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* Add tsys02d meas-spec driver supportLudovic Tancerel2015-10-113-0/+203
| | | | | | | Support for TSYS02D temperature sensor Signed-off-by: Ludovic Tancerel <ludovic.tancerel@maplehightech.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
* Add tsys01 meas-spec driver supportLudovic Tancerel2015-10-043-0/+242
| | | | | | | Support for TSYS01 temperature sensor Signed-off-by: Ludovic Tancerel <ludovic.tancerel@maplehightech.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
* Add meas-spec sensors common partLudovic Tancerel2015-10-046-0/+730
| | | | | | | | | Measurement specialties drivers common part. These functions are used by further drivers in the patchset: TSYS01, TSYS02D, HTU21, MS5637, MS8607 Signed-off-by: Ludovic Tancerel <ludovic.tancerel@maplehightech.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
* iio: bmc150: Add SPI driverMarkus Pargmann2015-10-033-0/+97
| | | | | | | | Add a simple SPI driver which initializes the spi regmap for the bmc150 core driver. Signed-off-by: Markus Pargmann <mpa@pengutronix.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
* iio: bmc150: Split the driver into core and i2cMarkus Pargmann2015-10-035-74/+146
| | | | | | Signed-off-by: Markus Pargmann <mpa@pengutronix.de> Tested-by: Irina Tirdea <irina.tirdea@intel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
* iio: bcm150: Remove i2c_client from private dataMarkus Pargmann2015-10-031-52/+52
| | | | | | | | | i2c_client struct is now only used for debugging output. We can use the device struct as well so we can remove all struct i2c_client usage. Signed-off-by: Markus Pargmann <mpa@pengutronix.de> Tested-by: Irina Tirdea <irina.tirdea@intel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
* iio: bmc150: Use i2c regmapMarkus Pargmann2015-10-032-128/+99
| | | | | | | | This replaces all usage of direct i2c accesses with regmap accesses. Signed-off-by: Markus Pargmann <mpa@pengutronix.de> Tested-by: Irina Tirdea <irina.tirdea@intel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
* iio: remove gpio interrupt probing from drivers that use a single interruptOctavian Purdila2015-10-039-247/+1
| | | | | | | | | | 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. Signed-off-by: Octavian Purdila <octavian.purdila@intel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
* iio: fix drivers that use 0 as a valid IRQ in client->irq (part 2)Octavian Purdila2015-10-033-3/+3
| | | | | | | | | | | | | Since commit dab472eb931bc291 ("i2c / ACPI: Use 0 to indicate that device does not have interrupt assigned") 0 is not a valid i2c client irq anymore, so change all driver's checks accordingly. The same issue occurs when the device is instantiated via device tree with no IRQ, or from the i2c sysfs interface, even before the patch above. Signed-off-by: Octavian Purdila <octavian.purdila@intel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
* iio: mlx96014: Error checking from positive to negativeCrt Mori2015-10-031-6/+8
| | | | | | | | | | | | | | | | | | | | Dan Carpenter reported a static checker report and after his mail I noticed that we actually return from function if positive value is obtained from i2c read. This was remainder from when code was not in separate function (which I changed during the review process). Static checker reported drivers/iio/temperature/mlx90614.c:167 mlx90614_iir_search() warn: this cast is a no-op which meant that cast before negating is useless. Dan also proposed a solution on nicer bit operation form. Also changed magic number to macro in process as that was confusing. Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Crt Mori <cmo@melexis.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
* iio: mcp4531: Driver for Microchip digital potentiometersPeter Rosin2015-09-305-0/+259
| | | | | | | | | | | | | | | | | | | | | Add support for Microchip digital potentiometers and rheostats MCP4531, MCP4532, MCP4551, MCP4552 MCP4631, MCP4632, MCP4651, MCP4652 DEVICE Wipers Steps Resistor Opts (kOhm) i2c address MCP4531 1 129 5, 10, 50, 100 010111x MCP4532 1 129 5, 10, 50, 100 01011xx MCP4551 1 257 5, 10, 50, 100 010111x MCP4552 1 257 5, 10, 50, 100 01011xx MCP4631 2 129 5, 10, 50, 100 0101xxx MCP4632 2 129 5, 10, 50, 100 01011xx MCP4651 2 257 5, 10, 50, 100 0101xxx MCP4652 2 257 5, 10, 50, 100 01011xx Datasheet: http://www.microchip.com/downloads/en/DeviceDoc/22096b.pdf Signed-off-by: Peter Rosin <peda@axentia.se> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
* iio: lidar: add missing MODULE_DEVICE_TABLE for dtMatt Ranostay2015-09-301-0/+1
| | | | | | | | The device tree compatible strings weren't properly registered for the pulsedlight-lidar-lite-v2 driver. Signed-off-by: Matt Ranostay <mranostay@gmail.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
* iio: chemical: vz89x hardware i2c workaroundMatt Ranostay2015-09-301-2/+21
| | | | | | | | | | | | Chipset sometime updates in the middle of a reading causing it to reset the data pointer, and causing invalid reading of previous data. We can check for this invalid state by reading MSB of the resistance reading that is always zero, and by also confirming the VOC_short isn't zero. Signed-off-by: Matt Ranostay <mranostay@gmail.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
* iio: dac: ad5504: leave sysfs naming to the coreMartin Kepplinger2015-09-301-1/+0
| | | | | | | | | This shouldn't actually change anything since the core calls the events sysfs folder "events" anyways. Signed-off-by: Martin Kepplinger <martink@posteo.de> Acked-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
* iio: adc: max1363: leave sysfs naming to the coreMartin Kepplinger2015-09-301-1/+0
| | | | | | | | This shouldn't actually change anything since the core calls the events sysfs folder "events" anyways. Signed-off-by: Martin Kepplinger <martink@posteo.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
* iio: adc: ad799x: leave sysfs naming to the coreMartin Kepplinger2015-09-301-1/+0
| | | | | | | | | This shouldn't change anything since the core calls the events folder "events" anyways. Signed-off-by: Martin Kepplinger <martink@posteo.de> Acked-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
* Staging: iio: cdc: Remove unnecessary dev_infoShraddha Barke2015-09-301-2/+0
| | | | | | | | Remove dev_info as the information can be obtained by other means Signed-off-by: Shraddha Barke <shraddha.6596@gmail.com> Acked-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
* Staging: iio: cdc: Prefer using the BIT macroShraddha Barke2015-09-301-6/+6
| | | | | | | | Replace bit shifting on 1 with the BIT(x) macro Signed-off-by: Shraddha Barke <shraddha.6596@gmail.com> Acked-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
* staging: iio: iio_dummy_evgen: handle_simple_irq() build fixGreg Kroah-Hartman2015-09-301-1/+1
| | | | | | | | handle_simple_irq() has dropped the first parameter, so fix it up in the iio_dummy_evgen.c driver to prevent the build from breaking. Cc: Jonathan Cameron <jic23@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* Merge tag 'iio-for-4.4a' of ↵Greg Kroah-Hartman2015-09-3069-468/+4862
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-next Jonathan writes: First round of new driver, new functionality and cleanups for IIO in the 4.4 cycle New device support * APDS9960 ALS + proximity driver * bmg160 SPI devices. * HDC100x humidity sensors * Holt HI-8435 threshold detector * mma8453Q accelerometer added to the mma8452 driver * mma86452FC and mma8653FC accelerometers added to the mma8452 driver * mxc4005 accelerometer * PulsedLight LIDAR * SensorTech VZ89x volatile organic compound sensor * UPISEMI uS5182d ALS and proximity sensors New core functionality * triggered events - use triggers to check for changes in threshold type detectors on devices with out interrupt support. First user is the holt comparator. * chemical concentration and resistance channel types. New driver functionality * vf610 - buffer support. - followup coccinelle warning fix. Core rework * buffers - break out callback buffer to own module. - move buffer implementations to a new subdirectory * percolate the error code form iio_event_getfd out to userspace rather than giving a missleading error later on. Cleanups * adddac drivers - use BIT macro where appropriate. * meter drivers - use BIT macro where appropriate. * ad7303 - add an OF match table to line up with the binding docs. * adc128s052 - add an OF match table to line up with the binding docs. * adf4350 - add an OF match table to line up with the binding docs * as3935 - add an OF match table to line up with the binding docs. * berlin2-adc - use GENMASK and BIT for masks - prevent attempting to sample multiple channels at once by moving a mutex scop - coding style cleanups * bmg150_magn - kconfig sort order was wrong - fix it. * bmg160 - use i2c regmap and drop all uses of i2c_client - separate i2c and core driver * cc10001_adc - kconfig sort order was wrong - fix it. * evgen (dummy driver helper module) - move interrupt generation to irq_work to reduce differences between the dummy driver and real hardware drivers. * hmc5843 - set the name dynamically rather than to a fixed value for one of the suported parts. - export module alias information to allow autoprobing of module. * lpc32xx - on failure to get resource or irq return -ENXIO as uppose to -EBUSY * max1027 - set .of_match_table to actually allow OF style matching. * max5821 - add MODULE_DEVICE_TABLE for OF table. * mma8452 - refactor to separate out chip specific data. - add freefall / motion interrupt source for devices that do their interrupts slightly differently. - update copywrite notice. - leave naming of events directory in sysfs to the core * mcp320x - set .of_match_table so that it can be use for OF style matching. * mlx90614 - Implement filter configuration (note the datasheet changed as a result of the driver reviews to include the values we needed ;) * opt3001 - drop .owner field as assigned by platform driver core. * si7020 - replace a bitmask on the humidity values with a more correct range check. * stk310 - improved error handling. - use BIT macro where appropriate and use the resulting defines instead of magic numbers in the code. - fix indentation * st-sensors - add debugfs register read hook * tsl4531 - fix error handling in check_id * twl6030 - fix module autoload for OF * iio-trig-sysfs - document add and remove attribute * trigger in staging - code alignment fixes. - braces on both branches of if statement if needed for one. * xilinx-xadc - push interrupts into hardirq context as there isn't much in them any more and it avoids breaking PREEMPT_RT builds due to the use of a spinlock between the hardirq and the thread. Tools * event-monitor - report unsupported events. We keep expanding what can come from drivers so give a helpful error if one turns up in an out of date userspace program. * generic-buffer - helpful message about needing to enable a channel to start the buffer.
| * iio: light: apds9960: fix platform_no_drv_owner.cocci warningskbuild test robot2015-09-231-1/+0
| | | | | | | | | | | | | | | | | | | | | | | | drivers/iio/light/apds9960.c:1125:3-8: No need to set .owner here. The core will do it. Remove .owner field if calls are used which set it automatically Generated by: scripts/coccinelle/api/platform_no_drv_owner.cocci CC: Matt Ranostay <mranostay@gmail.com> Signed-off-by: Fengguang Wu <fengguang.wu@intel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
| * iio: apds9960: light: fix simple_return.cocci warningskbuild test robot2015-09-231-5/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | drivers/iio/light/apds9960.c:986:1-4: WARNING: end returns can be simpified Simplify a trivial if-return sequence. Possibly combine with a preceding function call. Generated by: scripts/coccinelle/misc/simple_return.cocci CC: Matt Ranostay <mranostay@gmail.com> Signed-off-by: Fengguang Wu <fengguang.wu@intel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
| * iio: adc: vf610: fix simple_return.cocci warningskbuild test robot2015-09-231-6/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | drivers/iio/adc/vf610_adc.c:766:1-4: WARNING: end returns can be simpified and declaration on line 755 can be dropped Simplify a trivial if-return sequence. Possibly combine with a preceding function call. Generated by: scripts/coccinelle/misc/simple_return.cocci CC: Sanchayan Maity <maitysanchayan@gmail.com> Signed-off-by: Fengguang Wu <fengguang.wu@intel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
| * iio: light: Add support for UPISEMI uS5182d als and proximity sensorAdriana Reus2015-09-233-0/+518
| | | | | | | | | | | | | | | | | | | | Add support for UPISEMI us5182d als and proximity sensor. Supports raw readings. Data sheet for this device can be found here: http://www.upi-semi.com/temp/uS5182D-DS-P0103-temp.pdf Signed-off-by: Adriana Reus <adriana.reus@intel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
| * Staging: iio: Move evgen interrupt generation to irq_workCristina Opriceana2015-09-233-6/+40
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Enhance interrupt generation in the dummy driver and expand its usage by introducing the irq_work infrastructure to trigger an interrupt. This way, the irq_work_queue() wrapper permits calling both of the top half and threaded part from a hard irq context, unlike handle_nested_irq(), which only calls the threaded part. As an outcome, the driver succeeds in simulating real hardware interrupts, while keeping the normal interrupt flow. Signed-off-by: Cristina Opriceana <cristina.opriceana@gmail.com> Acked-by: Daniel Baluta <daniel.baluta@intel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
| * iio: chemical: add SGX VZ89x VOC sensor supportMatt Ranostay2015-09-235-0/+260
| | | | | | | | | | | | | | | | Add support for VZ89X sensors VOC and CO2 reporting channels in percentage which can be converted to part per million. Signed-off-by: Matt Ranostay <mranostay@gmail.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
| * iio: resistance: add IIO_RESISTANCE channel typeMatt Ranostay2015-09-231-0/+1
| | | | | | | | | | Signed-off-by: Matt Ranostay <mranostay@gmail.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
| * iio: chemical: Add IIO_CONCENTRATION channel typeMatt Ranostay2015-09-231-0/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | There are air quality sensors that report data back in parts per million of VOC (Volatile Organic Compounds) which are usually indexed from CO2 or another common pollutant. This patchset adds an IIO_CONCENTRATION type that returns a percentage of substance because no other channels types fit this use case. Modifiers for IIO_MOD_CO2 and IIO_MOD_VOC gas types are defined. Signed-off-by: Matt Ranostay <mranostay@gmail.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
| * iio: adc: twl6030-gpadc: Fix module autoload for OF platform driverLuis de Bethencourt2015-09-231-0/+1
| | | | | | | | | | | | | | | | This platform driver has a OF device ID table but the OF module alias information is not created so module autoloading won't work. Signed-off-by: Luis de Bethencourt <luisbg@osg.samsung.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
| * iio: dac: max5821: Fix module autoload for OF platform driverLuis de Bethencourt2015-09-231-0/+1
| | | | | | | | | | | | | | | | This platform driver has a OF device ID table but the OF module alias information is not created so module autoloading won't work. Signed-off-by: Luis de Bethencourt <luisbg@osg.samsung.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
| * iio: mma8452: leave sysfs namings to the iio coreMartin Kepplinger2015-09-231-1/+0
| | | | | | | | | | | | | | | | | | | | This doesn't actually change anything since the core names the sysfs folder for the iio event attributes "events" anyways. It only leaves the job to the core. Signed-off-by: Martin Kepplinger <martin.kepplinger@theobroma-systems.com> Signed-off-by: Christoph Muellner <christoph.muellner@theobroma-systems.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
| * iio: mma8452: add copyright notice commentMartin Kepplinger2015-09-231-0/+1
| | | | | | | | | | | | Signed-off-by: Martin Kepplinger <martin.kepplinger@theobroma-systems.com> Signed-off-by: Christoph Muellner <christoph.muellner@theobroma-systems.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
| * iio: mma8452: add support for MMA8652FC and MMA8653FCMartin Kepplinger2015-09-232-8/+92
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | MMA8652FC and MMA8653FC don't provide the transient interrupt source, so the motion interrupt source is used by providing a new iio_chan_spec definition, so that other supported devices are not affected by this. Datasheets for the newly supported devices are available at Freescale's website: http://cache.freescale.com/files/sensors/doc/data_sheet/MMA8652FC.pdf http://cache.freescale.com/files/sensors/doc/data_sheet/MMA8653FC.pdf Signed-off-by: Martin Kepplinger <martin.kepplinger@theobroma-systems.com> Signed-off-by: Christoph Muellner <christoph.muellner@theobroma-systems.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
| * iio: mma8452: add freefall / motion interrupt sourceMartin Kepplinger2015-09-231-8/+36
| | | | | | | | | | | | | | | | | | | | This adds the freefall / motion interrupt source definitions to the driver. It is used in this series' next patch, for chips that don't support the transient interrupt source. Signed-off-by: Martin Kepplinger <martin.kepplinger@theobroma-systems.com> Signed-off-by: Christoph Muellner <christoph.muellner@theobroma-systems.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
| * iio: mma8452: add support for MMA8453Q accelerometer chipMartin Kepplinger2015-09-232-6/+37
| | | | | | | | | | | | | | | | | | | | | | | | | | | | This adds support for the 10 bit version if Freescale's accelerometers of this series. The datasheet is available at Freescale's website: http://cache.freescale.com/files/sensors/doc/data_sheet/MMA8453Q.pdf It creates a devicetree bindings file to document the new functionality and removes the driver from the trivial-devices list. Signed-off-by: Martin Kepplinger <martin.kepplinger@theobroma-systems.com> Signed-off-by: Christoph Muellner <christoph.muellner@theobroma-systems.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
| * iio: mma8452: refactor for seperating chip specific dataMartin Kepplinger2015-09-231-49/+134
| | | | | | | | | | | | | | | | | | | | | | | | | | This adds a struct mma_chip_info to hold data that will remain specific to the chip in use. It is provided during probe() and linked in struct of_device_id. Also this suggests that the driver is called "mma8452" and now handles the MMA8452Q device, but is not limited to it. Signed-off-by: Martin Kepplinger <martin.kepplinger@theobroma-systems.com> Signed-off-by: Christoph Muellner <christoph.muellner@theobroma-systems.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
| * Staging: iio: addac: Prefer using the BIT macroShraddha Barke2015-09-231-7/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch replaces bit shifting on 1 with the BIT(x) macro. This was done with coccinelle: @@ int g; @@ -(1 << g) +BIT(g) Signed-off-by: Shraddha Barke <shraddha.6596@gmail.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
| * Staging: iio: meter: Prefer using the BIT macroShraddha Barke2015-09-235-17/+17
| | | | | | | | | | | | | | | | | | | | | | | | | | This patch replaces bit shifting on 1 with the BIT(x) macro This was done with coccinelle: @@ int g; @@ -(1 << g) +BIT(g) Signed-off-by: Shraddha Barke <shraddha.6596@gmail.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
| * iio: humidity: add HDC100x supportMatt Ranostay2015-09-233-0/+330
| | | | | | | | | | | | | | | | Add support for the HDC100x temperature and humidity sensors including the resistive heater element. Signed-off-by: Matt Ranostay <mranostay@gmail.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
| * iio: adc: hi8435: Holt HI-8435 threshold detectorVladimir Barinov2015-09-233-0/+546
| | | | | | | | | | | | | | Add Holt threshold detector driver for HI-8435 chip Signed-off-by: Vladimir Barinov <vladimir.barinov@cogentembedded.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
| * iio: mxc4005: add data ready trigger for mxc4005Teodora Baluta2015-08-311-1/+141
| | | | | | | | | | | | | | | | Add iio trigger for the data ready interrupt that signals new measurements for the X, Y and Z axes. Signed-off-by: Teodora Baluta <teodora.baluta@intel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
| * iio: mxc4005: add triggered buffer mode for mxc4005Teodora Baluta2015-08-312-3/+78
| | | | | | | | | | | | | | | | This patch adds support for buffered readings for the 3-axis accelerometer mxc4005. Signed-off-by: Teodora Baluta <teodora.baluta@intel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
| * iio: accel: add support for mxc4005 accelerometerTeodora Baluta2015-08-313-0/+367
| | | | | | | | | | | | | | | | | | This patch adds support for Memsic MXC4005XC 3-axis accelerometer. The current implementation is a minimal one as it adds raw readings for the three axes and setting scale from userspace. Signed-off-by: Teodora Baluta <teodora.baluta@intel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
| * iio: bmg160: Add SPI driverMarkus Pargmann2015-08-313-1/+64
| | | | | | | | | | Signed-off-by: Markus Pargmann <mpa@pengutronix.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
| * iio: bmg160: Separate i2c and core driverMarkus Pargmann2015-08-315-67/+108
| | | | | | | | | | | | | | | | | | | | This patch separates the core driver using regmap and the i2c driver which creates the i2c regmap. Also in the Kconfig file BMG160 and BMG160_I2C are separate now. Signed-off-by: Markus Pargmann <mpa@pengutronix.de> Reviewed-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
| * iio: proximity: add support for PulsedLight LIDARMatt Ranostay2015-08-313-0/+301
| | | | | | | | | | | | | | | | | | | | | | | | Add support for the PulsedLight LIDAR rangefinder sensor which allows high speed (over 300Hz) distance measurements using Barker Coding within 40 meter range. Support only tested on the "blue label" rev 2, but may work using low sample frequencies on the original version. Signed-off-by: Matt Ranostay <mranostay@gmail.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
| * iio: tsl4531: fix error handling in tsl4531_check_id()Dan Carpenter2015-08-311-4/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | The tsl4531_check_id() function returned 1 on "found" and 0 on "not found" and negative error codes on failure. This was non-standard and bug prone. The caller treated all non-zero values including error codes as "found". This patch fixes it by changing the tsl4531_check_id() to return zero on success or a negative error code, and updates the caller. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Acked-by: Peter Meerwald <pmeerw@pmeerw.net> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
| * iio: light: add APDS9960 ALS + promixity driverMatt Ranostay2015-08-313-0/+1149
| | | | | | | | | | | | | | | | | | | | APDS9960 is a combination of ALS, proximity, and gesture sensors. This patch adds support for these functions along with gain control, integration time, and event thresholds. Signed-off-by: Matt Ranostay <mranostay@gmail.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
| * iio: adc: vf610: Add IIO buffer support for Vybrid ADCSanchayan Maity2015-08-312-7/+100
| | | | | | | | | | | | | | | | | | | | | | This patch adds support for IIO buffer to the Vybrid ADC driver. IIO triggered buffer infrastructure along with iio sysfs trigger is used to leverage continuous sampling support provided by the ADC block. Signed-off-by: Sanchayan Maity <maitysanchayan@gmail.com> Acked-by: Fugang Duan <B38611@freescale.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
| * staging: iio: adc: lpc32xx: use correct reutrn valuePeng Fan2015-08-311-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | To lpc32xx_adc driver, when platform_get_resource or platform_get_irq failed, we should use -ENXIO as a return value, but not -EBUSY. Signed-off-by: Peng Fan <van.freenix@gmail.com> 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> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Tapasweni Pathak <tapaswenipathak@gmail.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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