Re: [PATCHv12] video: backlight: gpio-backlight: Add DT support.

[Lee Jones]

On Thu, 27 Feb 2014, Denis Carikli wrote:

> Signed-off-by: Denis Carikli <denis@xxxxxxxxxx>
> ---
> ChangeLog v11-resend->v12:
> - Moved the Cc from the commit message to the "email patch".
> - The documentation is now more clear.
> - The unnecessary default_on variable was removed.
> - gbl->fbdev was already NULL and didn't need to be re-assigned,
>   so the re-assignement was removed.
> - The of_device_id struct and .of_match_table are now guarded
>   against the driver beeing compiled without CONFIG_OF.
> 
> ChangeLog v11->v11-resend:
> - Removed the Cc list because it's only one patch.
> 
> ChangeLog v10->v11:
> - Shrinked the Cc list.
> - Fixed the of_match_table warning.
> 
> ChangeLog v9->v10:
> - Only the respective maintainers, or people who responded to the patch
>   were kept in the Cc.
> - The unnecessary of_match_ptr in of_match_table was removed.
> 
> ChangeLog v8->v9:
> - Added Shawn Guo in the Cc list.
> - The default-brightness-level is now a boolean default-on property,
>   the gpio is only touched if the gpio-backlight driver instance probes.
> - The code and documentation was updated accordingly.
> 
> ChangeLog v7->v8:
> - The default-state was renamed to default-brightness-level.
> - default-brightness-level is now mandatory, like for backlight-pwm,
>   That way we avoid having to handle the case where it's not set,
>   which means that we would need not to set the gpio, but still
>   report a brightness value for sysfs, when not all gpio controllers are
>   able to read the gpio value.
> - switched the default-brightness-level to boolean values (0 or 1) instead
>   of using strings ("on", "off", "keep").
> - The documentation was updated accordingly.
> - The example in the documentation now uses the dts gpio defines.
> - The "backlight: gpio_backlight: Use a default state enum." patch was then
>   dropped, becuase it is not necessary anymore.
> 
> ChangeLog v6->v7:
> - removed a compilation warning with the removal of the useless ret declaration.
> 
> ChangeLog v5->v6:
> - The default state handling was reworked:
>   - it's now called default-state, and looks like the gpio-leds default-state.
>   - it now has a "keep" option, like for the gpio-leds.
>   - that "keep" option is the default when the default-state property is not set.
> - The documentation was updated accordingly.
> 
> ChangeLog v4->v5:
> - The default-brightness property now defaults to 0 in the driver.
> - def_value int becomes a bool.
> - The check for the gpio validity has been reworked.
> ---
>  .../bindings/video/backlight/gpio-backlight.txt    |   16 ++++++
>  drivers/video/backlight/gpio_backlight.c           |   58 +++++++++++++++++---
>  2 files changed, 67 insertions(+), 7 deletions(-)
>  create mode 100644 Documentation/devicetree/bindings/video/backlight/gpio-backlight.txt

Applied with Jingoo's Ack.

-- 
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org â Open source software for ARM SoCs
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