commit 59753a805499f1ffbca4ac0a24b3dff67bf00001
author Linus Torvalds <torvalds@linux-foundation.org> Thu Aug 28 10:47:10 2014 -0700
committer Linus Torvalds <torvalds@linux-foundation.org> Thu Aug 28 10:47:10 2014 -0700
tree 3ff8c0d825712352b9c6548322721e10fd09ee6c
parent 2db3cff2d3ebb0f377d93c5253624927c0a35cf9
parent 937222c4dda495277a8dfbc18bf7e54fe670105c

Merge tag 'backlight-fixes-3.17' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight

Pull backlight fix from Lee Jones:
 "One simple fix to invalidate GPIO non-request"

* tag 'backlight-fixes-3.17' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight:
  pwm-backlight: Fix bogus request for GPIO#0 when instantiated from DT

drivers/video/backlight/pwm_bl.c

diff --git a/drivers/video/backlight/pwm_bl.c b/drivers/video/backlight/pwm_bl.c
index d7a3d13..b85983e 100644
--- a/drivers/video/backlight/pwm_bl.c
+++ b/drivers/video/backlight/pwm_bl.c
@@ -173,6 +173,7 @@
 		data->max_brightness--;
 	}
 
+	data->enable_gpio = -EINVAL;
 	return 0;
 }