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>

diff --git a/drivers/video/fbdev/aty/aty128fb.c b/drivers/video/fbdev/aty/aty128fb.c
index dd31b9d7d337cc41fb61e9b14a6a65f663be1c4f..36a9ac05a340f93ab6f1259001ad2feee6791e24 100644 (file)
--- a/drivers/video/fbdev/aty/aty128fb.c
+++ b/drivers/video/fbdev/aty/aty128fb.c
@@ -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) {