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From: davej@redhat.com
To: linux-kernel@vger.kernel.org
Cc: torvalds@osdl.org, akpm@osdl.org
Subject: logic error in aty128fb
Date: Fri, 23 Jan 2004 06:35:25 +0000	[thread overview]
Message-ID: <E1Ajuub-0000xm-00@hardwired> (raw)

Negate the expression not the register seems more sensible?

    Dave

diff -urpN --exclude-from=/home/davej/.exclude bk-linus/drivers/video/aty/aty128fb.c linux-2.5/drivers/video/aty/aty128fb.c
--- bk-linus/drivers/video/aty/aty128fb.c	2003-10-15 05:00:42.000000000 +0100
+++ linux-2.5/drivers/video/aty/aty128fb.c	2004-01-14 07:07:10.000000000 +0000
@@ -2102,7 +2102,7 @@ aty128_set_backlight_enable(int on, int 
 	reg |= LVDS_BL_MOD_EN | LVDS_BLON;
 	if (on && level > BACKLIGHT_OFF) {
 		reg |= LVDS_DIGION;
-		if (!reg & LVDS_ON) {
+		if (!(reg & LVDS_ON)) {
 			reg &= ~LVDS_BLON;
 			aty_st_le32(LVDS_GEN_CNTL, reg);
 			(void)aty_ld_le32(LVDS_GEN_CNTL);

                 reply	other threads:[~2004-01-23  6:38 UTC|newest]

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