backlight: Show brightness even if get_brightness is not implemented
Many implementations of get_brightness operation returns only value
of props.brightness field. This change makes such implementations
unnecessary.
Acked-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
diff --git a/drivers/video/backlight/backlight.c b/drivers/video/backlight/backlight.c
index 4280890..bddc8b1 100644
--- a/drivers/video/backlight/backlight.c
+++ b/drivers/video/backlight/backlight.c
@@ -223,6 +223,8 @@
mutex_lock(&bd->ops_lock);
if (bd->ops && bd->ops->get_brightness)
rc = sprintf(buf, "%d\n", bd->ops->get_brightness(bd));
+ else
+ rc = sprintf(buf, "%d\n", bd->props.brightness);
mutex_unlock(&bd->ops_lock);
return rc;