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path: root/drivers/leds/leds-lm3642.c
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2016-01-04leds: lm3642: Remove work queueAndrew Lunn1-51/+22
Now the core implements the work queue, remove it from the driver, and switch to using brightness_set_blocking op. Signed-off-by: Andrew Lunn <andrew@lunn.ch> Cc: Daniel Jeong <daniel.jeong@ti.com> Cc: G.Shark Jeong <gshark.jeong@gmail.com> Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com>
2015-08-28leds: Drop owner assignment from i2c_driverKrzysztof Kozlowski1-1/+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: Jacek Anaszewski <j.anaszewski@samsung.com>
2014-06-26leds: lm3642: fix attribute-creation raceJohan Hovold1-16/+14
Use the attribute groups of the led-class to create the flash and torch-LED attributes during probe in order to avoid racing with userspace. Signed-off-by: Johan Hovold <johan@kernel.org> Signed-off-by: Bryan Wu <cooloney@gmail.com>
2013-08-27leds: use dev_get_platdata()Jingoo Han1-1/+1
Use the wrapper function for retrieving the platform data instead of accessing dev->platform_data directly. Signed-off-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: Bryan Wu <cooloney@gmail.com>
2013-04-01leds: lm355x, lm3642: support camera LED triggers for flash and torchKim, Milo1-0/+2
LM355x and LM3642 support flash and torch functionality. (Camera driver) (LED trigger for camera) (LED driver) Turn on the flash ...> ledtrig_flash_ctrl(true) ...> LM355x or LM3642 brightness ctrl <actual driving here> Flash/torch LEDs are controlled by other driver using LED camera trigger APIs, ledtrig_flash_ctrl()/ledtrig_torch_ctrl(). Then, actual device control is activated by each LED driver such like LM355x or LM3642. Signed-off-by: Milo(Woogyom) Kim <milo.kim@ti.com> Signed-off-by: Bryan Wu <cooloney@gmail.com>
2013-02-02leds: lm3642: rename devAttr to avoid CamelCaseJingoo Han1-2/+2
Fixed the checkpatch warning as below: WARNING: Avoid CamelCase: <devAttr> Rename devAttr to attr. Signed-off-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: Bryan Wu <cooloney@gmail.com>
2012-12-16Merge branch 'for-next' of ↵Linus Torvalds1-6/+6
git://git.kernel.org/pub/scm/linux/kernel/git/cooloney/linux-leds Pull LED subsystem update from Bryan Wu. * 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/cooloney/linux-leds: (47 commits) leds: leds-lp5521: return an error code on error in probe() leds: leds-clevo-mail: Use pr_* instead of printks leds: leds-rb532: Fix checkpatch errors leds: led-triggers: Fix checkpatch warnings leds: ledtrig-backlight: Fix checkpatch error leds: leds-wrap: Use <linux/io.h> instead of <asm/io.h> leds: leds-wm8350: Use dev_err instead of printk leds: leds-pwm: Fix checkpatch warning leds: leds-pca955x: Use dev_info instead of printk leds: leds-net48xx: Use linux/io.h instead of asm/io.h leds: leds-lt3593: Fix checkpatch warnings leds: leds-gpio: Use dev_info instead of printk leds: leds-da903x: Fix checkpatch error and warnings leds: leds-bd2802: Fix checkpatch warnings leds: leds-adp5520: Fix checkpatch warnings leds: led-class: Fix checkpatch warning leds: leds-ns2: use devm_gpio_request_one leds: leds-lt3593: use devm_gpio_request_one leds: leds-gpio: use devm_gpio_request_one leds: lp3944: Fix return value ...
2012-11-29leds: 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: Jan-Simon Moeller <jansimon.moeller@gmx.de> Acked-by: Bryan Wu <cooloney@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-11-29leds: remove use of __devinitBill Pemberton1-2/+2
CONFIG_HOTPLUG is going away as an option so __devinit is no longer needed. Signed-off-by: Bill Pemberton <wfp5p@virginia.edu> Cc: Richard Purdie <rpurdie@rpsys.net> Cc: Jan-Simon Moeller <jansimon.moeller@gmx.de> Acked-by: Bryan Wu <cooloney@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-11-29leds: 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: Jan-Simon Moeller <jansimon.moeller@gmx.de> Acked-by: Bryan Wu <cooloney@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-11-27leds: lm3642: Fix up world writable sysfs filesAxel Lin1-2/+2
We don't need these sysfs files to be world writable or group writable. These files are write-only, change them to S_IWUSR (0200). Signed-off-by: Axel Lin <axel.lin@ingics.com> Acked-by: G.Shark Jeong <gshark.jeong@gmail.com> Signed-off-by: Bryan Wu <cooloney@gmail.com>
2012-11-27leds: lm3642: Return proper error in lm3642_[torch|strobe]_pin_store error pathsAxel Lin1-4/+4
Signed-off-by: Axel Lin <axel.lin@ingics.com> Acked-by: G.Shark Jeong <gshark.jeong@gmail.com> Signed-off-by: Bryan Wu <cooloney@gmail.com>
2012-09-24leds: lm3642: Use regmap_update_bits() in lm3642_chip_init()Axel Lin1-12/+3
Use regmap_update_bits() to replace regmap_read() + regmap_write(). With this patch, we only show the error message when regmap_update_bits() fails. Signed-off-by: Axel Lin <axel.lin@ingics.com> Acked-by: G.Shark Jeong<gshark.jeong@gmail.com> Signed-off-by: Bryan Wu <bryan.wu@canonical.com>
2012-09-13leds: Add new LED driver for lm3642 chipsG.Shark Jeong1-0/+471
This driver is a general version for LM642 led chip of TI. LM3642 : The LM3642 is a 4MHz fixed-frequency synchronous boost converter plus 1.5A constant current driver for a high-current white LED. The LM3642 is controlled via an I2C-compatible interface. Signed-off-by: G.Shark Jeong <gshark.jeong@gmail.com> Signed-off-by: Bryan Wu <bryan.wu@canonical.com>
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