drop unnecessary include files
The cros_ec sensors drivers do not call any sysfs functions
or use any sysfs defines, and thus do not need to include
linux/sysfs.h. Also, some cros_ec drivers include linux/delay.h
and is not used.
Signed-off-by: Guenter Roeck <groeck@chromium.org>
[remove linux/delay.h]
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Linus Walleij [Tue, 12 Mar 2019 08:40:18 +0000 (09:40 +0100)]
iio: pressure: bmp280: BMP280 calibration to entropy
The BMP280/BME280 calibration data should also go into the
entropy pool, like we do for BMP180.
This just adds the temperature and pressure calibration, the
humidity calibration seems like too much annoying calls to
add.
Cc: Tomasz Duszynski <tduszyns@gmail.com>
Cc: Stefan Tatschner <stefan.tatschner@gmail.com>
Cc: Andreas Klinger <ak@it-klinger.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Stefan Popa [Mon, 11 Mar 2019 09:46:37 +0000 (11:46 +0200)]
dt-bindings: iio: imu: adis16480: Document external clock
Add documentation for optional use of external clock. All devices
supported by this driver can work with an external clock in sync mode.
Another mode, called Pulse Per Second (PPS) is supported only by adis1649x
devices. The mode is selected by using the "clock-names" property.
The pin which is used as external clock input is selected by using a
custom optional property called "adi,ext-clk-pin". If this field is left
empty, DIO2 is assigned as default external clock input pin.
Signed-off-by: Stefan Popa <stefan.popa@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Stefan Popa [Mon, 11 Mar 2019 09:45:29 +0000 (11:45 +0200)]
iio: imu: adis16480: Add support for external clock
Inertial sensor data collection and processing can be controlled by
configuring one of the DIOx lines as an external clock input. This
option is available for all devices supported by this driver. However,
only adis1649x devices support different modes for the external clock.
Sync mode is supported by all devices. In this mode, the output data
rate is equal with the clock frequency divided by DEC_RATE + 1. This
mode of calculation is similar with the case when the internal clock is
used.
Pulse Per Second (PPS) Mode, is only supported by adis1649x devices. In
this mode, the output data rate is equal to the product of the external
clock frequency and the scale factor in the SYNC_SCALE register.
This patch uses the "clock-names" property to enable the external clock
in one of the two supported modes: "sync" or "pps". This property is
optional. If it is not specified, the internal clock is used.
This patch also offers the option to select the DIOx line to be used as
an external clock input via the custom "adi,ext-clk-pin" property. If this
field is left empty, DIO2 is assigned as default external clock input pin.
Each DIOx pin supports only one function at a time (data ready line
selection or external clock input).
Signed-off-by: Stefan Popa <stefan.popa@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Jonathan Cameron [Wed, 20 Feb 2019 18:23:44 +0000 (18:23 +0000)]
iio:dac:ad5064 mlock cleanup - move to a local lock.
indio_dev->mlock is intended to protect state transitions in
the core. It's scope is tightly defined. For device specific
uses such as those made here, we should define a local lock
allowing the scope of the lock to be defined near to what it
is protecting.
These mlock changes can be non obvious, but given we don't do
anything other than direct for DACs, these ones are easy to do.
If anyone wants to help with this particular effort it would
be most welcome!
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Enrico Weigelt, metux IT consult [Wed, 6 Mar 2019 14:52:23 +0000 (15:52 +0100)]
drivers: iio: Kconfig: pedantic cleanup
Formatting of Kconfig files doesn't look so pretty, so just
take damp cloth and clean it up.
Signed-off-by: Enrico Weigelt, metux IT consult <info@metux.net>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Nathan Chancellor [Thu, 7 Mar 2019 17:16:04 +0000 (10:16 -0700)]
iio: adc: stmpe-adc: Shuffle an if statement around in stmpe_adc_isr
When building with -Wsometimes-uninitialized, Clang warns:
drivers/iio/adc/stmpe-adc.c:204:13: warning: variable 'data' is used uninitialized whenever 'if' condition is false [-Wsometimes-uninitialized]
Clang can't tell that data will never be used uninitialized because the
two if statements take care of all cases. Remove the first if statement
and make it the else branch of the second one so that it is apparent to
Clang that all cases are covered.
Link: https://github.com/ClangBuiltLinux/linux/issues/387
Suggested-by: Nick Desaulniers <ndesaulniers@google.com>
Signed-off-by: Nathan Chancellor <natechancellor@gmail.com>
Reviewed-by: NIck Desaulniers <ndesaulniers@google.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Nathan Chancellor [Thu, 7 Mar 2019 21:45:46 +0000 (14:45 -0700)]
iio: common: ssp_sensors: Initialize calculated_time in ssp_common_process_data
When building with -Wsometimes-uninitialized, Clang warns:
drivers/iio/common/ssp_sensors/ssp_iio.c:95:6: warning: variable
'calculated_time' is used uninitialized whenever 'if' condition is false
[-Wsometimes-uninitialized]
While it isn't wrong, this will never be a problem because
iio_push_to_buffers_with_timestamp only uses calculated_time
on the same condition that it is assigned (when scan_timestamp
is not zero). While iio_push_to_buffers_with_timestamp is marked
as inline, Clang does inlining in the optimization stage, which
happens after the semantic analysis phase (plus inline is merely
a hint to the compiler).
Fix this by just zero initializing calculated_time.
Link: https://github.com/ClangBuiltLinux/linux/issues/394
Signed-off-by: Nathan Chancellor <natechancellor@gmail.com>
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Sven Van Asbroeck [Fri, 8 Mar 2019 17:59:35 +0000 (12:59 -0500)]
iio: proximity: as3935: fix use-after-free on device remove
This driver's probe() uses a mix of devm_ and non-devm_ functions. This
means that the remove order will not be the exact opposite of the probe
order.
Remove order:
1. remove() executes:
iio_device_unregister
iio_triggered_buffer_cleanup
iio_trigger_unregister
(A)
2. core frees devm resources in reverse order:
free_irq
iio_trigger_free
iio_device_free
In (A) the trigger has been unregistered, but the irq handler is still
registered and active, so the trigger may still be touched via
interrupt -> as3935_event_work. This is a potential use-after-unregister.
Given that the delayed work is never canceled explicitly, it may run even
after iio_device_free. This is a potential use-after-free.
Solution: convert all probe functions to their devm_ equivalents.
Add a devm callback, called by the core on remove right after irq_free,
which explicitly cancels the delayed work. This will guarantee that all
resources are freed in the correct order.
As an added bonus, some boilerplate code can be removed.
Signed-off-by: Sven Van Asbroeck <TheSven73@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Anderson Reis [Fri, 8 Mar 2019 19:46:55 +0000 (16:46 -0300)]
iio:potentiostat:lmp91000: change dev_err message
Change dev_err message on line 215 in order to inform that
tia-gain-ohm is not defined and an external resistor is not
specified.
Signed-off-by: Anderson Reis <andersonreisrosa@gmail.com>
Signed-off-by: Lucas Oshiro <lucasseikioshiro@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Anderson Reis [Fri, 8 Mar 2019 19:46:54 +0000 (16:46 -0300)]
iio:potentiostat:lmp91000: invert if statement
Invert if statement arms in line 214, in order to make the code cleaner,
solve these checkpatch.pl CHECKs:
- lmp9100.c:214: CHECK: braces {} should be used on all arms of this statement
- lmp9100.c:216: CHECK: Unbalanced braces around else statement
Signed-off-by: Lucas Oshiro <lucasseikioshiro@gmail.com>
Signed-off-by: Anderson Reis <andersonreisrosa@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Anderson Reis [Fri, 8 Mar 2019 19:46:53 +0000 (16:46 -0300)]
iio:potentiostat:lmp91000: reduce line width and remove blank line
Break the line 258 in order fit the line width on 80 characters. Remove
the blank line 279, as the line before is also a blank line. Solve these
checkpath.el WARNING and CHECK:
- lmp91000.c:258: WARNING: line over 80 characters
- lmp91000.c:279: CHECK: Please don't use multiple blank lines
Signed-off-by: Lucas Oshiro <lucasseikioshiro@gmail.com>
Signed-off-by: Anderson Reis <andersonreisrosa@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Lucas Oshiro [Fri, 8 Mar 2019 19:46:52 +0000 (16:46 -0300)]
iio:potentiostat:lmp91000: remove unnecessary parentheses
Remove unnecessary parentheses on line 116.
Signed-off-by: Lucas Oshiro <lucasseikioshiro@gmail.com>
Signed-off-by: Anderson Reis <andersonreisrosa@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Justin Chen [Fri, 8 Mar 2019 22:03:28 +0000 (14:03 -0800)]
iio: adc: ti-ads7950: add GPIO support
The ADS79XX has GPIO pins that can be used. Add support for the GPIO
pins using the GPIO chip framework.
Signed-off-by: Justin Chen <justinpopo6@gmail.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Kangjie Lu [Sat, 9 Mar 2019 04:53:55 +0000 (22:53 -0600)]
iio: adc: fix a potential NULL pointer dereference
devm_iio_trigger_alloc may fail and return NULL. The fix returns
ENOMEM when it fails.
Signed-off-by: Kangjie Lu <kjlu@umn.edu>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Sean Nyekjaer [Tue, 5 Mar 2019 07:36:27 +0000 (08:36 +0100)]
iio: dac: ti-
dac5571: Update the module author email address
Update the module author to the current email address
Signed-off-by: Sean Nyekjaer <sean@geanix.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Sean Nyekjaer [Tue, 5 Mar 2019 07:36:26 +0000 (08:36 +0100)]
iio: adc: ti-ads8688: Update the module author email address
Update the module author to the current email address.
Signed-off-by: Sean Nyekjaer <sean@geanix.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Robert Yang [Mon, 4 Mar 2019 15:19:12 +0000 (10:19 -0500)]
iio: accel: kxcjk1013: Add device tree support
Add device tree support for kxcjk-1013 accelerometer sensors.
Signed-off-by: Robert Yang <decatf@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Robert Yang [Mon, 4 Mar 2019 15:19:11 +0000 (10:19 -0500)]
dt-bindings: iio: accel: kxcjk1013: Add device tree binding documentation
Document device tree bindings for Kionix KXCJK-1013 Accelerometer driver.
Signed-off-by: Robert Yang <decatf@gmail.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Robert Yang [Mon, 4 Mar 2019 15:19:10 +0000 (10:19 -0500)]
dt-bindings: Add vendor prefix for Kionix, Inc.
Kionix manufactured MEMs sensors. There are Kionix acceleromoter sensor
drivers which can be used with device tree.
Signed-off-by: Robert Yang <decatf@gmail.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Neil Armstrong [Mon, 4 Mar 2019 11:12:17 +0000 (12:12 +0100)]
iio: adc: meson-saradc: add support for Meson G12A
Add the SAR ADC driver for the Amlogic Meson-G12A SoC.
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Neil Armstrong [Mon, 4 Mar 2019 11:12:16 +0000 (12:12 +0100)]
dt-bindings: iio: adc: document the Meson G12A support
Update the documentation to explicitly support the Meson-G12A SoC.
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Sean Nyekjaer [Mon, 4 Mar 2019 10:08:08 +0000 (11:08 +0100)]
mailmap: Update email for Sean Nyekjaer
As I'll no longer be working with Prevas, add a mailmap entry so
any mail directed towards me reaches the appropriate mailbox.
Signed-off-by: Sean Nyekjaer <sean@geanix.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Andy Shevchenko [Mon, 4 Mar 2019 08:55:40 +0000 (10:55 +0200)]
iio: buffer: Switch to bitmap_zalloc()
Switch to bitmap_zalloc() to show clearly what we are allocating.
Besides that it returns pointer of bitmap type instead of opaque void *.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Gustavo A. R. Silva [Thu, 21 Feb 2019 02:06:33 +0000 (20:06 -0600)]
iio: cros_ec_accel_legacy: Refactor code in cros_ec_accel_legacy_probe
Refactor some code in order to fix both the technical implementation
and the following warnings:
drivers/iio/accel/cros_ec_accel_legacy.c: In function ‘cros_ec_accel_legacy_probe’:
drivers/iio/accel/cros_ec_accel_legacy.c:387:36: warning: this statement may fall through [-Wimplicit-fallthrough=]
ec_accel_channels[X].scan_index = Y;
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~
drivers/iio/accel/cros_ec_accel_legacy.c:388:3: note: here
case Y:
^~~~
drivers/iio/accel/cros_ec_accel_legacy.c:389:36: warning: this statement may fall through [-Wimplicit-fallthrough=]
ec_accel_channels[Y].scan_index = X;
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~
drivers/iio/accel/cros_ec_accel_legacy.c:390:3: note: here
case Z:
^~~~
Notice that neither the for loop nor the switch statement is needed.
Also, "state->sign[Y] = 1" should be unconditional.
This patch is part of the ongoing efforts to enable
-Wimplicit-fallthrough.
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Acked-by: Kees Cook <keescook@chromium.org>
Acked-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Colin Ian King [Thu, 21 Feb 2019 10:46:36 +0000 (10:46 +0000)]
iio: st_accel: remove redundant unsigned less than zero check
The check that variable val is less than zero is redundant since val
is an unsigned int and hence can never be less than zero. Remove it.
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Lorenzo Bianconi [Thu, 21 Feb 2019 15:20:21 +0000 (16:20 +0100)]
dt-bindings: iio: imu: st_lsm6dsx: add asm330lhh device bindings
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Lorenzo Bianconi [Thu, 21 Feb 2019 15:20:20 +0000 (16:20 +0100)]
iio: imu: st_lsm6dsx: add support to ASM330LHH
Add support to STM ASM330LHH 6-axis (acc + gyro) Mems sensor
https://www.st.com/resource/en/datasheet/asm330lhh.pdf
Tested-by: Mario Tesi <mario.tesi@st.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
H. Nikolaus Schaller [Thu, 21 Feb 2019 17:02:55 +0000 (18:02 +0100)]
iio: ak8975: improve code readability
- use temporary variable in get_mount_matrix()
- remove , after { }
Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
H. Nikolaus Schaller [Thu, 21 Feb 2019 17:02:54 +0000 (18:02 +0100)]
iio: mpu6050: improve code readability
- use temporary variable in get_mount_matrix()
- remove , after { }
Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
H. Nikolaus Schaller [Thu, 21 Feb 2019 17:02:53 +0000 (18:02 +0100)]
iio: magnetometer: hmc5843: add mount matrix support
This patch allows to read a mount-matrix device tree
property and report to user-space or in-kernel iio
clients.
Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
H. Nikolaus Schaller [Thu, 21 Feb 2019 17:02:52 +0000 (18:02 +0100)]
iio: magnetometer: bmc150: add mount matrix support
This patch allows to read a mount-matrix device tree
property and report to user-space or in-kernel iio
clients.
Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>