[PATCH 07/15] video: fbdev: mx3fb: Introduce backlight_get_brightness()

Sam Ravnborg via B4 Submission Endpoint devnull+sam.ravnborg.org at kernel.org
Sat Jan 7 10:26:21 PST 2023


From: Sam Ravnborg <sam at ravnborg.org>

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

Signed-off-by: Sam Ravnborg <sam at ravnborg.org>
Cc: Sam Ravnborg <sam at ravnborg.org>
Cc: Kate Stewart <kstewart at linuxfoundation.org>
Cc: Thomas Gleixner <tglx at linutronix.de>
Cc: Laurent Pinchart <laurent.pinchart at ideasonboard.com>
Cc: Greg Kroah-Hartman <gregkh at linuxfoundation.org>
Cc: Arnd Bergmann <arnd at arndb.de>
Cc: Jani Nikula <jani.nikula at intel.com>
---
 drivers/video/fbdev/mx3fb.c | 8 +-------
 1 file changed, 1 insertion(+), 7 deletions(-)

diff --git a/drivers/video/fbdev/mx3fb.c b/drivers/video/fbdev/mx3fb.c
index b945b68984b9..bc35f664cbff 100644
--- a/drivers/video/fbdev/mx3fb.c
+++ b/drivers/video/fbdev/mx3fb.c
@@ -283,12 +283,7 @@ static int mx3fb_bl_get_brightness(struct backlight_device *bl)
 static int mx3fb_bl_update_status(struct backlight_device *bl)
 {
 	struct mx3fb_data *fbd = bl_get_data(bl);
-	int brightness = bl->props.brightness;
-
-	if (bl->props.power != FB_BLANK_UNBLANK)
-		brightness = 0;
-	if (bl->props.fb_blank != FB_BLANK_UNBLANK)
-		brightness = 0;
+	int brightness = backlight_get_brightness(bl);
 
 	fbd->backlight_level = (fbd->backlight_level & ~0xFF) | brightness;
 
@@ -325,7 +320,6 @@ static void mx3fb_init_backlight(struct mx3fb_data *fbd)
 
 	fbd->bl = bl;
 	bl->props.power = FB_BLANK_UNBLANK;
-	bl->props.fb_blank = FB_BLANK_UNBLANK;
 	bl->props.brightness = mx3fb_bl_get_brightness(bl);
 }
 

-- 
2.34.1



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