From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261652AbVC1BnF (ORCPT ); Sun, 27 Mar 2005 20:43:05 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261662AbVC1BnF (ORCPT ); Sun, 27 Mar 2005 20:43:05 -0500 Received: from ppp-217-133-42-200.cust-adsl.tiscali.it ([217.133.42.200]:47450 "EHLO g5.random") by vger.kernel.org with ESMTP id S261652AbVC1BnC (ORCPT ); Sun, 27 Mar 2005 20:43:02 -0500 Date: Mon, 28 Mar 2005 03:42:59 +0200 From: Andrea Arcangeli To: Benjamin Herrenschmidt Cc: Takashi Iwai , Linux Kernel list Subject: Re: Mac mini sound woes Message-ID: <20050328014259.GF4110@g5.random> References: <1111966920.5409.27.camel@gaston> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1111966920.5409.27.camel@gaston> X-GPG-Key: 1024D/68B9CB43 13D9 8355 295F 4823 7C49 C012 DFA1 686E 68B9 CB43 User-Agent: Mutt/1.5.9i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Mar 28, 2005 at 09:42:00AM +1000, Benjamin Herrenschmidt wrote: > suggest I just don't do any control ? Or should I implement a double > buffer scheme with software gain as well in the kernel driver ? I recall to have sometime clicked on volume controls that weren't hardware related, I don't pay much attention when stuff works, perhaps it was the kde sound system doing it or something like that. I would suggest doing the D->A only, then adding a basic hack to g5 too ;), and then go back to the mini to do the gain emulation in kernel space if somebody complains ;). Doing the software emulation sounds quite orthogonal to the rest so it can be done later if needed. Too loud sound is better than no sound.