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path: root/drivers/iio/light/bh1750.c
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* iio: light: bh1750: Add device tree supportryang2018-09-291-0/+11
| | | | | | | Add device tree support for ROHM BH1750 series ambient light sensors. Signed-off-by: ryang <decatf@gmail.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
* iio: light: bh1750: simplify setting PM opsTomasz Duszynski2018-09-081-7/+2
| | | | | | | | | Relying on CONFIG_PM_SLEEP to set PM ops is not necessary since core will handle everything internally. One have to only make sure that functions that can go unused are marked with __maybe_unused. Signed-off-by: Tomasz Duszynski <tduszyns@gmail.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
* iio: light: bh1750: switch to SPDX identifierTomasz Duszynski2018-09-081-4/+1
| | | | | | | Drop boilerplate license text and use SPDX identifier instead. Signed-off-by: Tomasz Duszynski <tduszyns@gmail.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
* iio:light: drop assign iio_info.driver_module and iio_trigger_ops.ownerJonathan Cameron2017-08-221-1/+0
| | | | | | | | | The equivalent of both of these are now done via macro magic when the relevant register calls are made. The actual structure elements will shortly go away. Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Reviewed-by: Lars-Peter Clausen <lars@metafoo.de>
* iio: light: bh1750: constify attribute_group structuressimran singhal2017-04-011-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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 <singhalsimran0@gmail.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
* iio: convert to common i2c_check_functionality() return valueMatt Ranostay2016-02-271-1/+1
| | | | | | | | | Previously most drivers that used a i2c_check_functionality() check condition required various error codes on failure. This patchset converts to a standard of -EOPNOTSUPP Signed-off-by: Matt Ranostay <mranostay@gmail.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
* iio: Drop owner assignment from i2c_driverKrzysztof Kozlowski2015-07-111-1/+0
| | | | | | | | i2c_driver does not need to set an owner because i2c_register_driver() will set it. Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
* iio: light: add support for ROHM BH1710/BH1715/BH1721/BH1750/BH1751 ambient ↵Tomasz Duszynski2015-05-101-0/+334
light sensors Add support for ROHM BH1710/BH1715/BH1721/BH1750/BH1751 ambient light sensors. Signed-off-by: Tomasz Duszynski <tduszyns@gmail.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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