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[03/15] video: fbdev: nvidia: Introduce backlight_get_brightness()

Message ID 20230107-sam-video-backlight-drop-fb_blank-v1-3-1bd9bafb351f@ravnborg.org
State New
Headers show
Series [01/15] video: fbdev: atmel_lcdfb: Rework backlight handling | 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: Antonino Daplas <adaplas@gmail.com>
Cc: linux-fbdev@vger.kernel.org
---
 drivers/video/fbdev/nvidia/nv_backlight.c | 8 +-------
 1 file changed, 1 insertion(+), 7 deletions(-)
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Patch

diff --git a/drivers/video/fbdev/nvidia/nv_backlight.c b/drivers/video/fbdev/nvidia/nv_backlight.c
index 2ce53529f636..503a7a683855 100644
--- a/drivers/video/fbdev/nvidia/nv_backlight.c
+++ b/drivers/video/fbdev/nvidia/nv_backlight.c
@@ -49,17 +49,11 @@  static int nvidia_bl_update_status(struct backlight_device *bd)
 {
 	struct nvidia_par *par = bl_get_data(bd);
 	u32 tmp_pcrt, tmp_pmc, fpcontrol;
-	int level;
+	int level = backlight_get_brightness(bd);
 
 	if (!par->FlatPanel)
 		return 0;
 
-	if (bd->props.power != FB_BLANK_UNBLANK ||
-	    bd->props.fb_blank != FB_BLANK_UNBLANK)
-		level = 0;
-	else
-		level = bd->props.brightness;
-
 	tmp_pmc = NV_RD32(par->PMC, 0x10F0) & 0x0000FFFF;
 	tmp_pcrt = NV_RD32(par->PCRTC0, 0x081C) & 0xFFFFFFFC;
 	fpcontrol = NV_RD32(par->PRAMDAC, 0x0848) & 0xCFFFFFCC;