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.