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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>
This commit is contained in:
Andrzej Hajda 2014-05-30 12:10:49 +02:00 committed by Lee Jones
parent a5d8e2e73c
commit b3de3402e5
1 changed files with 2 additions and 0 deletions
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2
drivers/video/backlight/backlight.c
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@ -223,6 +223,8 @@ static ssize_t actual_brightness_show(struct device *dev,
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;