- 02 Apr, 2017 13 commits
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Michael Hennerich authored
This patch adds support for the Analog Devices / Linear Technology LTC2497 ADCs. The LTC2497 is a 16-channel (eight differential), 16-bit, high precision, delta-sigma ADC with an automatic, differential, input current cancellation front end and a 2-wire, I2C interface. Signed-off-by:
Michael Hennerich <michael.hennerich@analog.com> Signed-off-by:
Jonathan Cameron <jic23@kernel.org>
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Guru Das Srinagesh authored
This fixes the coding style issue of using S_IWUSR in place of 4-digit octal numbers. Issue detected by checkpatch. Signed-off-by:
Guru Das Srinagesh <gurooodas@gmail.com> Signed-off-by:
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Jonathan Cameron authored
The mpu9250 is a SIP containing an mpu6500 and an ak8975. If this was all there was too it there would be no need for explicit handling in the driver. Arguably the bindings would also only reflect the presence of an mpu6500 with the ak8975 hanging off it, as the kernel doesn't care that they are in one package. However, the WHOAMI value changes as well so best to add explicit support. Signed-off-by: -
Jonathan Cameron authored
These bindings are somewhat lagging the state of the driver. The i2c-gate bindings are documented elsewhere, but it seems sensible to at least have an example and cross reference in here. SPI bindings will need to be the subject of a future patch. Signed-off-by:
Rob Herring <robh@kernel.org>
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Liang Chen authored
The rk3328 saradc is the same as rk3399. Signed-off-by:
Liang Chen <cl@rock-chips.com> Reviewed-by:
Heiko Stuebner <heiko@sntech.de> Acked-by:
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simran singhal authored
The following Coccinelle script was used to detect this: @r@ expression x; void* e; type T; identifier f; @@ ( *((T *)e) | ((T *)x)[...] | ((T*)x)->f | - (T*) e ) Signed-off-by:
simran singhal <singhalsimran0@gmail.com> Signed-off-by:
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simran singhal authored
The following Coccinelle script was used to detect this: @r@ expression x; void* e; type T; identifier f; @@ ( *((T *)e) | ((T *)x)[...] | ((T*)x)->f | - (T*) e ) Signed-off-by:
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simran singhal authored
The following Coccinelle script was used to detect this: @r@ expression x; void* e; type T; identifier f; @@ ( *((T *)e) | ((T *)x)[...] | ((T*)x)->f | - (T*) e ) Signed-off-by:
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simran singhal authored
The following Coccinelle script was used to detect this: @r@ expression x; void* e; type T; identifier f; @@ ( *((T *)e) | ((T *)x)[...] | ((T*)x)->f | - (T*) e ) Signed-off-by:
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simran singhal authored
The following Coccinelle script was used to detect this: @r@ expression x; void* e; type T; identifier f; @@ ( *((T *)e) | ((T *)x)[...] | ((T*)x)->f | - (T*) e ) Signed-off-by:
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simran singhal authored
The following Coccinelle script was used to detect this: @r@ expression x; void* e; type T; identifier f; @@ ( *((T *)e) | ((T *)x)[...] | ((T*)x)->f | - (T*) e ) Signed-off-by:
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simran singhal authored
Change the name of function from adis16060_spi_write_than_read() to adis16060_spi_write_then_read(). change "than" to "then" as its time depended. Signed-off-by:
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simran singhal authored
Check for attribute_group structures that are only stored in the event_attrs filed of iio_info structure. As the event_attrs field of iio_info structures is constant, so these attribute_group structures can also be declared constant. Done using coccinelle: @r1 disable optional_qualifier @ identifier i; position p; @@ static struct attribute_group i@p = {...}; @ok1@ identifier r1.i; position p; struct iio_info x; @@ x.event_attrs=&i@p; @bad@ position p!={r1.p,ok1.p}; identifier r1.i; @@ i@p @depends on !bad disable optional_qualifier@ identifier r1.i; @@ static +const struct attribute_group i={...}; @depends on !bad disable optional_qualifier@ identifier r1.i; @@ +const struct attribute_group i; As the attrs field of iio_info structures is also constant, so these attribute_group structures can also be declared constant. Done manually. File size before: text data bss dec hex filename 5798 2376 0 8174 1fee drivers/iio/light/lm3533-als.o File size after: text data bss dec hex filename 5926 2248 0 8174 1fee drivers/iio/light/lm3533-als.o Signed-off-by:
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- 01 Apr, 2017 8 commits
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Rick Altherr authored
Aspeed BMC SoCs include a 16 channel, 10-bit ADC. Low and high threshold interrupts are supported by the hardware but are not currently implemented. Signed-off-by:
Rick Altherr <raltherr@google.com> Tested-by:
Xo Wang <xow@google.com> Reviewed-by:
Joel Stanley <joel@jms.id.au> Signed-off-by:
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Rick Altherr authored
Signed-off-by:
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simran singhal authored
As the event_attrs field of iio_info structures is constant, so these attribute_group structures can also be declared constant. File size before: text data bss dec hex filename 15064 1528 0 16592 40d0 drivers/staging/iio/light/tsl2x7x_core.o File size after: text data bss dec hex filename 15192 1400 0 16592 40d0 drivers/staging/iio/light/tsl2x7x_core.o Signed-off-by:
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simran singhal authored
Check for attribute_group structures that are only stored in the attrs filed of iio_info structure. As the attrs field of iio_info structures is constant, so these attribute_group structures can also be declared constant. Done using coccinelle: @r1 disable optional_qualifier @ identifier i; position p; @@ static struct attribute_group i@p = {...}; @ok1@ identifier r1.i; position p; struct iio_info x; @@ x.attrs=&i@p; @bad@ position p!={r1.p,ok1.p}; identifier r1.i; @@ i@p @depends on !bad disable optional_qualifier@ identifier r1.i; @@ static +const struct attribute_group i={...}; @depends on !bad disable optional_qualifier@ identifier r1.i; @@ +const struct attribute_group i; File size before: text data bss dec hex filename 3042 480 0 3522 dc2 drivers/iio/adc/hx711.o File size after: text data bss dec hex filename 3098 416 0 3514 dba drivers/iio/adc/hx711.o Signed-off-by: -
simran singhal authored
Check for attribute_group structures that are only stored in the attrs filed of iio_info structure. As the attrs field of iio_info structures is constant, so these attribute_group structures can also be declared constant. Done using coccinelle: @r1 disable optional_qualifier @ identifier i; position p; @@ static struct attribute_group i@p = {...}; @ok1@ identifier r1.i; position p; struct iio_info x; @@ x.attrs=&i@p; @bad@ position p!={r1.p,ok1.p}; identifier r1.i; @@ i@p @depends on !bad disable optional_qualifier@ identifier r1.i; @@ static +const struct attribute_group i={...}; @depends on !bad disable optional_qualifier@ identifier r1.i; @@ +const struct attribute_group i; File size before: text data bss dec hex filename 3459 488 0 3947 f6b drivers/iio/humidity/hdc100x.o File size after: text data bss dec hex filename 3507 424 0 3931 f5b drivers/iio/humidity/hdc100x.o Signed-off-by: -
simran singhal authored
Check for attribute_group structures that are only stored in the attrs filed of iio_info structure. As the attrs field of iio_info structures is constant, so these attribute_group structures can also be declared constant. Done using coccinelle: @r1 disable optional_qualifier @ identifier i; position p; @@ static struct attribute_group i@p = {...}; @ok1@ identifier r1.i; position p; struct iio_info x; @@ x.attrs=&i@p; @bad@ position p!={r1.p,ok1.p}; identifier r1.i; @@ i@p @depends on !bad disable optional_qualifier@ identifier r1.i; @@ static +const struct attribute_group i={...}; @depends on !bad disable optional_qualifier@ identifier r1.i; @@ +const struct attribute_group i; File size before: text data bss dec hex filename 8503 488 0 8991 231f drivers/iio/light/apds9960.o File size after: text data bss dec hex filename 8567 424 0 8991 231f drivers/iio/light/apds9960.o Signed-off-by: -
simran singhal authored
Check for attribute_group structures that are only stored in the attrs filed of iio_info structure. As the attrs field of iio_info structures is constant, so these attribute_group structures can also be declared constant. Done using coccinelle: @r1 disable optional_qualifier @ identifier i; position p; @@ static struct attribute_group i@p = {...}; @ok1@ identifier r1.i; position p; struct iio_info x; @@ x.attrs=&i@p; @bad@ position p!={r1.p,ok1.p}; identifier r1.i; @@ i@p @depends on !bad disable optional_qualifier@ identifier r1.i; @@ static +const struct attribute_group i={...}; @depends on !bad disable optional_qualifier@ identifier r1.i; @@ +const struct attribute_group i; File size before: text data bss dec hex filename 2276 352 0 2628 a44 drivers/iio/light/bh1750.o File size after: text data bss dec hex filename 2340 320 0 2660 a64 drivers/iio/light/bh1750.o Signed-off-by: -
simran singhal authored
Check for attribute_group structures that are only stored in the attrs filed of iio_info structure. As the attrs field of iio_info structures is constant, so these attribute_group structures can also be declared constant. Done using coccinelle: @r1 disable optional_qualifier @ identifier i; position p; @@ static struct attribute_group i@p = {...}; @ok1@ identifier r1.i; position p; struct iio_info x; @@ x.attrs=&i@p; @bad@ position p!={r1.p,ok1.p}; identifier r1.i; @@ i@p @depends on !bad disable optional_qualifier@ identifier r1.i; @@ static +const struct attribute_group i={...}; @depends on !bad disable optional_qualifier@ identifier r1.i; @@ +const struct attribute_group i; File size before: text data bss dec hex filename 4037 288 0 4325 10e5 drivers/iio/proximity/as3935.o File size after: text data bss dec hex filename 4101 256 0 4357 1105 drivers/iio/proximity/as3935.o Signed-off-by:
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- 30 Mar, 2017 4 commits
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Tony Lindgren authored
On Motorola phones like droid 4 there is a custom CPCAP PMIC. This PMIC has ADCs that are used for battery charging and USB PHY VBUS and ID pin detection. Unfortunately the only documentation for this ADC seems to be the Motorola mapphone Linux kernel tree. I have tested that reading raw and scaled values works, but I have not used the timed sampling that the ADC seems to support. Let's add a minimal support for it so we can eventually provide IIO channels for the related battery charging and USB PHY drivers. Cc: devicetree@vger.kernel.org Cc: Marcel Partap <mpartap@gmx.net> Cc: Michael Scott <michael.scott@linaro.org> Cc: Sebastian Reichel <sre@kernel.org> Signed-off-by:
Tony Lindgren <tony@atomide.com> Acked-by:
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Gargi Sharma authored
The driver needs to insure atomicity during frequency changes of bus and device. The iiodev->mlock as used was not doing that. Replace it with the drivers existing buffer lock and introduce an auxiliary spi_write() that does not hold the lock. Signed-off-by:
Gargi Sharma <gs051095@gmail.com> Signed-off-by:
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Arushi Singhal authored
Replace a comma between expression statements by a semicolon. This changes the semantics of the code, but given the current indentation appears to be what is intended. A simplified version of the Coccinelle semantic patch that performs this transformation is as follows: // <smpl> @r@ expression e1,e2; @@ e1 -, +; e2; // </smpl> Signed-off-by:
Arushi Singhal <arushisinghal19971997@gmail.com> Signed-off-by:
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Arushi Singhal authored
Replace a comma between expression statements by a semicolon. This changes the semantics of the code, but given the current indentation appears to be what is intended. A simplified version of the Coccinelle semantic patch that performs this transformation is as follows: // <smpl> @r@ expression e1,e2; @@ e1 -, +; e2; // </smpl> Signed-off-by:
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- 29 Mar, 2017 3 commits
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simran singhal authored
Check for attribute_group structures that are only stored in the event_attrs filed of iio_info structure. As the event_attrs field of iio_info structures is constant, so these attribute_group structures can also be declared constant. Done using coccinelle: @r1 disable optional_qualifier @ identifier i; position p; @@ static struct attribute_group i@p = {...}; @ok1@ identifier r1.i; position p; struct iio_info x; @@ x.event_attrs=&i@p; @bad@ position p!={r1.p,ok1.p}; identifier r1.i; @@ i@p @depends on !bad disable optional_qualifier@ identifier r1.i; @@ static +const struct attribute_group i={...}; @depends on !bad disable optional_qualifier@ identifier r1.i; @@ +const struct attribute_group i; File size before: text data bss dec hex filename 26051 464 0 26515 6793 drivers/iio/adc/ad799x.o File size after: text data bss dec hex filename 26115 400 0 26515 6793 drivers/iio/adc/ad799x.o Signed-off-by: -
simran singhal authored
Check for attribute_group structures that are only stored in the event_attrs filed of iio_info structure. As the event_attrs field of iio_info structures is constant, so these attribute_group structures can also be declared constant. Done using coccinelle: @r1 disable optional_qualifier @ identifier i; position p; @@ static struct attribute_group i@p = {...}; @ok1@ identifier r1.i; position p; struct iio_info x; @@ x.event_attrs=&i@p; @bad@ position p!={r1.p,ok1.p}; identifier r1.i; @@ i@p @depends on !bad disable optional_qualifier@ identifier r1.i; @@ static +const struct attribute_group i={...}; @depends on !bad disable optional_qualifier@ identifier r1.i; @@ +const struct attribute_group i; File size before: text data bss dec hex filename 36951 448 0 37399 9217 drivers/iio/adc/max1363.o File size after: text data bss dec hex filename 37015 384 0 37399 9217 drivers/iio/adc/max1363.o Signed-off-by: -
simran singhal authored
Check for attribute_group structures that are only stored in the event_attrs filed of iio_info structure. As the event_attrs field of iio_info structures is constant, so these attribute_group structures can also be declared constant. Done using coccinelle: @r1 disable optional_qualifier @ identifier i; position p; @@ static struct attribute_group i@p = {...}; @ok1@ identifier r1.i; position p; struct iio_info x; @@ x.event_attrs=&i@p; @bad@ position p!={r1.p,ok1.p}; identifier r1.i; @@ i@p @depends on !bad disable optional_qualifier@ identifier r1.i; @@ static +const struct attribute_group i={...}; @depends on !bad disable optional_qualifier@ identifier r1.i; @@ +const struct attribute_group i; File size before: text data bss dec hex filename 3046 360 0 3406 d4e drivers/iio/dac/ad5504.o File size after: text data bss dec hex filename 3110 296 0 3406 d4e drivers/iio/dac/ad5504.o Signed-off-by:
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- 25 Mar, 2017 9 commits
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Olivier Leveque authored
Symbolic permissions 'S_IWUSR | S_IRUGO' are not preferred. Consider using octal permissions '0644'. Found running checkpatch. Signed-off-by:
Olivier Leveque <o_leveque@orange.fr> Signed-off-by:
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Mark Stenglein authored
Fixes three checkpatch warnings due to braces used when single statements are sufficient. Signed-off-by:
Mark Stenglein <mark@stengle.in> Signed-off-by:
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Eva Rachel Retuya authored
Standard deviation is calculated as the square root of the variance where variance is the mean of sample_sum and length. Correct the computation of statP->stddev in accordance to the proper calculation. Fixes: 3c97c08b ("staging: iio: add TAOS tsl2x7x driver") Reported-by:
Abhiram Balasubramanian <abhiram@cs.utah.edu> Signed-off-by:
Eva Rachel Retuya <eraretuya@gmail.com> Signed-off-by:
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Song Hongyan authored
Environmental humidity sensor is a hid defined sensor, it shows raw humidity measurement of air. More information can be found in: http://www.usb.org/developers/hidpage/HUTRR39b.pdf According to IIO ABI definition, humidityrelative data output unit is milli percent. Add the unit convert from percent to milli percent. Signed-off-by:
Song Hongyan <hongyan.song@intel.com> Signed-off-by:
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Song Hongyan authored
Scale value include two parts: unit conversion and exponent conversion. Add gravity unit convert table to fix gravity sensor scale value not right issue. Signed-off-by:
Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Signed-off-by:
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Manivannan Sadhasivam authored
This patch adds support for STMicro VL6180 - ALS, range and proximity sensor. Sensor is capable of measuring the light intensity as well as object distance using TOF (Time of Flight) technology. Signed-off-by:
Manivannan Sadhasivam <manivannanece23@gmail.com> Signed-off-by:
Peter Meerwald-Stadler <pmeerw@pmeerw.net> Acked-by:
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Arushi Singhal authored
Remove the extra parenthesis remove the checkpatch issue. Signed-off-by:
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Enric Balletbo i Serra authored
Use resourced managed function devm_iio_triggered_buffer_setup to make error path simpler and be able to get rid of the remove function. Signed-off-by:
Enric Balletbo i Serra <enric.balletbo@collabora.com> Signed-off-by:
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Heiner Kallweit authored
This patch adds calibration for the Meson SAR ADC. Points 25% vref and 75% vref are used for calibration. It uses a simple linear calibration function: SCALE * val + BIAS Successfully tested on a Odroid C2. Signed-off-by:
Heiner Kallweit <hkallweit1@gmail.com> Tested-by:
Martin Blumenstingl <martin.blumenstingl@googlemail.com> Reviewed-by:
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- 23 Mar, 2017 3 commits
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Gargi Sharma authored
adis16203_read_raw does not need lock for IIO_CHAN_INFO_CALIBBIAS since adis_read_reg_16 is already atomic and nothing else needs to be protected. Signed-off-by:
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Narcisa Ana Maria Vasile authored
This was reported by checkpatch.pl: CHECK: Alignment should match open parenthesis Signed-off-by:
Narcisa Ana Maria Vasile <narcisaanamaria12@gmail.com> Signed-off-by:
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Narcisa Ana Maria Vasile authored
This was reported by checkpatch.pl: CHECK: Please use a blank line after function/struct/union/enum declarations Signed-off-by:
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