fbdev: atyfb: 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: 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>

diff --git a/drivers/video/fbdev/aty/atyfb_base.c b/drivers/video/fbdev/aty/atyfb_base.c
index d59215a..b02e4e6 100644 (file)
--- a/drivers/video/fbdev/aty/atyfb_base.c
+++ b/drivers/video/fbdev/aty/atyfb_base.c
@@ -2219,13 +2219,7 @@ static int aty_bl_update_status(struct backlight_device *bd)
 {
        struct atyfb_par *par = bl_get_data(bd);
        unsigned int reg = aty_ld_lcd(LCD_MISC_CNTL, par);
-       int level;
-
-       if (bd->props.power != FB_BLANK_UNBLANK ||
-           bd->props.fb_blank != FB_BLANK_UNBLANK)
-               level = 0;
-       else
-               level = bd->props.brightness;
+       int level = backlight_get_brightness(bd);
 
        reg |= (BLMOD_EN | BIASMOD_EN);
        if (level > 0) {