From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1761986AbXGRJTT (ORCPT ); Wed, 18 Jul 2007 05:19:19 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1750802AbXGRJTL (ORCPT ); Wed, 18 Jul 2007 05:19:11 -0400 Received: from mail.atmel.fr ([81.80.104.162]:57453 "EHLO atmel-es2.atmel.fr" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751251AbXGRJTK (ORCPT ); Wed, 18 Jul 2007 05:19:10 -0400 Message-ID: <469DDAE0.4010106@rfo.atmel.com> Date: Wed, 18 Jul 2007 11:18:24 +0200 From: Nicolas Ferre Organization: atmel User-Agent: Thunderbird 1.5.0.12 (Windows/20070509) MIME-Version: 1.0 To: "Antonino A. Daplas" , linux-fbdev-devel@lists.sourceforge.net CC: Haavard Skinnemoen , Linux Kernel list Subject: [PATCH] atmel_lcdfb: Use spare bits in 32bpp mode as alpha channel References: <11826149894079-git-send-email-hskinnemoen@atmel.com> In-Reply-To: <11826149894079-git-send-email-hskinnemoen@atmel.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-ESAFE-STATUS: Mail clean X-ESAFE-DETAILS: Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org From: Haavard Skinnemoen Set var->transp.offset and var->transp.length in 32bpp mode to indicate that the 8 otherwise unused bits can be used for transparency. Signed-off-by: Haavard Skinnemoen Signed-off-by: Nicolas Ferre --- drivers/video/atmel_lcdfb.c | 5 ++++- 1 files changed, 4 insertions(+), 1 deletions(-) diff --git a/drivers/video/atmel_lcdfb.c b/drivers/video/atmel_lcdfb.c index a05491f..bb361ab 100644 --- a/drivers/video/atmel_lcdfb.c +++ b/drivers/video/atmel_lcdfb.c @@ -221,8 +221,11 @@ static int atmel_lcdfb_check_var(struct fb_var_screeninfo *var, var->blue.offset = 10; var->red.length = var->green.length = var->blue.length = 5; break; - case 24: case 32: + var->transp.offset = 24; + var->transp.length = 8; + /* fall through */ + case 24: var->red.offset = 0; var->green.offset = 8; var->blue.offset = 16;