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path: root/drivers/video/backlight/ld9040.c
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2013-11-13backlight: ld9040: use devm_{backlight,lcd}_device_register()Jingoo Han1-15/+6
Use devm_backlight_device_register() and devm_lcd_device_register() to make cleanup paths simpler. Signed-off-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-11-13backlight: use dev_get_platdata()Jingoo Han1-1/+1
Use the wrapper function for retrieving the platform data instead of accessing dev->platform_data directly. This is a cosmetic change to make the code simpler and enhance the readability. Signed-off-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-04-30backlight: ld9040: convert ld9040 to dev_pm_opsJingoo Han1-11/+9
Instead of using legacy suspend/resume methods, using newer dev_pm_ops structure allows better control over power management. Signed-off-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-02-22drivers/video/backlight/ld9040.c: use devm_regulator_bulk_get() APISachin Kamat1-8/+3
devm_regulator_bulk_get is device managed and saves some cleanup and exit code. Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org> Cc: Donghwa Lee <dh09.lee@samsung.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-02-22backlight: ld9040: use spi_get_drvdata and spi_set_drvdataJingoo Han1-5/+5
Use the wrapper functions for getting and setting the driver data using spi_device instead of using dev_{get|set}_drvdata with &spi->dev, so we can directly pass a struct spi_device. Signed-off-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-02-22backlight: ld9040: reorder inclusions of <linux/xxx.h>Jingoo Han1-14/+5
Reorder inclusions of <linux/xxx.h> for redability, according to alphabetical ordering. Also, unnecessary header comments are removed. Signed-off-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-02-22backlight: ld9040: remove redundant return variablesJingoo Han1-20/+4
Redundant return variables are removed to reduce the code. Signed-off-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-02-22backlight: ld9040: replace EFAULT with EINVALJingoo Han1-2/+2
Replace EFAULT with EINVAL, because EFAULT tends to be for the invalid memory addresses. Signed-off-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-02-22backlight: ld9040: remove unnecessary NULL deference checkJingoo Han1-15/+13
Removee unnecessary NULL deference check, because it was already checked in ld9040_probe(). Also, power_is_on is replaced with ld9040_power_is_on(). Signed-off-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-02-22backlight: ld9040: use sleep instead of delayJingoo Han1-6/+7
Replace mdelay with msleep to remove the busy loop waiting. Signed-off-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-11-29backlight: remove use of __devexitBill Pemberton1-1/+1
CONFIG_HOTPLUG is going away as an option so __devexit is no longer needed. Signed-off-by: Bill Pemberton <wfp5p@virginia.edu> Cc: Richard Purdie <rpurdie@rpsys.net> Cc: Florian Tobias Schandinat <FlorianSchandinat@gmx.de> Acked-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-11-29backlight: remove use of __devexit_pBill Pemberton1-1/+1
CONFIG_HOTPLUG is going away as an option so __devexit_p is no longer needed. Signed-off-by: Bill Pemberton <wfp5p@virginia.edu> Cc: Richard Purdie <rpurdie@rpsys.net> Cc: Florian Tobias Schandinat <FlorianSchandinat@gmx.de> Acked-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-05-30backlight: ld9040: use devm_ functionsJingoo Han1-8/+6
The devm_ functions allocate memory that is released when a driver detaches. This patch uses devm_kzalloc of these functions. Signed-off-by: Jingoo Han <jg1.han@samsung.com> Cc: Donghwa Lee <dh09.lee@samsung.com> Cc: Richard Purdie <rpurdie@rpsys.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-05-30blacklight: remove redundant spi driver bus initializationLars-Peter Clausen1-1/+0
In ancient times it was necessary to manually initialize the bus field of an spi_driver to spi_bus_type. These days this is done in spi_driver_register() so we can drop the manual assignment. The patch was generated using the following coccinelle semantic patch: // <smpl> @@ identifier _driver; @@ struct spi_driver _driver = { .driver = { - .bus = &spi_bus_type, }, }; // </smpl> Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Cc: Richard Purdie <rpurdie@rpsys.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-03-24backlight: convert backlight spi drivers to module_spi_driverAxel Lin1-12/+1
Factor out some boilerplate code for spi driver registration into module_spi_driver. Signed-off-by: Axel Lin <axel.lin@gmail.com> Acked-by: Jingoo Han <jg1.han@samsung.com> Cc: Eric Miao <eric.y.miao@gmail.com> Acked-by: Alberto Panizzo <alberto@amarulasolutions.com> Cc: Donghwa Lee <dh09.lee@samsung.com> Acked-by: Marek Vasut <marek.vasut@gmail.com> Cc: Haavard Skinnemoen <hskinnemoen@atmel.com> Cc: InKi Dae <inki.dae@samsung.com> Cc: Dmitry Baryshkov <dbaryshkov@gmail.com> Cc: Ben Dooks <ben-linux@fluff.org> Cc: Richard Purdie <rpurdie@rpsys.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-01-11backlight/ld9040.c: regulator control in the driverDonghwa Lee1-12/+59
This patch supports regulator power control in the driver. Current ld9040 driver was controlled power on/off sequence by callback function in the board file. But, by doing this, there's no need to register lcd power on/off callback function in the board file. Signed-off-by: Donghwa Lee <dh09.lee@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: Inki Dae <inki.dae@samsung.com> Cc: Richard Purdie <rpurdie@rpsys.net> Cc: Florian Tobias Schandinat <FlorianSchandinat@gmx.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-11-01video: Add module.h to drivers/video files who really use it.Paul Gortmaker1-0/+1
They were getting this implicitly by an include of module.h from device.h -- but we are going to clean that up and break that include chain, so include module.h explicitly now. [ with contributions from Axel Lin <axel.lin@gmail.com> ] Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
2011-07-26backlight: set backlight type and max_brightness before backlights are ↵Axel Lin1-2/+6
registered Since commit a19a6ee "backlight: Allow properties to be passed at registration" and commit bb7ca74 "backlight: add backlight type", we can set backlight type and max_brightness before backlights are registered. Some newly added drivers did not set it properly, let's fix it. Signed-off-by: Axel Lin <axel.lin@gmail.com> Cc: Matthew Garrett <mjg@redhat.com> Cc: Jingoo Han <jg1.han@samsung.com> Cc: Donghwa Lee <dh09.lee@samsung.com> Cc: InKi Dae <inki.dae@samsung.com> Cc: Richard Purdie <rpurdie@rpsys.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-07-26drivers/video/backlight/ld9040.c: small fixesAxel Lin1-3/+6
- Fix checking of wrong return value for backlight_device_register() - Properly free allocated resources in ld9040_probe() error path and ld9040_remove(). Signed-off-by: Axel Lin <axel.lin@gmail.com> Cc: Donghwa Lee <dh09.lee@samsung.com> Cc: Richard Purdie <rpurdie@rpsys.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-03-23drivers/vidfeo/backlight: ld9040 amoled driver supportDonghwa Lee1-0/+819
Add a ld9040 amoled panel driver. Signed-off-by: Donghwa Lee <dh09.lee@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: Inki Dae <inki.dae@samsung.com> Cc: Richard Purdie <rpurdie@rpsys.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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