[PATCH v2] backlight: pwm_bl: Switch to full GPIO descriptor

[Robert Jarzmik]

Linus Walleij <linus.walleij at linaro.org> writes:

> The PWM backlight still supports passing a enable GPIO line as
> platform data using the legacy <linux/gpio.h> API.
>
> It turns out that ever board using this mechanism except one
> is pass .enable_gpio = -1. So we drop all these cargo-culted -1's
> from all instances of this platform data in the kernel.
>
> The remaning board, Palm TC, is converted to pass a machine
> descriptior table with the "enable" GPIO instead, and delete the
> platform data entry for enable_gpio and the code handling it
> and things should work smoothly with the new API.
>
> Cc: Krzysztof Kozlowski <krzk at kernel.org>
> Cc: Robert Jarzmik <robert.jarzmik at free.fr>
> Cc: Guan Xuetao <gxt at pku.edu.cn>
> Reviewed-by: Bartosz Golaszewski <bgolaszewski at baylibre.com>
> Signed-off-by: Linus Walleij <linus.walleij at linaro.org>
> ---
> ChangeLog v1->v2:
> - Located a missing removal of .enable_gpio in the Palm TC
>   board file, pointed out by Daniel.
> - Grepped to ascertain there is not a single instance of
>   the string "enable_gpio" in the affected board files.

For arch/arm/mach-pxa :
Acked-by: Robert Jarzmik <robert.jarzmik at free.fr>

Cheers.

--
Robert