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fbdev: aty128fb: 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: Paul Mackerras <paulus@samba.org>
Cc: Helge Deller <deller@gmx.de>
Cc: linux-fbdev@vger.kernel.org
Cc: dri-devel@lists.freedesktop.org
Reviewed-by: Sam Ravnborg <sam@ravnborg.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 21:23:29 +02:00 committed by Helge Deller
parent b7bfaa761d
commit 5b3fc9988d
1 changed files with 2 additions and 4 deletions
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6
drivers/video/fbdev/aty/aty128fb.c
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@ -1766,12 +1766,10 @@ static int aty128_bl_update_status(struct backlight_device *bd)
unsigned int reg = aty_ld_le32(LVDS_GEN_CNTL);
int level;
if (bd->props.power != FB_BLANK_UNBLANK ||
bd->props.fb_blank != FB_BLANK_UNBLANK ||
!par->lcd_on)
if (!par->lcd_on)
level = 0;
else
level = bd->props.brightness;
level = backlight_get_brightness(bd);
reg |= LVDS_BL_MOD_EN | LVDS_BLON;
if (level > 0) {