video: backlight-pwm: Add error message
Inform the user when we can't find a pwm for the backlight driver.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
1 parent ec54ba6 commit 7bc30c827603ef0c070ca2ccc29146fff70928da
@Sascha Hauer Sascha Hauer authored on 23 Sep 2015
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drivers/video/backlight-pwm.c