From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S266274AbUHaSJN (ORCPT ); Tue, 31 Aug 2004 14:09:13 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S266257AbUHaSJM (ORCPT ); Tue, 31 Aug 2004 14:09:12 -0400 Received: from mx1.redhat.com ([66.187.233.31]:14044 "EHLO mx1.redhat.com") by vger.kernel.org with ESMTP id S266274AbUHaSFz (ORCPT ); Tue, 31 Aug 2004 14:05:55 -0400 Date: Tue, 31 Aug 2004 14:05:37 -0400 From: Alan Cox To: Linux and Kernel Video Cc: Luca Risolia , akpm@osdl.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 2.6.9-rc1-mm1] Disable colour conversion in the CPiA Video Camera driver Message-ID: <20040831180537.GA22376@devserv.devel.redhat.com> References: <20040830013201.7d153288.akpm@osdl.org> <20040830133205.GC1727@bytesex> <20040830203117.5acca627.luca.risolia@studio.unibo.it> <20040831175235.GA21130@bytesex> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20040831175235.GA21130@bytesex> User-Agent: Mutt/1.4.1i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Aug 31, 2004 at 07:52:36PM +0200, Gerd Knorr wrote: > the lack of a sane negotiation of the color formats in the v4l1 API > you'll get warning printk's even if there is no real problem. xawtv for The warning printks are bugs > example doesn't depend on RGB formats being available, but will try to > use them (which then generates a warning printk), and failing that The printk is the bug here. The v4l1 design isnt very good either on this matter but thats a seperate screwup 8) > That isn't true. I can remember that at least one usb webcam driver > stopped working with xawtv because in-kernel software conversion was > dropped and xawtv had no support the specific color format used by > that webcam at that time. Generally neither party will fix such problems until its forced. So a little pain ends up neccessary > In any case the message should make clear the intention of this, i.e. > that it is planned to drop in-kernel conversion altogether by -- say -- > sept 2005 (should be enougth warning time), that is disabled by default We've been saying its not allowed since 2000 or so, if nobody listens whats the point of saying 2005