From: Arnd Bergmann <[email protected]>

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 <[email protected]>
Signed-off-by: Peter Griffin <[email protected]>
Cc: Jingoo Han <[email protected]>
Cc: Milo Kim <[email protected]>
Cc: Bryan Wu <[email protected]>
Cc: Lee Jones <[email protected]>
Cc: Jean-Christophe Plagniol-Villard <[email protected]>
Cc: Tomi Valkeinen <[email protected]>
Cc: [email protected]
---
 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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