[PATCH] pwm-backlight: Turn off pwm backlight in probe

[Markus Pargmann]

The backlight will be enabled by the panel again if it is used. So we
can save the default brightness and disable the pwm backlight when
probing.

Signed-off-by: Markus Pargmann <mpa at pengutronix.de>
---
 drivers/video/backlight/pwm_bl.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/video/backlight/pwm_bl.c b/drivers/video/backlight/pwm_bl.c
index 336b83be7e2d..b4f433a6f106 100644
--- a/drivers/video/backlight/pwm_bl.c
+++ b/drivers/video/backlight/pwm_bl.c
@@ -317,9 +317,11 @@ static int pwm_backlight_probe(struct platform_device *pdev)
 		data->dft_brightness = data->max_brightness;
 	}
 
-	bl->props.brightness = data->dft_brightness;
+	bl->props.brightness = 0;
 	backlight_update_status(bl);
 
+	bl->props.brightness = data->dft_brightness;
+
 	platform_set_drvdata(pdev, bl);
 	return 0;
 
-- 
2.1.0