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2016-04-23iio: st_gyro: Add lsm9ds0-gyro supportCrestez Dan Leonard6-1/+10
This device has an identical interface to other supported sensors and the patch only adds IDs. Signed-off-by: Crestez Dan Leonard <leonard.crestez@intel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-04-23iio: light: apds9960: silence uninitialized variable warningDan Carpenter1-2/+3
It causes a static checker warning if we use "buf" on the failure path so move that inside the if statement. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-04-23iio:imu:mpu6050: enhance mounting matrix supportGregor Boirie5-5/+55
Add a new rotation matrix sysfs attribute compliant with IIO core mounting matrix API. Matrix is retrieved from "in_anglvel_mount_matrix" and "in_accel_mount_matrix" sysfs attributes. It is declared into mpu6050 DTS entry as a "mount-matrix" property. Old interface is kept for backward userspace compatibility and may be retrieved from legacy platform_data mechanism only. Signed-off-by: Gregor Boirie <gregor.boirie@parrot.com> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-04-23iio:ak8975: add mounting matrix supportGregor Boirie3-4/+56
Expose a rotation matrix to indicate userspace the chip orientation with respect to the overall hardware system. Matrix is retrieved from "in_mount_matrix". It is declared into ak8975 DTS entry as a "mount-matrix" property. Signed-off-by: Gregor Boirie <gregor.boirie@parrot.com> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-04-23iio:core: mounting matrix supportGregor Boirie3-0/+164
Expose a rotation matrix to indicate userspace the chip placement with respect to the overall hardware system. This is needed to adjust coordinates sampled from a sensor chip when its position deviates from the main hardware system. Final coordinates computation is delegated to userspace since: * computation may involve floating point arithmetics ; * it allows an application to combine adjustments with arbitrary transformations. This 3 dimentional space rotation matrix is expressed as 3x3 array of strings to support floating point numbers. It may be retrieved from a "[<dir>_][<type>_]mount_matrix" sysfs attribute file. It is declared into a device / driver specific DTS property or platform data. Signed-off-by: Gregor Boirie <gregor.boirie@parrot.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-04-19iio: gyro: bmg160: use regmap to retrieve struct deviceAlison Schofield1-42/+44
Driver includes struct regmap and struct device in its global data. Remove the struct device and use regmap API to retrieve device info. Patch created using Coccinelle plus manual edits. Signed-off-by: Alison Schofield <amsfield22@gmail.com> Reviewed-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-04-19iio: accel: bmc150: use regmap to retrieve struct deviceAlison Schofield1-45/+54
Driver includes struct regmap and struct device in its global data. Remove the struct device and use regmap API to retrieve device info. Patch created using Coccinelle plus manual edits. Signed-off-by: Alison Schofield <amsfield22@gmail.com> Reviewed-by: Irina Tirdea <irina.tirdea@intel.com> Reviewed-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-04-19iio: Add Vishay VEML6070 UV A light sensor driverPeter Meerwald-Stadler3-0/+229
ultraviolet (UV) light sensor with I2C interface with a peak sensitivity at 355 nm strangely, chip uses two addresses 0x38 and 0x39 for LSB and MSB data, resp. datasheet: http://www.vishay.com/docs/84277/veml6070.pdf Signed-off-by: Peter Meerwald-Stadler <pmeerw@pmeerw.net> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-04-19iio: Add resource managed APIs devm_iio_channel_{get,release) in devresLaxman Dewangan1-0/+4
Add following APIs in the list of managed resources of IIO: devm_iio_channel_get() devm_iio_channel_get_all() devm_iio_channel_release() devm_iio_channel_release_all() Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-04-19iio: core: Add devm_ APIs for iio_channel_{get,release}_allLaxman Dewangan2-0/+62
Some of kernel driver uses the IIO framework to get the sensor value via ADC or IIO HW driver. The client driver get iio channel by iio_channel_get_all() and release it by calling iio_channel_release_all(). Add resource managed version (devm_*) of these APIs so that if client calls the devm_iio_channel_get_all() then it need not to release it explicitly, it can be done by managed device framework when driver get un-binded. This reduces the code in error path and also need of .remove callback in some cases. Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-04-19iio: core: Add devm_ APIs for iio_channel_{get,release}Laxman Dewangan2-0/+75
Some of kernel driver uses the IIO framework to get the sensor value via ADC or IIO HW driver. The client driver get iio channel by iio_channel_get() and release it by calling iio_channel_release(). Add resource managed version (devm_*) of these APIs so that if client calls the devm_iio_channel_get() then it need not to release it explicitly, it can be done by managed device framework when driver get un-binded. This reduces the code in error path and also need of .remove callback in some cases. Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-04-19iio: tools: generic_buffer: auto-enable channelsLinus Walleij2-4/+105
If no channels are enabled when we run generic_buffer on a device, add a command-line option to just enable all of them, run the sampling and disable them all again afterwards. This is extremely useful when I'm low-level testing my sensors with interrupts and triggers, sample session: root@Ux500:/ lsiio Device 000: lsm303dlh_accel Device 001: lis331dl_accel Device 002: l3g4200d Device 003: lsm303dlh_magn Device 004: lps001wp Trigger 000: lsm303dlh_accel-trigger Trigger 001: lis331dl_accel-trigger Trigger 002: l3g4200d-trigger root@Ux500:/ generic_buffer -a -c 10 -n l3g4200d iio device number being used is 2 iio trigger number being used is 2 No channels are enabled, enabling all channels Enabling: in_anglvel_x_en Enabling: in_anglvel_y_en Enabling: in_anglvel_z_en Enabling: in_timestamp_en /sys/bus/iio/devices/iio:device2 l3g4200d-trigger -3.593664 -0.713133 4.870143 946684863662292480 3.225546 0.867357 -4.945878 946684863671875000 -0.676413 0.127296 0.106641 946684863681488037 -0.661113 0.110160 0.128826 946684863690673828 -0.664173 0.113067 0.123471 946684863700683593 -0.664938 0.109395 0.124848 946684863710144042 -0.664173 0.110619 0.130203 946684863719512939 -0.666162 0.111231 0.132651 946684863729125976 -0.668610 0.111690 0.130662 946684863738739013 -0.660501 0.110466 0.131733 946684863748565673 Disabling: in_anglvel_x_en Disabling: in_anglvel_y_en Disabling: in_anglvel_z_en Disabling: in_timestamp_en Pure awesomeness. If some channels have been enabled through scripts or manual interaction, nothing happens. Cc: Peter Meerwald-Stadler <pmeerw@pmeerw.net> Acked-by: Daniel Baluta <daniel.baluta@intel.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-04-19iio: st_sensors: support open drain modeLinus Walleij7-0/+61
Some types of ST Sensors can be connected to the same IRQ line as other peripherals using open drain. Add a device tree binding and a sensor data property to flip the right bit in the interrupt control register to enable open drain mode on the INT line. If the line is set to be open drain, also tag on IRQF_SHARED to the IRQ flags when requesting the interrupt, as the whole point of using open drain interrupt lines is to share them with more than one peripheral (wire-or). Cc: devicetree@vger.kernel.org Cc: Giuseppe Barba <giuseppe.barba@st.com> Cc: Denis Ciocca <denis.ciocca@st.com> Acked-by: Rob Herring <rob@kernel.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-04-19iio: st_sensors: verify interrupt event to statusLinus Walleij6-0/+32
This makes all ST sensor drivers check that they actually have new data available for the requested channel(s) before claiming an IRQ, by reading the status register (which is conveniently the same for all ST sensors) and check that the channel has new data before proceeding to read it and fill the buffer. This way sensors can share an interrupt line: it can be flaged as shared and then the sensor that did not fire will return NO_IRQ, and the sensor that fired will handle the IRQ and return IRQ_HANDLED. 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: st_sensors: read each channel individuallyLinus Walleij1-50/+13
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 Wahren1-10/+5
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 Wahren1-11/+11
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 Baluta3-0/+85
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 Baluta5-99/+163
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 Stanojevic1-0/+1
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 Leonard1-13/+64
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 Leonard2-7/+50
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 Stepien1-9/+10
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 Walleij3-0/+309
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 Stanojevic1-3/+4
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 Clausen1-0/+1
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 Clausen1-0/+1
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 Clausen1-0/+1
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 Clausen1-0/+1
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 Clausen2-1/+7
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 Cameron2-2/+2
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 Stepien1-2/+1
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 Stepien1-1/+1
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 Stepien1-1/+1
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 Stepien1-1/+1
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 Stepien1-4/+4
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 Stepien1-3/+3
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 Stepien1-12/+12
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 Stepien1-1/+1
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 Stepien1-2/+6
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 Baluta8-0/+782
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>
2016-04-10iio: dht11: Improve loggingHarald Geyer1-6/+34
* Unify log messages * Add more DEBUG messages Apparently this driver is working unreliably on some platforms that I can't test. Therefore I want an easy way for bug reporters to provide useful information without making the driver too chatty by default. Signed-off-by: Harald Geyer <harald@ccbib.org> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-04-10staging: iio: ad7606: use iio_device_{claim|release}_direct_mode()Alison Schofield1-6/+6
Replace the code that guarantees the device stays in direct mode with iio_device_{claim|release}_direct_mode() which does same. Signed-off-by: Alison Schofield <amsfield22@gmail.com> Acked-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-04-10iio: accel: mma7455: use regmap to retrieve struct deviceAlison Schofield1-3/+2
Driver includes struct regmap and struct device in its global data. Remove the struct device and use regmap API to retrieve device info. Patch created using Coccinelle plus manual edits. Signed-off-by: Alison Schofield <amsfield22@gmail.com> Acked-by: Joachim Eastwood <manabian@gmail.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-04-10iio: dac: Add support for the AD5592R/AD5593R ADCs/DACsPaul Cercueil8-0/+1263
This patch adds support for the AD5592R (spi) and AD5593R (i2c) ADC/DAC/GPIO devices. Signed-off-by: Paul Cercueil <paul.cercueil@analog.com> Signed-off-by: Michael Hennerich <michael.hennerich@analog.com> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-04-10iio: mxs-lradc: Move binding document out of staging as wellHarald Geyer1-0/+0
commit f836c45922446df872250a12dd08e48978aceb2f moved mxs-lradc driver out of staging. However the binding document was left in the old place. Signed-off-by: Harald Geyer <harald@ccbib.org> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-04-10iio:magnetometer:ak8975: triggered buffer supportGregor Boirie2-25/+112
This will be used together with an external trigger (e.g hrtimer based software trigger). Signed-off-by: Gregor Boirie <gregor.boirie@parrot.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-04-10iio: potentiometer: add driver for Maxim Integrated DS1803Slawomir Stepien4-0/+205
The following functions are supported: - write, read potentiometer value - potentiometer scale Datasheet: https://datasheets.maximintegrated.com/en/ds/DS1803.pdf Signed-off-by: Slawomir Stepien <sst@poczta.fm> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-04-04staging: vme: fix bare use of 'unsigned'Clifton Barnes1-2/+3
fix checkpatch.pl warning about 'Prefer 'unsigned int' to bare use of 'unsigned'' Signed-off-by: Clifton Barnes <clifton.a.barnes@gmail.com> Acked-by: Martyn Welch <martyn@welchs.me.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-04-04staging: dgnc: fix CamelCase in dgnc_tty.cDaeseok Youn2-3/+3
fix checkpatch.pl warning about 'Avoid CamelCase' Signed-off-by: Daeseok Youn <daeseok.youn@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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