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fbdev: radeon: Use backlight helper 

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 <steve@sk2.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Helge Deller <deller@gmx.de>
Cc: linux-fbdev@vger.kernel.org
Cc: dri-devel@lists.freedesktop.org
Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org>
Signed-off-by: Helge Deller <deller@gmx.de>
This commit is contained in:
Stephen Kitt 2022-06-07 21:23:31 +02:00 committed by Helge Deller
parent 1535ec9764
commit c28509ef9c
1 changed files with 1 additions and 5 deletions
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6
drivers/video/fbdev/aty/radeon_backlight.c
View File

@ -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();