linux-kernel - [PATCH 7/7] fbdev: riva: Use backlight helper

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Tue,  7 Jun 2022 21:23:35 +0200
From:   Stephen Kitt <steve@....org>
To:     Antonino Daplas <adaplas@...il.com>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Helge Deller <deller@....de>, Paul Mackerras <paulus@...ba.org>
Cc:     linux-fbdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        Stephen Kitt <steve@....org>, dri-devel@...ts.freedesktop.org
Subject: [PATCH 7/7] fbdev: riva: 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@....org>
Cc: Antonino Daplas <adaplas@...il.com>
Cc: Helge Deller <deller@....de>
Cc: linux-fbdev@...r.kernel.org
Cc: dri-devel@...ts.freedesktop.org
---
 drivers/video/fbdev/riva/fbdev.c | 8 +-------
 1 file changed, 1 insertion(+), 7 deletions(-)

diff --git a/drivers/video/fbdev/riva/fbdev.c b/drivers/video/fbdev/riva/fbdev.c
index 84d5e23ad7d3..534722b38053 100644
--- a/drivers/video/fbdev/riva/fbdev.c
+++ b/drivers/video/fbdev/riva/fbdev.c
@@ -292,13 +292,7 @@ static int riva_bl_update_status(struct backlight_device *bd)
 {
 	struct riva_par *par = bl_get_data(bd);
 	U032 tmp_pcrt, tmp_pmc;
-	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);
 
 	tmp_pmc = NV_RD32(par->riva.PMC, 0x10F0) & 0x0000FFFF;
 	tmp_pcrt = NV_RD32(par->riva.PCRTC0, 0x081C) & 0xFFFFFFFC;
-- 
2.30.2