linux-kernel - [PATCH] vga16fb: fix color component length for pseudocolor modes

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Message-ID: <20090330220523.GA6993@spock.one.pl>
Date:	Tue, 31 Mar 2009 00:05:24 +0200
From:	Michal Januszewski <spock@...too.org>
To:	linux-kernel@...r.kernel.org
Cc:	linux-fbdev-devel@...ts.sourceforge.net
Subject: [PATCH] vga16fb: fix color component length for pseudocolor modes

vga16fb incorrectly sets the length of the color fields to 6 or 2 bits
for PSEUDOCOLOR modes, for which either 8 or 4 bits are used per pixel.
Fix this by setting the length to 8 or 4, respectively.

Signed-off-by: Michal Januszewski <spock@...too.org>
---
diff --git a/drivers/video/vga16fb.c b/drivers/video/vga16fb.c
index 5b29389..50033b9 100644
--- a/drivers/video/vga16fb.c
+++ b/drivers/video/vga16fb.c
@@ -506,7 +506,7 @@ static int vga16fb_check_var(struct fb_var_screeninfo *var,
 	var->red.offset = var->green.offset = var->blue.offset = 
 	var->transp.offset = 0;
 	var->red.length = var->green.length = var->blue.length =
-		(par->isVGA) ? 6 : 2;
+		(par->isVGA) ? 8 : 4;
 	var->transp.length = 0;
 	var->activate = FB_ACTIVATE_NOW;
 	var->height = -1;
--
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