- 01 Apr, 2017 3 commits
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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 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 <singhalsimran0@gmail.com> Signed-off-by:
Jonathan Cameron <jic23@kernel.org>
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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 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:
Rob Herring <robh@kernel.org> Signed-off-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 9 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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Narcisa Ana Maria Vasile authored
This was reported by checkpatch.pl Signed-off-by:
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Arushi Singhal authored
The IIO subsystem is redefining iio_dev->mlock to be used by the IIO core only for protecting device operating mode changes. ie. Changes between INDIO_DIRECT_MODE, INDIO_BUFFER_* modes. In this driver, mlock was being used to protect hardware state changes. Replace it with a lock in the devices global data. Signed-off-by:
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simran singhal authored
This patch removes trailing whitespaces in order to follow the Linux coding style. Signed-off-by:
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simran singhal authored
Alphabetize and separate kernel and subsystem headers. Signed-off-by:
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Arushi Singhal authored
This patch replaces bit shifting on 1 with the BIT(x) macro. This was done with coccinelle: @@ constant c; @@ -1 << c +BIT(c) Signed-off-by:
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simran singhal authored
The IIO subsystem is redefining iio_dev->mlock to be used by the IIO core only for protecting device operating mode changes. ie. Changes between INDIO_DIRECT_MODE, INDIO_BUFFER_* modes. In this driver, mlock was being used to protect hardware state changes. In the driver, buf_lock protects both the adis16060_spi_write() and adis16060_spi_read() functions and both are always called in pair. First write, then read. Refactor the code to have one single function adis16060_spi_write_than_read() protected by the buf_lock. This removes the need for additional locking via mlock, so this locking is removed. Signed-off-by:
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- 22 Mar, 2017 1 commit
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Greg Kroah-Hartman authored
Merge tag 'iio-for-4.12b' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-next Jonathan writes: 2nd set of new device support, features and cleanups for IIO in the 4.12 cycle A good collection of outreachy related patches in here - mostly staging driver cleanup. Also a fair number of patches added explicit OF device ID tables for i2c drivers - a precursor to dropping (eventually) the implicit probing. New Device Support * Allwinner SoC ADC. - So far covers the sun4i-a10, sun5i-a13 and sun6i-a31 general purpose ADCs, including thermal side of things. This missed the last cycle due to my incompetence, so good to get in now, particularly as various patches dependent on it are appearing. * ltc2632 - new driver supporting ltc2632-l12, ltc2632-l10, ltc2632-l8, ltc2632-h12, ltc-2632-h10, ltc-2632-h8 dacs Cleanups * Documentation - drop a broken reference to i2c/trivial-devices * ad2s1200 - drop & from function pointers for consistency. * ad2s1210 - formatting fixes. * ad7152 - octal permissions instead of symbolic. - drop & from function pointers for consistent usage. * ad7192 - drop & from function pointers for consistent usage. * ad7280 - replace core mlock usage with a local lock as mlock is intended only to protect the current device state (direct reads, or triggered and buffered) * ad7746 - drop & from function pointers for consistent usage. - replace core mlock usage with a local lock as mlock is intended only to protect the current device state (direct reads, or triggered and buffered) * ad7754 - move contents of header file into source file as not used anywhere else. * ad7759 - move contents of header file into source file as not used anywhere else. * ad7780 - drop & from function pointers for consistent usage. * ad7832 - replace core mlock usage with a local lock as mlock is intended only to protect the current device state (direct reads, or triggered and buffered) * ad9834 - replace core mlock usage with a local lock as mlock is intended only to protect the current device state (direct reads, or triggered and buffered) - drop an unnecessary goto in favour of direct return. * adis16060 - drop & from function pointers as inconsistent. * adis16201 - drop a local mutex as the adis core already protects everything necessary. - drop & from function pointers for consistent usage. * adis16203 - drop & from function pointers for consistent usage. * adis16209 - drop a local mutex as the adis core already protects everything necessary. - use an enum for scan index giving slightly nicer code. - drop & from function pointers for consistent usage. * adis16240 - drop a local mutex as the adis core already protects everything necessary. - use an enum for scan index giving slightly nicer code. - drop & from function pointers for consistent usage. * apds9960 - add OF device ID table. * bma180 - add OF device ID table. - prefer unsigned int to bare use of unsigned. * bmc150_magn - add OF device ID table. * hmp03 - add OF device ID table. * ina2xx - add OF device ID table. * itg3200 - add OF device ID table. * mag3110 - add OF device ID table. * max11100 - remove .owner field as it is set by the spi core. * max5821 - add .of_match_table set to the ID table which was present but not used. * mcp4725 - add OF device ID table. * mlx96014 - add OF device ID table. * mma7455 - add OF device ID table. * mma7660 - add OF device ID table. * mpl3115 - add OF device ID table. * mpu6050 - add OF device ID table. * pc104 - mask pc104 drivers behind a global pc104 config option. * ti-ads1015 - add OF device ID table. * tsl2563 - add OF device ID table. * us5182d - add OF device ID table.
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- 21 Mar, 2017 11 commits
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Maxime Roussin-Belanger authored
Add support for Linear Technology LTC2632 (SPI) family of· dual 12- 10-, and 8-bits output DACs. Signed-off-by:
Maxime Roussin-Belanger <maxime.roussinbelanger@gmail.com> Signed-off-by:
Jean-Francois Dagenais <jeff.dagenais@gmail.com> Signed-off-by:
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Tobin C. Harding authored
Driver uses multiple identifier names for the same task (retval, ret, rc). It would be easier to read the code if a single task is identified with a single name. 'ret' is the most common return value identifier name found in the kernel tree, following the principle of least surprise using 'ret' is a decent choice. Rename rc -> ret Rename retval -> ret Signed-off-by:
Tobin C. Harding <me@tobin.cc> Signed-off-by:
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Tobin C. Harding authored
Comparison, equal to zero, is redundant 'if (foo == 0)' is equal to 'if (!foo)' Typical kernel coding style is to use the shorter form. Remove unnecessary zero comparison. Signed-off-by:
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Tobin C. Harding authored
Comparison, does not equal zero, is redundant 'if (foo != 0)' is equal to 'if (foo)' Typical kernel coding style is to use the shorter form. Remove unnecessary non-zero comparison. Signed-off-by:
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Tobin C. Harding authored
Driver uses different label forms for similar purposes. It would be more clear if single use case has uniform label. 'out' is generic and adds no meaning to label. Documentation/process/coding-style.rst: Choose label names which say what the goto does or why the goto exists. Rename labels so as to better describe what they do. If an execution path only exists for the label on an error, prefix the label with 'err_'. If a non-error execution path exist do not use prefix. Signed-off-by:
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Tobin C. Harding authored
Function uses goto label with no clean up code. In this case we should just return directly. Remove goto statement, return directly on error. Signed-off-by:
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Tobin C. Harding authored
Checkpatch emits CHECK: multiple assignments should be avoided. Move multiple line assignment to individual lines. Signed-off-by:
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Tobin C. Harding authored
Checkpatch emits CHECK: Unbalanced braces around else statement. Statements in question are single statements so we do not need braces. Checkpatch also warns about multiple line dereference for this code. Fix if/else/else if statement use of braces. Fix function argument layout at the same time since it is the same statement. Signed-off-by:
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Tobin C. Harding authored
Checkpatch emits CHECK: Alignment should match open parenthesis. Fix alignment to open parenthesis in line with kernel coding style. Signed-off-by:
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Tobin C. Harding authored
Checkpatch emits CHECK: No space is necessary after a cast. Remove unnecessary space after cast. Signed-off-by:
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Tobin C. Harding authored
Checkpatch emits CHECK: Please use a blank line after function/struct/union/enum declarations. Add blank line after function definition. Signed-off-by:
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