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2016-04-03hp206c: Initial support for reading sensor valuesCrestez Dan Leonard3-0/+437
Signed-off-by: Crestez Dan Leonard <leonard.crestez@intel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-04-03iio: Add channel for UV indexPeter Meerwald-Stadler1-0/+1
UV index indicating strength of sunburn-producing ultraviolet (UV) radiation Signed-off-by: Peter Meerwald-Stadler <pmeerw@pmeerw.net> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-04-03iio: Add modifier for UV lightPeter Meerwald-Stadler1-0/+1
Signed-off-by: Peter Meerwald-Stadler <pmeerw@pmeerw.net> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-04-03iio: ina2xx-adc: fix scale for VShuntMarc Titinger1-2/+2
The scale would result in uV instead of expected mV. Mostly cosmetic, since the value of 'Power' was computed OK. Signed-off-by: Marc Titinger <marc.titinger@baylibre.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-04-03iio:adc:at91-sama5d2: add support for differential conversionsLudovic Desroches1-15/+56
Add signed differential channels and update the voltage scale for differential conversions. Signed-off-by: Ludovic Desroches <ludovic.desroches@atmel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-04-03iio:adc:at91-sama5d2: cleanup mode register useLudovic Desroches1-5/+10
Do not erase previous configuration of the mode register when setting the sampling frequency. Signed-off-by: Ludovic Desroches <ludovic.desroches@atmel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-04-03iio: potentiometer: add driver for Microchip MCP413X/414X/415X/416X/423X/424X/425X/426XSlawomir Stepien3-0/+513
The following functionalities are supported: - write, read from volatile memory Datasheet: http://ww1.microchip.com/downloads/en/DeviceDoc/22060b.pdf Signed-off-by: Slawomir Stepien <sst@poczta.fm> Reviewed-by: Joachim Eastwood <manabian@gmail.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-04-03iio: st_magn: always define ST_MAGN_TRIGGER_SET_STATEArnd Bergmann1-0/+1
When CONFIG_IIO_TRIGGER is enabled but CONFIG_IIO_BUFFER is not, we get a build error in the st_magn driver: drivers/iio/magnetometer/st_magn_core.c:573:23: error: 'ST_MAGN_TRIGGER_SET_STATE' undeclared here (not in a function) .set_trigger_state = ST_MAGN_TRIGGER_SET_STATE, ^~~~~~~~~~~~~~~~~~~~~~~~~ Apparently, this ST_MAGN_TRIGGER_SET_STATE macro was meant to be set to NULL when the definition is not available because st_magn_buffer.c is not compiled, but the alternative definition was not included in the original patch. This adds it. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Fixes: 74f5683f35fe ("iio: st_magn: Add irq trigger handling") Acked-by: Denis Ciocca <denis.ciocca@st.com> Cc: <Stable@vger.kernel.org> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-04-03iio: remove gpio interrupt probing from drivers that use a single interruptIrina Tirdea2-57/+0
Commit 845c877009cf014b ("i2c / ACPI: Assign IRQ for devices that have GpioInt automatically") automatically assigns the first ACPI GPIO interrupt in client->irq, so we can remove the probing code from drivers that use only one interrupt. Commit 0f0796509c07c1c7 ("iio: remove gpio interrupt probing from drivers that use a single interrupt") removes gpio interrupt probing from most drivers. This patch cleans the remaining ones. Signed-off-by: Irina Tirdea <irina.tirdea@intel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-04-03iio: remove unused gpio consumer.h includeIrina Tirdea8-8/+0
GPIO handling code has been removed from the drivers (since this is now handled by the ACPI core) in commit 0f0796509c07 ("iio: remove gpio interrupt probing from drivers that use a single interrupt"). Remove the include for linux/gpio/consumer.h since it is no longer used. Signed-off-by: Irina Tirdea <irina.tirdea@intel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-04-03iio: accel: kxcjk-1013: optimize i2c transfers in trigger handlerAdriana Reus1-11/+8
Some i2c busses (e.g.: Synopsys DesignWare I2C adapter) need to enable/disable the bus at each i2c transfer and must wait for the enable/disable to happen before sending the data. When reading data in the trigger handler, the kxcjk-1013 accel driver does one i2c transfer for each axis. This has an impact on the frequency of the accelerometer at high sample rates due to additional delays introduced by the i2c bus at each transfer. Reading all axis values in one i2c transfer reduces the delays introduced by the i2c bus. Uses i2c_smbus_read_i2c_block_data_or_emulated that will fallback to reading each axis as a separate word in case i2c block read is not supported. Signed-off-by: Adriana Reus <adriana.reus@intel.com> Signed-off-by: Irina Tirdea <irina.tirdea@intel.com> Acked-by: Jonathan Cameron <jic23@kernel.org> Acked-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-04-03iio: accel: kxcjk-1013: use available_scan_masksAdriana Reus1-2/+5
Use available_scan_masks to allow the iio core to select the data to send to userspace depending on which axes are enabled, instead of doing this in the driver's interrupt handler. Signed-off-by: Adriana Reus <adriana.reus@intel.com> Signed-off-by: Irina Tirdea <irina.tirdea@intel.com> Acked-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-04-03iio: accel: bmg160: optimize transfers in trigger handlerIrina Tirdea1-11/+6
Some i2c busses (e.g.: Synopsys DesignWare I2C adapter) need to enable/disable the bus at each i2c transfer and must wait for the enable/disable to happen before sending the data. When reading data in the trigger handler, the bmg160 gyro driver does one bus transfer for each axis. This has an impact on the frequency of the accelerometer at high sample rates due to additional delays introduced by the bus at each transfer. Reading all axis values in one bus transfer reduces the delays introduced by the bus. Signed-off-by: Irina Tirdea <irina.tirdea@intel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-04-03iio: gyro: bmg160: use available_scan_masksIrina Tirdea1-2/+7
Use available_scan_masks to allow the iio core to select the data to send to userspace depending on which axes are enabled, instead of doing this in the driver's interrupt handler. Signed-off-by: Irina Tirdea <irina.tirdea@intel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-04-03iio: accel: bmc150: optimize transfers in trigger handlerIrina Tirdea1-12/+6
Some i2c busses (e.g.: Synopsys DesignWare I2C adapter) need to enable/disable the bus at each i2c transfer and must wait for the enable/disable to happen before sending the data. When reading data in the trigger handler, the bmc150 accel driver does one bus transfer for each axis. This has an impact on the frequency of the accelerometer at high sample rates due to additional delays introduced by the bus at each transfer. Reading all axis values in one bus transfer reduces the delays introduced by the bus. Signed-off-by: Irina Tirdea <irina.tirdea@intel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-04-03iio: accel: bmc150: use available_scan_masksIrina Tirdea1-2/+7
Use available_scan_masks to allow the iio core to select the data to send to userspace depending on which axes are enabled, instead of doing this in the driver's interrupt handler. Signed-off-by: Irina Tirdea <irina.tirdea@intel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-04-03iio: potentiometer: mcp4531: use pointer to access model parametersSlawomir Stepien1-7/+6
Use const pointer to element from model configuration array rather then array index, as it will not change anyway. Signed-off-by: Slawomir Stepien <sst@poczta.fm> Signed-off-by: Peter Rosin <peda@axentia.se> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-03-28iio: fix config watermark initial valueIrina Tirdea1-0/+1
config structure is set to 0 when updating the buffers, so by default config->watermark will be 0. When computing the minimum between config->watermark and the buffer->watermark or insert_buffer-watermark, this will always be 0 regardless of the value set by the user for the buffer. Set as initial value for config->watermark the maximum allowed value so that the minimum value will always be set from one of the buffers. Signed-off-by: Irina Tirdea <irina.tirdea@intel.com> Fixes: f0566c0c405d ("iio: Set device watermark based on watermark of all attached buffers") Cc: <Stable@vger.kernel.org> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-03-28iio: health: max30100: correct FIFO check conditionMatt Ranostay1-1/+2
Correct issue that the last entry in FIFO was being read twice due to an incorrect decrement of entry count variable before condition check. Signed-off-by: Matt Ranostay <mranostay@gmail.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-03-28iio: imu: Fix inv_mpu6050 dependenciesRichard Weinberger1-2/+1
Not all archs have io memory. Instead of selecting I2C_MUX (and bypassing the HAS_IOMEM dependency) depend directly on it. Fixes the following kconfig warning: warning: (MEDIA_SUBDRV_AUTOSELECT && VIDEO_CX231XX && INV_MPU6050_I2C) selects I2C_MUX which has unmet direct dependencies (I2C && HAS_IOMEM) And this build error: ERROR: "devm_ioremap_resource" [drivers/i2c/muxes/i2c-mux-reg.ko] undefined! ERROR: "of_address_to_resource" [drivers/i2c/muxes/i2c-mux-reg.ko] undefined! Cc: Jonathan Cameron <jic23@kernel.org> Cc: Hartmut Knaack <knaack.h@gmx.de> Cc: Lars-Peter Clausen <lars@metafoo.de> Cc: Peter Meerwald <pmeerw@pmeerw.net> Signed-off-by: Richard Weinberger <richard@nod.at> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-03-28iio: adc: Fix build error of missing devm_ioremap_resource on UMKrzysztof Kozlowski1-0/+1
The devres.o gets linked if HAS_IOMEM is present so on ARCH=um allyesconfig (COMPILE_TEST) failed with: drivers/built-in.o: In function `at91_adc_probe': at91-sama5d2_adc.c:(.text+0x48f548): undefined reference to `devm_ioremap_resource' Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-03-28iio: st_sensors: simplify buffer address handlingLinus Walleij1-21/+7
The driver goes to some length to dynamically allocate an array to hold the channel addresses. However no ST sensor has more than three channels (x, y, z at most). Instead of kmalloc():ing and kfree():in the address array, just use a fixed array of three elements. Cc: Giuseppe Barba <giuseppe.barba@st.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Acked-by: Denis Ciocca <denis.ciocca@st.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-03-21iio: ina2xx-adc: update the CALIB. register when RShunt changesMarc Titinger1-15/+24
The user (or an init script) may setup RShunt via sysfs after the driver was initialized, for instance based on the EEPROM contents of a modular probe. The calibration register must be set accordingly. Signed-off-by: Marc Titinger <marc.titinger@baylibre.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-03-20iio:magnetometer:ak8975: fix missing regulator_disableGregor Boirie1-18/+60
Ensure optional regulator is properly disabled when present. Fixes: 63d5d525cbbc ("iio:magnetometer:ak8975: power regulator support") Signed-off-by: Gregor Boirie <gregor.boirie@parrot.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-03-20iio: light: tsl2563: Remove flush_scheduled_workAmitoj Kaur Chawla1-2/+1
flush_scheduled_work is scheduled for deprecation. Replace cancel_delayed_work and flush_scheduled_work with cancel_delayed_work_sync instead to ensure there is no pending or running work item. Since there is only one work item, chip->poweroff_work, there are no further dependencies of flush_scheduled_work(). Acked-by: Tejun Heo <tj@kernel.org> Signed-off-by: Amitoj Kaur Chawla <amitoj1606@gmail.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-03-20iio:pressure:ms5611: fix missing regulator_disableGregor Boirie2-9/+35
Ensure optional regulator is properly disabled when present. Fixes: 3145229f9191 ("iio:pressure:ms5611: power regulator support") Signed-off-by: Gregor Boirie <gregor.boirie@parrot.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-03-20iio: imu: mpu6050: Fix name/chip_id when using ACPIDaniel Baluta1-3/+26
When using ACPI, id is NULL and the current code automatically defaults name to NULL and chip id to 0. We should instead use the data provided in the ACPI device table. Fixes: c816d9e7a57b ("iio: imu: mpu6050: fix possible NULL dereferences") Signed-off-by: Daniel Baluta <daniel.baluta@intel.com> Reviewed-By: Matt Ranostay <matt.ranostay@intel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-03-20iio: light: apds9960: correct FIFO check conditionMatt Ranostay1-1/+2
Correct issue that the last entry in FIFO was being read twice due to an incorrect decrement of entry count variable before condition check. Signed-off-by: Matt Ranostay <mranostay@gmail.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-03-20iio: adc: max1363: correct reference voltageStefan Eichenberger1-4/+4
Swap max11644/max11645 and max 11646/max11647 reference voltages according to datasheet. Signed-off-by: Stefan Eichenberger <stefan.eichenberger@netmodule.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-03-20iio: adc: max1363: add missing adc to max1363_idStefan Eichenberger1-0/+4
max11644-max11647 had an enum value but were not added to the max1363_id, so they where not selectable in the devictree. Signed-off-by: Stefan Eichenberger <stefan.eichenberger@netmodule.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-03-20iio: adc: rockchip_saradc: add saradc support for rk3399David Wu1-0/+19
The ADC is a 6-channel signal-ended 10-bit Successive Approximation Register (SAR) A/D Converter. Signed-off-by: David Wu <david.wu@rock-chips.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-03-20iio: mma8452: use runtime pm instead of device specific autosleepMartin Kepplinger1-1/+1
What is this autosleep? ----------------------- It slows down the device after x seconds of inactivity. The thing is, we have really achieved almost the same by runtime pm. differnces are: autosleep * uses more power during inactivity * the first read after inactivity slightly faster * complicated to understand for the user * no documented sysfs interface (afaik) * complicated to read and maintain runtime pm * already merged in mma8452 * uses less power during inactivity * first read after inactivity slower * easy to use. well documented. * easy to maintain and understand The two approaches solve the same problem. runtime pm has more advantages than autosleep and comes quite close to it's behaviour anyways. As I see it, autosleep, even if somehow supported, would never be used anyways. So resolve this issue by "ignoring" autosleep. Signed-off-by: Martin Kepplinger <martink@posteo.de> Reviewed-by: Martina Kepplinger <martina.novakovic@zoho.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-03-20iio: mma8452: add i2c_device_id for mma8451Martin Kepplinger1-0/+1
This was forgotten about and is added for consistency now Signed-off-by: Martin Kepplinger <martink@posteo.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-03-18Merge tag 'mfd-for-linus-4.6' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfdLinus Torvalds3-0/+425
Pull MFD updates from Lee Jones: "New Drivers: - Freescale Touch Screen ADC - X-Powers AXP PMIC with RSB - TI TPS65086 Power Management IC (PMIC) New Device Support: - Supply device PCI IDs for Intel Broxton Fix-ups: - Move to clkdev_create() API; intel_quark_i2c_gpio - Complete re-write of TI's TPS65912 Power Management IC (PMIC) - Remove unnecessary function argument; axp20x - Separate out bus related code; axp20x - Coding Style changes; axp20x - Allow more drivers to be compiled as modules - Work around false positive 'used uninitialised' warning; db8500-prcmu Bug Fixes: - Remove do_div(); fsl-imx25-gcq - Fix driver init when built-in; tps65010 - Fix clock-unregister leak; intel-lpss" * tag 'mfd-for-linus-4.6' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (53 commits) mfd: intel-lpss: Pass I2C configuration via properties on BXT mfd: imx6sx: Add PCIe register definitions for iomuxc gpr mfd: ipaq-micro: Use __maybe_unused to hide pm functions mfd: max77686: Add max77802 to I2C device ID table mfd: max77686: Export OF module alias information mfd: max77686: Allow driver to be built as a module mfd: stmpe: Add the proper PWM resources mfd: tps65090: Set regmap config reg counts properly mfd: syscon: Return ENOTSUPP instead of ENOSYS when disabled mfd: as3711: Set regmap config reg counts properly mfd: rc5t583: Set regmap config reg counts properly gpio: tps65086: Add GPO driver for the TPS65086 PMIC mfd: mt6397: Add platform device ID table mfd: da9063: Fix missing volatile registers in the core regmap_range volatile lists mfd: mt6397: Add MT6323 support to MT6397 driver mfd: mt6397: Add support for different Slave types mfd: mt6397: int_con and int_status may vary in location dt-bindings: mfd: Add bindings for the MediaTek MT6323 PMIC mfd: da9062: Fix missing volatile registers in the core regmap_range volatile lists mfd: Add documentation for ACT8945A DT bindings ...
2016-03-12iio: dac: add NXP LPC18xx DAC driverJoachim Eastwood3-0/+221
Add base support for the 10-bit DAC peripheral found on NXP LPC18xx/43xx SoCs. This is a minimal driver that does not support DMA or interrupts. User manual with register description can be found on: LPC18xx: www.nxp.com/documents/user_manual/UM10430.pdf LPC43xx: www.nxp.com/documents/user_manual/UM10503.pdf Signed-off-by: Joachim Eastwood <manabian@gmail.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-03-12iio: adc: add NXP LPC18xx ADC driverJoachim Eastwood3-0/+242
Add base support for the 10-bit SAR ADC peripheral found on NXP LPC18xx/43xx SoCs. This is a minimal driver that does not support burst mode, interrupts, DMA or hardware triggers. User manual with register description can be found on: LPC18xx: www.nxp.com/documents/user_manual/UM10430.pdf LPC43xx: www.nxp.com/documents/user_manual/UM10503.pdf Signed-off-by: Joachim Eastwood <manabian@gmail.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-03-12iio: core: implement iio_device_{claim|release}_direct_mode()Alison Schofield1-0/+39
It is often the case that the driver wants to be sure a device stays in direct mode while it is executing a task or series of tasks. To accomplish this today, the driver performs this sequence: 1) take the device state lock, 2) verify it is not in a buffered mode, 3) execute some tasks, and 4) release that lock. This patch introduces a pair of helper functions that simplify these steps and make it more semantically expressive. iio_device_claim_direct_mode() If the device is not in any buffered mode it is guaranteed to stay that way until iio_release_direct_mode() is called. iio_device_release_direct_mode() Release the claim. Device is no longer guaranteed to stay in direct mode. Signed-off-by: Alison Schofield <amsfield22@gmail.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-03-12iio: mma8452: add support for FXLS8471QMartin Kepplinger2-1/+24
This adds support for Freescale's (now NXP's) FXLS8471Q accelerometer. We use MMA8451Q's configuration because for what the driver supports, FXLS8471Q is the same. Support for FXLS8471Q's features (fast SPI interface and a larger FIFO, among others) can be added to this driver anytime. See it's datasheet for the details: http://cache.nxp.com/files/sensors/doc/data_sheet/FXLS8471Q.pdf Signed-off-by: Martin Kepplinger <martink@posteo.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-03-12iio: accel: Add support for the h3lis331dl accelerometerTiberiu Breana4-1/+98
This commit adds support for STMicroelectronics h3lis331dl high-g accelerometer. The datasheet for this device can be found here: http://www.st.com/web/en/resource/technical/document/ datasheet/DM00053090.pdf Signed-off-by: Tiberiu Breana <tiberiu.a.breana@intel.com> Reviewed-by: Denis Ciocca <denis.ciocca@st.com> Acked-by: Denis Ciocca <denis.ciocca@st.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-03-09iio: adc/imx25-gcq: Move incorrect do_divArnd Bergmann1-1/+1
The newly added driver uses do_div() to device a 32-bit number, which now provokes a warning: drivers/iio/adc/fsl-imx25-gcq.c: In function 'mx25_gcq_setup_cfgs': include/asm-generic/div64.h:207:28: warning: comparison of distinct pointer types lacks a cast (void)(((typeof((n)) *)0) == ((uint64_t *)0)); \ This replaces the do_div() call with a straight division operator. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Fixes: 6df2e98c3ea5 ("iio: adc: Add imx25-gcq ADC driver") Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-03-05iio: adc: Fix build error of missing devm_ioremap_resource on UMKrzysztof Kozlowski1-0/+1
The devres.o gets linked if HAS_IOMEM is present so on ARCH=um allyesconfig (COMPILE_TEST) failed with: drivers/built-in.o: In function `at91_adc_probe': at91-sama5d2_adc.c:(.text+0x48f548): undefined reference to `devm_ioremap_resource' Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-03-05iio: imu: mpu6050: fix possible NULL dereferencesMatt Ranostay2-2/+4
Fix possible null dereferencing of i2c and spi driver data. Signed-off-by: Matt Ranostay <matt.ranostay@intel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-03-05iio: mma8452: add support for runtime power managementMartin Kepplinger1-10/+108
This adds support for runtime power management and, if configured, activates automatic standby after 2 seconds of inactivity. Inactivity means no read of acceleration values and no events triggered or activated. If CONFIG_PM is not set, this doesn't change anything for existing users. Signed-off-by: Martin Kepplinger <martink@posteo.de> Signed-off-by: Christoph Muellner <christoph.muellner@theobroma-systems.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-03-05iio: mma8452: avoid switching to active because of config changeMartin Kepplinger1-6/+29
The devices' config registers can only be changed in standby mode. Up until now the driver just held the device *always* active, so for changing a config it was *always* necessary to switch to standby. For upcoming support for runtime pm, the device can as well be in standby mode. Instead of putting runtime pm functions in there, just keep the device in standby if it already is. This section is protected by a lock after all. Signed-off-by: Martin Kepplinger <martink@posteo.de> Signed-off-by: Christoph Muellner <christoph.muellner@theobroma-systems.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-03-05iio: mma8452: coding style fixesMartin Kepplinger1-4/+6
fix checkpatch issues like "space before tabs", too long lines or alignment. Signed-off-by: Martin Kepplinger <martink@posteo.de> Signed-off-by: Christoph Muellner <christoph.muellner@theobroma-systems.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-03-05iio:magnetometer:ak8975: power regulator supportGregor Boirie1-0/+16
Add support for an optional regulator which, if found into device-tree, will power on device at probing time. The regulator is declared into ak8975 DTS entry as a "vdd-supply" property. Signed-off-by: Gregor Boirie <gregor.boirie@parrot.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-03-05iio:magnetometer:ak8975: remove unused fieldGregor Boirie1-1/+0
Remove unused struct ak8975_data attrs field. Signed-off-by: Gregor Boirie <gregor.boirie@parrot.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-03-05iio:magnetometer:ak8975: fix uninitialized chipsetGregor Boirie1-1/+4
ak_def_array bounds are not properly checked in case of ACPI matching failure. GCC warns with the following message at line 799: ‘chipset’ may be used uninitialized in this function. Signed-off-by: Gregor Boirie <gregor.boirie@parrot.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-03-05iio:adc:at91-sama5d2: fix identationLudovic Desroches1-10/+10
Remove some extra tabs. Signed-off-by: Ludovic Desroches <ludovic.desroches@atmel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-03-05iio:adc:at91-sama5d2: fix typoLudovic Desroches1-13/+13
Fix typo in the name of a macro. Signed-off-by: Ludovic Desroches <ludovic.desroches@atmel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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