- 30 Apr, 2013 40 commits
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Matus Ujhelyi authored
Signed-off-by:
Matus Ujhelyi <matus.ujhelyi@streamunlimited.com> Cc: Grant Likely <grant.likely@secretlab.ca> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Kim, Milo authored
Enable supporting the DT structure of LP855x family devices. If the platform data is NULL, the driver tries to parse a DT structure. Then, the platform data is copied from the DT. Documentation is added as well. Signed-off-by:
Milo(Woogyom) Kim <milo.kim@ti.com> Signed-off-by:
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Kim, Milo authored
The 'load_new_rom_data' was used for checking whether new ROM data should be updated or not. However, we can decide it with 'size_program' data. If the size is greater than 0, it means updating ROM area is required. Otherwise, the default ROM data will be used. Therefore, this duplicate platform data can be removed. Signed-off-by:
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Kim, Milo authored
Valid range of the brightness is from 0 to 255, so initial brightness is changed from integer to u8. Signed-off-by:
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Kim, Milo authored
The brightness of LP855x devices is controlled by I2C register or PWM input . This mode was selected through the platform data, but it can be chosen by the driver internally without platform data configuration. How to decide the control mode: If the PWM period has specific value, the mode is PWM input. On the other hand, the mode is register-based. This mode selection is done on the _probe(). Move 'mode' from a header file to the driver private data structure, 'lp855 x'. And correlated code was replaced. Signed-off-by:
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Kim, Milo authored
Configurable data, backlight device name is set to constant character type. Signed-off-by:
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Jingoo Han authored
Instead of using legacy suspend/resume methods, using newer dev_pm_ops structure allows better control over power management. Also, use of pm_message_t is deprecated. Thus, it is removed. Signed-off-by:
Jingoo Han <jg1.han@samsung.com> Signed-off-by:
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Jingoo Han authored
Instead of using legacy suspend/resume methods, using newer dev_pm_ops structure allows better control over power management. Signed-off-by:
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Jingoo Han authored
Instead of using legacy suspend/resume methods, using newer dev_pm_ops structure allows better control over power management. Signed-off-by:
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Andrew Bresticker authored
Platform LCD devices may need to do some device-specific initialization before they can be used (regulator or GPIO setup, for example), but currently the driver does not support any way of doing this. This patch adds a probe() callback to plat_lcd_data which platform LCD devices can set to indicate that device-specific initialization is needed. Signed-off-by:
Andrew Bresticker <abrestic@chromium.org> Cc: Richard Purdie <rpurdie@rpsys.net> Cc: Florian Tobias Schandinat <FlorianSchandinat@gmx.de> Reviewed-by:
Doug Anderson <dianders@chromium.org> Acked-by:
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Jingoo Han authored
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 authored
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: -
Guennadi Liakhovetski authored
Add support for configuring AS3711 backlight driver from DT. Signed-off-by:
Guennadi Liakhovetski <g.liakhovetski+renesas@gmail.com> Reviewed-by:
Mark Brown <broonie@opensource.wolfsonmicro.com> Cc: Magnus Damm <magnus.damm@gmail.com> Cc: Simon Horman <horms@verge.net.au> Cc: Samuel Ortiz <sameo@linux.intel.com> Acked-by:
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Wei Yongjun authored
Fix to return a negative error code from the error handling case instead of zero, as returned elsewhere in this function. Signed-off-by:
Wei Yongjun <yongjun_wei@trendmicro.com.cn> Acked-by:
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Wei Yongjun authored
Fix to return a negative error code from the error handling case instead of zero, as returned elsewhere in this function. Signed-off-by:
Michael Hennerich <michael.hennerich@analog.com> Signed-off-by:
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Kim, Milo authored
sysfs allocates PAGE_SIZE. It is used by each R/W operation method. Use it instead of another buffer size. Signed-off-by:
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Jingoo Han authored
Use BL_CORE_SUSPENDRESUME option to support suspend/resume. It reduces code size. Signed-off-by:
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Stefano Babic authored
Add LCD driver for Ilitek ILI9221/ILI9222 controller. The driver uses SPI interface for controller access and configuration and RGB interface for graphics data transfer. Signed-off-by:
Stefano Babic <sbabic@denx.de> Signed-off-by:
Anatolij Gustschin <agust@denx.de> Cc: Richard Purdie <rpurdie@rpsys.net> Cc: Florian Tobias Schandinat <FlorianSchandinat@gmx.de> Cc: Jingoo Han <jg1.han@samsung.com> Signed-off-by:
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Devendra Naga authored
While compiling with make W=1 (gcc gcc (GCC) 4.7.2 20121109 (Red Hat 4.7.2-8)) the following warning happens: drivers/video/backlight/adp5520_bl.c: In function `adp5520_show': drivers/video/backlight/adp5520_bl.c:146:6: warning: variable `error' set but not used [-Wunused-but-set-variable] fixed by checking the return value of the variable Signed-off-by:
Devendra Naga <devendra.aaru@gmail.com> Acked-by:
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Paul Bolle authored
Fix three typos (originally) introduced by commit a9a84c37 ("atmel_lcdfb: backlight control"). Two of these typos were introduced in v2.6.25. (The third was introduced in 915190f7 ("[ARM] 5614/1: at91: atmel_lcdfb: add at91sam9g10 support to atmel LCD driver")). Checking these commits reveals that the default value of 'y' has never been set automatically in all releases since v2.6.25! Perhaps this line might as well be dropped. Signed-off-by:
Paul Bolle <pebolle@tiscali.nl> Cc: Florian Tobias Schandinat <FlorianSchandinat@gmx.de> Acked-by:
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Jingoo Han authored
Instead of using legacy suspend/resume methods, using newer dev_pm_ops structure allows better control over power management. Signed-off-by:
-
Jingoo Han authored
Instead of using legacy suspend/resume methods, using newer dev_pm_ops structure allows better control over power management. Signed-off-by:
-
Jingoo Han authored
Instead of using legacy suspend/resume methods, using newer dev_pm_ops structure allows better control over power management. Signed-off-by:
-
Jingoo Han authored
Instead of using legacy suspend/resume methods, using newer dev_pm_ops structure allows better control over power management. Signed-off-by:
-
Jingoo Han authored
Instead of using legacy suspend/resume methods, using newer dev_pm_ops structure allows better control over power management. Signed-off-by:
-
Jingoo Han authored
Instead of using legacy suspend/resume methods, using newer dev_pm_ops structure allows better control over power management. Signed-off-by:
-
Jingoo Han authored
Instead of using legacy suspend/resume methods, using newer dev_pm_ops structure allows better control over power management. Signed-off-by:
-
Jingoo Han authored
Instead of using legacy suspend/resume methods, using newer dev_pm_ops structure allows better control over power management. Signed-off-by:
-
Jingoo Han authored
Instead of using legacy suspend/resume methods, using newer dev_pm_ops structure allows better control over power management. Signed-off-by:
-
Jingoo Han authored
Instead of using legacy suspend/resume methods, using newer dev_pm_ops structure allows better control over power management. Signed-off-by:
-
Jingoo Han authored
Instead of using legacy suspend/resume methods, using newer dev_pm_ops structure allows better control over power management. Signed-off-by:
-
Jingoo Han authored
Instead of using legacy suspend/resume methods, using newer dev_pm_ops structure allows better control over power management. Signed-off-by:
-
Jingoo Han authored
Instead of using legacy suspend/resume methods, using newer dev_pm_ops structure allows better control over power management. Signed-off-by:
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Jingoo Han authored
Instead of using legacy suspend/resume methods, using newer dev_pm_ops structure allows better control over power management. Signed-off-by:
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Jingoo Han authored
regulator_enable() is marked as as __must_check. Therefore the return value of regulator_enable() should be checked. Also, this patch checks return value of regulator_set_voltage(). Signed-off-by:
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Jingoo Han authored
Add missing braces to include error message. The error message is related to the return value for sysfs_create_group(). However, sysfs_create_group() is called when pdata->en_ambl_sens is not zero. Thus, the checking return value should be included in the if statement. Signed-off-by:
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Jingoo Han authored
dev_info() is preferred to pr_info(). Signed-off-by:
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Jingoo Han authored
dev_info() is preferred to pr_info(). Signed-off-by:
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Jingoo Han authored
dev_err()/dev_info() are preferred to pr_err()/pr_info(). Signed-off-by:
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Devendra Naga authored
While doing with make W=1 gcc (gcc (GCC) 4.7.2 20121109 (Red Hat 4.7.2-8)) I found drivers/video/backlight/lp855x_bl.c: In function `lp855x_probe': drivers/video/backlight/lp855x_bl.c:342:35: warning: variable `mode' set but not used [-Wunused-but-set-variable] fixed by removing it as since its not used anywhere Signed-off-by:
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