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[06/15] video: fbdev: aty128fb: Introduce backlight_get_brightness()

Message ID 20230107-sam-video-backlight-drop-fb_blank-v1-6-1bd9bafb351f@ravnborg.org (mailing list archive)
State New, archived
Headers show
Series backlight: Drop use of deprecated fb_blank property | expand

Commit Message

Sam Ravnborg via B4 Relay Jan. 7, 2023, 6:26 p.m. UTC 
From: Sam Ravnborg <sam@ravnborg.org>

Introduce backlight_get_brightness() to simplify logic
and avoid direct access to backlight properties.

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: linux-fbdev@vger.kernel.org
---
 drivers/video/fbdev/aty/aty128fb.c | 11 ++---------
 1 file changed, 2 insertions(+), 9 deletions(-)
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Patch

diff --git a/drivers/video/fbdev/aty/aty128fb.c b/drivers/video/fbdev/aty/aty128fb.c
index dd31b9d7d337..736126cc5049 100644
--- a/drivers/video/fbdev/aty/aty128fb.c
+++ b/drivers/video/fbdev/aty/aty128fb.c
@@ -1764,17 +1764,10 @@  static int aty128_bl_update_status(struct backlight_device *bd)
 {
 	struct aty128fb_par *par = bl_get_data(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)
-		level = 0;
-	else
-		level = bd->props.brightness;
+	int level = backlight_get_brightness(bd);
 
 	reg |= LVDS_BL_MOD_EN | LVDS_BLON;
-	if (level > 0) {
+	if (level > 0 || par->lcd_on) {
 		reg |= LVDS_DIGION;
 		if (!(reg & LVDS_ON)) {
 			reg &= ~LVDS_BLON;