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2016-04-19iio: st_sensors: read each channel individuallyLinus Walleij
The current buffer read code tries to optimize reads from the sensor data registers by issuing a single read operation across all the indata registers. This doesn't work: when the LIS331DL accelerometer sensor is configured to open drain, active low interrupt mode, this will just clear the XDA (X-axis data available) bit in the STATUS_REG register (0x27), while YDA, ZDA and even ZYXDA remain set to 1, and the internal logic of the sensor holds the DRDY (INT1) line asserted (the value of the status register is 0xee). If we instead issue one read operation per enabled channel (X, Y, Z) things start working and we can use open drain and active low interrupts. Note that a backported patch fixing this issue will be heading via the fixes branch but changes in this file already in staging-next will make that patch 'look' rather different. The code in here is the correct one when that clash hits. Cc: Giuseppe Barba <giuseppe.barba@st.com> Cc: Denis Ciocca <denis.ciocca@st.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-04-19iio: mxs-lradc: move STMP reset out of ADC initStefan Wahren
This patch moves the STMP reset out of ADC init function so as to remove the possiblity of an error return which will be necessary for PM ops support patches to follow. Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com> Tested-by: Marek Vasut <marex@denx.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-04-19iio: mxs-lradc: move TS config into suitable functionStefan Wahren
This patch moves the touchscreen type configuration into a more suitable function. Btw this simplifies PM ops later. Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com> Reviewed-by: Marek Vasut <marex@denx.de> Tested-by: Marek Vasut <marex@denx.de> Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-04-18iio: magn: bmc150: Introduce SPI supportDaniel Baluta
Signed-off-by: Daniel Baluta <daniel.baluta@intel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-04-18iio: magn: Split bmc150 driver in common/i2c partsDaniel Baluta
This is useful for easily adding SPI support in later patches. Now bmc150_magn exports core functions to be used by I2C/SPI drivers instances. For the moment only I2C driver is supported. Signed-off-by: Daniel Baluta <daniel.baluta@intel.com> Acked-by: Irina Tirdea <irina.tirdea@intel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-04-17iio: adc: set INPUT_PROP_DIRECTKsenija Stanojevic
Set INPUT_PROP_DIRECT to indicate that it is a touchscreen on the device to help userspace classify it. Signed-off-by: Ksenija Stanojevic <ksenija.stanojevic@gmail.com> Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-04-17ti-adc081c: Initial triggered buffer supportCrestez Dan Leonard
Using this requires software triggers like CONFIG_IIO_HRTIMER_TRIGGER. The device can be configured to do internal periodic sampling but does not offer some sort of interrupt on data ready. Interrupts can only trigger when values get out of a specific range. Signed-off-by: Crestez Dan Leonard <leonard.crestez@intel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-04-17ti-adc081c: Add support for adc101c and adc121cCrestez Dan Leonard
These chips have an almost identical interface but support a different number of value bits. Datasheet links for comparison: * http://www.ti.com/lit/ds/symlink/adc081c021.pdf * http://www.ti.com/lit/ds/symlink/adc101c021.pdf * http://www.ti.com/lit/ds/symlink/adc121c021.pdf Signed-off-by: Crestez Dan Leonard <leonard.crestez@intel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-04-17iio: frequency: ad9523: use unsigned int rather then bare unsignedSlawomir Stepien
This fix checkpatch warnings: WARNING: Prefer 'unsigned int' to bare use of 'unsigned' Signed-off-by: Slawomir Stepien <sst@poczta.fm> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-04-16iio: light: new driver for the ROHM BH1780Linus Walleij
This is a reimplementation of the old misc device driver for the ROHM BH1780 ambient light sensor (drivers/misc/bh1780gli.c). Differences from the old driver: - Uses the IIO framework - Uses runtime PM to idle the hardware after 5 seconds - No weird custom power management from userspace - No homebrewn values in sysfs This uses the same (undocumented) device tree compatible-string as the old driver ("rohm,bh1780gli"). Cc: Arnd Bergmann <arnd@arndb.de> Cc: Ulf Hansson <ulf.hansson@linaro.org> Cc: Daniel Mack <daniel@caiaq.de> Cc: Peter Meerwald-Stadler <pmeerw@pmeerw.net> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-04-16iio: adc: Indent if statementKsenija Stanojevic
Indent lines inside if statement. Signed-off-by: Ksenija Stanojevic <ksenija.stanojevic@gmail.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-04-16staging:iio:adis16240: Set self_test_no_autoclear flagLars-Peter Clausen
The ADIS16201 does not automatically clear the self test flag bit the self test has been, so clear it manually. Otherwise we'll see a offset caused by the self-test bias on the output values during normal operation. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-04-16staging:iio:adis16209: Set self_test_no_autoclear flagLars-Peter Clausen
The ADIS16201 does not automatically clear the self test flag bit the self test has been, so clear it manually. Otherwise we'll see a offset caused by the self-test bias on the output values during normal operation. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-04-16staging:iio:adis16203: Set self_test_no_autoclear flagLars-Peter Clausen
The ADIS16201 does not automatically clear the self test flag bit the self test has been, so clear it manually. Otherwise we'll see a offset caused by the self-test bias on the output values during normal operation. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-04-16staging:iio:adis16201: Set self_test_no_autoclear flagLars-Peter Clausen
The ADIS16201 does not automatically clear the self test flag bit the self test has been, so clear it manually. Otherwise we'll see a offset caused by the self-test bias on the output values during normal operation. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-04-16iio:adis: Add support for manual self-test flag clearLars-Peter Clausen
Some variants of the devices from the ADIS family don't auto-clear the self-test bit after the self-test has completed. Instead we have to manually clear. Add support for this to the ADIS library. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-04-16iio: pressure: ms5611: use tab for indentionJonathan Cameron
This fixes the errors reported by checkpatch.pl: ERROR: code indent should use tabs where possible Signed-off-by: Slawomir Stepien <sst@poczta.fm> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-04-16iio: magnetometer: ak8975: put else and brace at the same lineSlawomir Stepien
This fixes the error reported by checkpatch.pl: ERROR: else should follow close brace '}' Signed-off-by: Slawomir Stepien <sst@poczta.fm> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-04-16iio: common: hid-sensors: use tab for indentionSlawomir Stepien
This fixes the error reported by checkpatch.pl: ERROR: code indent should use tabs where possible Signed-off-by: Slawomir Stepien <sst@poczta.fm> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-04-16iio: common: ms_sensors: use tab for indentionSlawomir Stepien
This fixes the error reported by checkpatch.pl: ERROR: code indent should use tabs where possible Signed-off-by: Slawomir Stepien <sst@poczta.fm> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-04-16iio: adc: ad799x: remove space before commaSlawomir Stepien
This fixes the error reported by checkpatch.pl: ERROR: space prohibited before that ',' (ctx:WxW) Signed-off-by: Slawomir Stepien <sst@poczta.fm> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-04-16iio: adc: at91_adc: fix errors reported by checkpatch.plSlawomir Stepien
This fixes the errors reported by checkpatch.pl: ERROR: space prohibited before that ',' (ctx:WxW) ERROR: code indent should use tabs where possible Signed-off-by: Slawomir Stepien <sst@poczta.fm> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-04-16iio: adc: mcp3422: remove spaces before commaSlawomir Stepien
This fixes the error reported by checkpatch.pl: ERROR: space prohibited before that ',' (ctx:WxW) Signed-off-by: Slawomir Stepien <sst@poczta.fm> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-04-16iio: adc: vf610_adc: fix case label indentSlawomir Stepien
This fixes the error reported by checkpatch.pl: ERROR: switch and case should be at the same indent Signed-off-by: Slawomir Stepien <sst@poczta.fm> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-04-16iio: inkern: add a missing space before ifSlawomir Stepien
This fixes the error reported by checkpatch.pl: ERROR: space required before the open parenthesis '(' Signed-off-by: Slawomir Stepien <sst@poczta.fm> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-04-16iio: light apds9960: fix wrong use of braceSlawomir Stepien
This fixes the error reported by checkpatch.pl: ERROR: that open brace { should be on the previous line Signed-off-by: Slawomir Stepien <sst@poczta.fm> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-04-16iio: imu: Add initial support for Bosch BMI160Daniel Baluta
BMI160 is an Inertial Measurement Unit (IMU) which provides acceleration and angular rate measurement. It also offers a secondary I2C interface for connecting a magnetometer sensor (usually BMM160). Current driver offers support for accelerometer and gyroscope readings via sysfs or via buffer interface using an external trigger (e.g. hrtimer). Data is retrieved from IMU via I2C or SPI interface. Datasheet is at: http://www.mouser.com/ds/2/783/BST-BMI160-DS000-07-786474.pdf Signed-off-by: Daniel Baluta <daniel.baluta@intel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-04-11staging: unisys: visornic: prevent double-unlock of priv_lockTim Sell
Previously, devdata->priv_lock was being unlocked in visornic_serverdown() both before calling visornic_serverdown_complete(), then again at the end of the function. This bug was corrected. The structure of visornic_serverdown() was also improved to make it easier to follow and to decrease the chance that such bugs will be introduced again. The main-path logic now falls thru down the left-side of the page, with a common error-exit point to handle error conditions. Signed-off-by: Tim Sell <Timothy.Sell@unisys.com> Signed-off-by: David Kershner <david.kershner@unisys.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-04-11staging: unisys: visorinput: remove erroneous 'FIXME' commentsTim Sell
These comments were mistakenly carried forward by a previous copy/paste. Signed-off-by: Tim Sell <Timothy.Sell@unisys.com> Signed-off-by: David Kershner <david.kershner@unisys.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-04-11staging: unisys: removed unused 'visor_device.respond_to_device_create'Alexander Curtin
The respond_to_device_create flag was used previously when we used to delay responses to create requests until the drivers were finished loading. This behaviour was removed some time ago, yet the field still existed, while never being referenced or even initialized. Signed-off-by: Alexander Curtin <alexander.curtin@unisys.com> Signed-off-by: David Kershner <david.kershner@unisys.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-04-11staging: unisys: visorbus: make bus_epilog match device_epilogDavid Kershner
The paths in bus_epilog should match device_epilog. Signed-off-by: David Kershner <david.kershner@unisys.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-04-11staging: unisys: visorbus: device_epilog: clean up gotosDavid Kershner
The away flag is ambiguous, rename it to out and appropriately call the correct goto. Signed-off-by: David Kershner <david.kershner@unisys.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-04-11staging: unisys: visorbus: visorchipset_init clean up gotosDavid Kershner
Several error paths were not logging a message to s-Par during failure. Error paths in visorchipset_init() were corrected so that they now all do proper clean-ups. This made it necessary to move the function visorchipset_file_cleanup() above visorchipset_init so it can be referenced. Signed-off-by: David Kershner <david.kershner@unisys.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-04-11staging: unisys: visorchannel: remove redundant member sizeDavid Binder
Removes size member from the visorchannel struct, since it was a duplicate of the nbytes member. Signed-off-by: David Binder <david.binder@unisys.com> Signed-off-by: David Kershner <david.kershner@unisys.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-04-11staging: unisys: visornic: CHECK: Alignment should match open parenthesisTim Sell
Fix 'CHECK: Alignment should match open parenthesis' as recommended by checkpatch. Signed-off-by: Tim Sell <Timothy.Sell@unisys.com> Signed-off-by: David Kershner <david.kershner@unisys.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-04-11staging: unisys: visorbus: CHECK: Alignment should match open parenthesisTim Sell
Fix 'CHECK: Alignment should match open parenthesis' as recommended by checkpatch. Signed-off-by: Tim Sell <Timothy.Sell@unisys.com> Signed-off-by: David Kershner <david.kershner@unisys.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-04-11staging: unisys: visorbus: 'unsigned' --> 'unsigned int'Tim Sell
Fix as recommended by checkpatch. Signed-off-by: Tim Sell <Timothy.Sell@unisys.com> Signed-off-by: David Kershner <david.kershner@unisys.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-04-11staging: lustre: split error handling code into multiple labelsCihangir Akturk
Instead of using a switch-case statement to find out what kind of error has just happened, split error handling logic into multiple labels and jump right into the appropriate label to do the error handling. This way it is easier to follow different code paths. It also looks easy on the eyes. Additionally silences the following coccinelle warning: drivers/staging/lustre/lustre/obdecho/echo_client.c:762:22-27: ERROR: ed is NULL but dereferenced. Signed-off-by: Cihangir Akturk <cakturk@gmail.com> Acked-by: James Simmons <jsimmons@infradead.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-04-11staging: lustre: selftest: change srpc_state_t to proper enumJames Simmons
Turn typedef srpc_state_t to proper enum Signed-off-by: James Simmons <uja.ornl@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-04-11staging: lustre: selftest: convert srpc_msg_t to proper structJames Simmons
Turn typedef struct srpc_msg to proper structure Signed-off-by: James Simmons <uja.ornl@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-04-11staging: lustre: selftest: convert lstcon_batch_t to proper structJames Simmons
Turn typedef lstcon_batch_t to proper structure Signed-off-by: James Simmons <uja.ornl@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-04-11staging: lustre: selftest: convert lstcon_tsb_hdr_t to proper structJames Simmons
Turn typedef lstcon_tsb_hdr_t to proper structure Signed-off-by: James Simmons <uja.ornl@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-04-11staging: lustre: selftest: convert lstcon_group_t to proper structJames Simmons
Turn typedef lstcon_group_t to proper structure Signed-off-by: James Simmons <uja.ornl@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-04-11staging: lustre: selftest: convert lstcon_ndlink_t to proper structJames Simmons
Turn typedef lstcon_ndlink_t to proper structure Signed-off-by: James Simmons <uja.ornl@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-04-11staging: lustre: selftest: convert lstcon_node_t to proper structJames Simmons
Turn typedef lstcon_node_t to proper structure Signed-off-by: James Simmons <uja.ornl@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-04-11staging: lustre: selftest: convert lstcon_rpc_trans_t to proper structJames Simmons
Turn typedef lstcon_rpc_trans_t to proper structure Signed-off-by: James Simmons <uja.ornl@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-04-11staging: lustre: selftest: convert lstcon_rpc_t to proper structJames Simmons
Turn typedef lstcon_rpc_t to proper structure Signed-off-by: James Simmons <uja.ornl@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-04-11staging: lustre: selftest: convert sfw_test_case_t to proper structJames Simmons
Turn typedef sfw_test_case_t to proper structure Signed-off-by: James Simmons <uja.ornl@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-04-11staging: lustre: selftest: convert sfw_test_unit_t to proper structJames Simmons
Turn typedef sfw_test_unit_t to proper structure Signed-off-by: James Simmons <uja.ornl@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-04-11staging: lustre: selftest: convert sfw_test_instance_t to proper structJames Simmons
Turn typedef sfw_test_instance_t to proper structure Signed-off-by: James Simmons <uja.ornl@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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