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    Subject[PATCH 12/13] video/backlight: LP855X needs PWM
    Date
    From: Arnd Bergmann <arnd@arndb.de>

    The LP855X driver cannot be successfully built if we don't
    enable the PWM subsystem. This patch makes that dependency
    explicit in Kconfig and prevents broken randconfig builds.

    Signed-off-by: Arnd Bergmann <arnd@arndb.de>
    Signed-off-by: Peter Griffin <peter.griffin@linaro.org>
    Cc: Jingoo Han <jg1.han@samsung.com>
    Cc: Milo Kim <milo.kim@ti.com>
    Cc: Bryan Wu <cooloney@gmail.com>
    Cc: Lee Jones <lee.jones@linaro.org>
    Cc: Jean-Christophe Plagniol-Villard <plagnioj@jcrosoft.com>
    Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
    Cc: linux-fbdev@vger.kernel.org
    ---
    drivers/video/backlight/Kconfig | 2 +-
    1 file changed, 1 insertion(+), 1 deletion(-)

    diff --git a/drivers/video/backlight/Kconfig b/drivers/video/backlight/Kconfig
    index 5675511..5d44905 100644
    --- a/drivers/video/backlight/Kconfig
    +++ b/drivers/video/backlight/Kconfig
    @@ -386,7 +386,7 @@ config BACKLIGHT_LM3639

    config BACKLIGHT_LP855X
    tristate "Backlight driver for TI LP855X"
    - depends on BACKLIGHT_CLASS_DEVICE && I2C
    + depends on BACKLIGHT_CLASS_DEVICE && I2C && PWM
    help
    This supports TI LP8550, LP8551, LP8552, LP8553, LP8555, LP8556 and
    LP8557 backlight driver.
    --
    1.7.9.5


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