Instead of retrieving the backlight brightness in struct
backlight_properties manually, and then checking whether the backlight
should be on at all, use backlight_get_brightness() which does all
this and insulates this from future changes.

Signed-off-by: Stephen Kitt <st...@sk2.org>
Cc: Benjamin Herrenschmidt <b...@kernel.crashing.org>
Cc: Helge Deller <del...@gmx.de>
Cc: linux-fb...@vger.kernel.org
Cc: dri-devel@lists.freedesktop.org
---
 drivers/video/fbdev/aty/radeon_backlight.c | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/drivers/video/fbdev/aty/radeon_backlight.c 
b/drivers/video/fbdev/aty/radeon_backlight.c
index d2c1263ad260..427adc838f77 100644
--- a/drivers/video/fbdev/aty/radeon_backlight.c
+++ b/drivers/video/fbdev/aty/radeon_backlight.c
@@ -57,11 +57,7 @@ static int radeon_bl_update_status(struct backlight_device 
*bd)
         * backlight. This provides some greater power saving and the display
         * is useless without backlight anyway.
         */
-        if (bd->props.power != FB_BLANK_UNBLANK ||
-           bd->props.fb_blank != FB_BLANK_UNBLANK)
-               level = 0;
-       else
-               level = bd->props.brightness;
+       level = backlight_get_brightness(bd);
 
        del_timer_sync(&rinfo->lvds_timer);
        radeon_engine_idle();
-- 
2.30.2

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