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2016-05-29iio: iio_generic_buffer: Add --trigger-num optionCrestez Dan Leonard
Signed-off-by: Crestez Dan Leonard <leonard.crestez@intel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-05-29iio: iio_generic_buffer: Add --device-num optionCrestez Dan Leonard
This makes it possible to distinguish between iio devices with the same name. Signed-off-by: Crestez Dan Leonard <leonard.crestez@intel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-05-29iio: iio_generic_buffer: Cleanup when receiving signalsCrestez Dan Leonard
This will clean (disable buffer/trigger/channels) when doing something like a CTRL-C. Otherwise restarting generic_buffer requires a manual echo 0 > buffer/enable This also cleanup up all the code freeing string buffers at the end of main. We initialize all pointers to NULL so that cleanup can all be done under a single error label. Signed-off-by: Crestez Dan Leonard <leonard.crestez@intel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-05-29iio: proximity: as3935: remove redundant MODULE_ALIASMatt Ranostay
MODULE_ALIAS isn't needed since the module name is the same as the alias defined. Signed-off-by: Matt Ranostay <mranostay@gmail.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-05-29iio: magnetometer: bmc150: Document Bosch supported chipsDaniel Baluta
bmc150 driver supports also BMC156 and BMM150 chips. Signed-off-by: Daniel Baluta <daniel.baluta@intel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-05-29iio: chemical: atlas-ph-sensor: add EC featureMatt Ranostay
Signed-off-by: Matt Ranostay <mranostay@gmail.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-05-29iio: electricalconductivity: add IIO_ELECTRICALCONDUCTIVITY typeMatt Ranostay
Signed-off-by: Matt Ranostay <mranostay@gmail.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-05-29iio: chemical: atlas-ph-sensor: reorg driver to allow multiple chipsMatt Ranostay
Signed-off-by: Matt Ranostay <mranostay@gmail.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-05-29tools: iio: Rename generic_buffer to iio_generic_bufferDaniel Baluta
This makes it clear that generic_buffer is an IIO tool and also complies with filename conventions in tools/iio. Signed-off-by: Daniel Baluta <daniel.baluta@intel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-05-29tools: iio: Add ability to install/uninstallPeter Robinson
Add options to the Makefile for install/uninstall similar to other tools. Signed-off-by: Peter Robinson <pbrobinson@gmail.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-05-29iio: adc: ad799x: use iio helper function to guarantee direct modeAlison Schofield
Replace the code that guarantees the device stays in direct mode with iio_device_claim_direct_mode() which does same. Signed-off-by: Alison Schofield <amsfield22@gmail.com> Acked-by: Daniel Baluta <daniel.baluta@gmail.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-05-29iio: adc: ad7923: use iio helper function to guarantee direct modeAlison Schofield
Replace the code that guarantees the device stays in direct mode with iio_device_claim_direct_mode() which does same. Signed-off-by: Alison Schofield <amsfield22@gmail.com> Acked-by: Daniel Baluta <daniel.baluta@gmail.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-05-29iio: adc: ad7887: use iio helper function to guarantee direct modeAlison Schofield
Replace the code that guarantees the device stays in direct mode with iio_device_claim_direct_mode() which does same. Signed-off-by: Alison Schofield <amsfield22@gmail.com> Acked-by: Daniel Baluta <daniel.baluta@gmail.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-05-29iio: adc: ad7476: use iio helper function to guarantee direct modeAlison Schofield
Replace the code that guarantees the device stays in direct mode with iio_device_claim_direct_mode() which does same. Signed-off-by: Alison Schofield <amsfield22@gmail.com> Acked-by: Daniel Baluta <daniel.baluta@gmail.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-05-29iio: adc: ad7266: claim direct mode during sensor readAlison Schofield
Driver was checking for direct mode but not locking it down. Use iio_device_claim_direct_mode() to guarantee device stays in direct mode. Signed-off-by: Alison Schofield <amsfield22@gmail.com> Acked-by: Daniel Baluta <daniel.baluta@gmail.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-05-29iio:st_sensors: fix power regulator usageGregor Boirie
Ensure failure to enable power regulators is properly handled. Signed-off-by: Gregor Boirie <gregor.boirie@parrot.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-05-29iio:st_sensors: emulate SMBus block read if neededGregor Boirie
Use SMBus "block read" protocol only when supported by adapter. Signed-off-by: Gregor Boirie <gregor.boirie@parrot.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-05-29iio:st_sensors: unexport st_sensors_get_buffer_elementGregor Boirie
Remove st_sensors_get_buffer_element symbol export since not explicitly used outside of st_sensors driver. Signed-off-by: Gregor Boirie <gregor.boirie@parrot.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-05-29iio:st_pressure:initial lps22hb sensor supportGregor Boirie
Initial support for ST LPS22HB pressure sensor. Datasheet: http://www2.st.com/resource/en/datasheet/lps22hb.pdf Features: * pressure data and timestamping channels * sampling frequency selection * interrupt based trigger * over I2C or SPI Signed-off-by: Gregor Boirie <gregor.boirie@parrot.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-05-29iio: triggers: Make trigger ops structure explicitly non optional.Jonathan Cameron
This structure has not been optional for a long time (if ever) but the code implies that it is. As we then use it later in a fashion that would crash if it was in fact NULL, it's inconsistent so fix it up by removing unnecessary checks. Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-05-28iio: adc: ti-ads1015: add datasheet namesMatt Ranostay
Add datasheet names for ADC channels to allow iio consumers access. Signed-off-by: Matt Ranostay <matt.ranostay@intel.com> Acked-by: Daniel Baluta <daniel.baluta@intel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-05-22MAINTAINERS: Add file patterns for staging iio device tree bindingsGeert Uytterhoeven
Submitters of device tree binding documentation may forget to CC the subsystem maintainer if this is missing. Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Jonathan Cameron <jic23@kernel.org> Cc: linux-iio@vger.kernel.org Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-05-22MAINTAINERS: Add file patterns for iio device tree bindingsGeert Uytterhoeven
Submitters of device tree binding documentation may forget to CC the subsystem maintainer if this is missing. Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Jonathan Cameron <jic23@kernel.org> Cc: Hartmut Knaack <knaack.h@gmx.de> Cc: Lars-Peter Clausen <lars@metafoo.de> Cc: Peter Meerwald-Stadler <pmeerw@pmeerw.net> Cc: linux-iio@vger.kernel.org Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-05-21iio: pressure: bmp280: add humidity supportMatt Ranostay
Enable humidity support for the BME280 part Signed-off-by: Matt Ranostay <matt.ranostay@intel.com> Acked-by: Vlad Dogaru <vlad.dogaru@intel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-05-21iio: light: jsa1212: remove unneeded i2c check functionality testAlison Schofield
This driver does not call i2c_smbus_read|write_byte_data(), so remove the corresponding functionality test. It uses regmap to handle byte transfers transparently. Signed-off-by: Alison Schofield <amsfield22@gmail.com> Reviewed-by:Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com> Reviewed-by: Matt Ranostay <matt.ranostay@intel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-05-21iio: adc: nau7802: Expose possible gains in sysfsQuentin Schulz
The Nuvoton NAU7802 ADC is able to adjust its gain but prior knowledge of its possible values was required to adjust it. Users had to guess the possible gain values based on the ADC datasheet or on this driver's code. This exposes the possible values in the in_voltage_scale_available file of each nau7802 ADC device. The gain is set for the whole ADC and is therefore not configurable by channel. Thus, there exists only one in_voltage_scale_available file for each nau7802 ADC device even if it has two separate channels. Signed-off-by: Quentin Schulz <quentin.schulz@free-electrons.com> Acked-by: Alexandre Belloni <alexandre.belloni@free-electrons.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-05-21iio: max5487: Add support for Maxim digital potentiometersCristina Moraru
Add implementation for Maxim MAX5487, MAX5488, MAX5489 digital potentiometers. Datasheet: http://datasheets.maximintegrated.com/en/ds/MAX5487-MAX5489.pdf Signed-off-by: Cristina Moraru <cristina.moraru09@gmail.com> CC: Daniel Baluta <daniel.baluta@intel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-05-21iio: Export I2C module alias informationJavier Martinez Canillas
The I2C drivers have an i2c_device_id array but that information isn't exported to the modules using the MODULE_DEVICE_TABLE() macro. So the modules autoloading won't work if the I2C device is registered using OF or legacy board files due missing alias information in the modules. The issue was found using Kieran Bingham's coccinelle semantic patch: https://lkml.org/lkml/2016/5/10/520 Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-05-21iio: accel: Add triggered buffer support for BMA220Tiberiu Breana
Signed-off-by: Tiberiu Breana <tiberiu.a.breana@intel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-05-21iio: adc: ti-ads1015: add support for ADS1115 partMatt Ranostay
TI ADS1115 is a 16-bit resolution ADC that is register map compatible with the ADS1015 device. Signed-off-by: Matt Ranostay <matt.ranostay@intel.com> Acked-by: Daniel Baluta <daniel.baluta@intel.com> Acked-by: Crt Mori <cmo@melexis.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-05-21iio: magn: Add support for BMM150 magnetometerDaniel Baluta
BMM150 is register compatible with magnetometer part of BMC156. Datasheet is at: http://www.mouser.com/ds/2/783/BST-BMM150-DS001-01-786480.pdf Signed-off-by: Daniel Baluta <daniel.baluta@intel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-05-14iio: accel: Add support for Bosch BMA220Tiberiu Breana
This commit adds basic support for the Bosch Sensortec BMA220 digital triaxial acceleration sensor. The device datasheet can be found here: http://www.mouser.com/pdfdocs/BSTBMA220DS00308.PDF Includes: - raw readings - ACPI detection - power management Signed-off-by: Tiberiu Breana <tiberiu.a.breana@intel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-05-14iio: potentiometer: tpl0102: remove unneeded i2c check functionality testMatt Ranostay
Actually I2C_FUNC_SMBUS_WORD_DATA isn't need for this device, and regmap handles all single byte reads transparently. Signed-off-by: Matt Ranostay <mranostay@gmail.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-05-04iio: mma8452: add support for oversampling ratioMartin Kepplinger
This adds the following sysfs files according to the iio ABI: -rw-r--r-- 4096 in_accel_oversampling_ratio -r--r--r-- 4096 in_accel_oversampling_ratio_available Internally, the device knows about 4 different power modes that differ in oversampling ratio (and power consumption). We just show the user what oversampling ratio(s) is/are available, depending on the current frequency. The referenced table in the datasheets makes it easier to understand. 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>
2016-05-04Documentation: iio: Add IIO software devices docsDaniel Baluta
Signed-off-by: Daniel Baluta <daniel.baluta@intel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-05-04iio: dummy: Convert IIO dummy to configfsDaniel Baluta
We register a new device type named "dummy", this will create a configfs entry under: * /config/iio/devices/dummy. Creating dummy devices is now as simple as: $ mkdir /config/iio/devices/dummy/my_dummy_device Signed-off-by: Daniel Baluta <daniel.baluta@intel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-05-04iio: Add support for creating IIO devices via configfsDaniel Baluta
This is similar with support for creating triggers via configfs. Devices will be hosted under: * /config/iio/devices We allow users to register "device types" under: * /config/iio/devices/<device_types>/ Signed-off-by: Daniel Baluta <daniel.baluta@intel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-05-04iio: health/afe4404: ENSEPGAIN is part of CONTROL2 registerAndrew F. Davis
Rename this definition, no functional changes. Signed-off-by: Andrew F. Davis <afd@ti.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-05-04iio: health/afe440x: Remove unused definitionsAndrew F. Davis
These definitions are not currently used and if the functionality they represent is needed the values should be added back to a table for easy userspace use. Signed-off-by: Andrew F. Davis <afd@ti.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-05-04iio: health/afe440x: Match LED currents to stagesAndrew F. Davis
The current channel number for the LEDs should match the stage number that they are active during, fix this here. Signed-off-by: Andrew F. Davis <afd@ti.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-05-04iio: health/afe440x: Make gain settings a modifier for the stagesAndrew F. Davis
Currently the TIA gain settings are exported to userspace as sysfs entries that do not clearly represent their internal relation to the sampling stages. The gain settings are enabled on a per-stage basis, this can be seen in figure 24 of the current AFE4404 datasheet. These gain settings should therefore be tied to the channels that are read during these stages. Make this change here. Signed-off-by: Andrew F. Davis <afd@ti.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-05-04iio: health/afe440x: Use regmap fieldsAndrew F. Davis
These drivers can use regmap fields to access fields in registers, this allows us to remove some macros/defines and simplify code, do this here. Signed-off-by: Andrew F. Davis <afd@ti.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-05-04iio: health/afe440x: Remove channel namesAndrew F. Davis
These AFEs have 4 ADC mesuring stages (called LED2, ALED2, LED1, and ALED1 in the datasheet), we map these as channels, these stages can serve different purposes depending on the application. For instance the AFE4404 has an additional LED (LED3), this LED can be timed to be active during stage 2 (or anystage, but the datasheet describes this case and the name of the stage reflects this use). This ability is used further in upcoming parts that tie the front-end gain and the LED timings together. For these reasons we remove explicit naming the channels. Without channel names it is best that the index numbers are in order to match the stage number, reorder the channel numbers. Signed-off-by: Andrew F. Davis <afd@ti.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-05-04iio: health/afe4404: Remove LED3 input channelAndrew F. Davis
Input channel LED3 is only an alias for stage ALED2, this virtual channel does nothing for us, remove this channel. Signed-off-by: Andrew F. Davis <afd@ti.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-05-04iio: health/afe440x: Remove unneeded offset handlingAndrew F. Davis
No channel in the afe4403 driver has IIO_CHAN_INFO_OFFSET set so remove the handlers for this. Signed-off-by: Andrew F. Davis <afd@ti.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-05-04iio: health/afe440x: Fix scan_index assignmentAndrew F. Davis
The LED channels are not scannable and so scan_index should be negative, fix this here. Signed-off-by: Andrew F. Davis <afd@ti.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-05-04iio: health/afe440x: Always use separate gain valuesAndrew F. Davis
Locking the two gain stages to the same setting adds no value for us, so initialize them as unlocked and remove the sysfs for unlocking them. This also allows us to greatly simplify showing and setting the gain registers. Signed-off-by: Andrew F. Davis <afd@ti.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-05-04iio: health/afe440x: Remove unneeded initializersAndrew F. Davis
The drivers set some register values during initialization that can be set at runtime, these defaults were used in testing but are not necessary, remove these. Signed-off-by: Andrew F. Davis <afd@ti.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-05-04iio: health/afe440x: Remove of_match_ptr and ifdefsAndrew F. Davis
The drivers DT tables are not built-in when OF is not enabled, this does not save us enough to justify ugly ifdefs. Clean this up. Signed-off-by: Andrew F. Davis <afd@ti.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-05-04iio: health/afe440x: Fix kernel-doc formatAndrew F. Davis
Fix kernel-doc formatting for structs, and while we are making little fixes, clarify the module description and update the copywrite. Signed-off-by: Andrew F. Davis <afd@ti.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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