From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756215AbZERH4y (ORCPT ); Mon, 18 May 2009 03:56:54 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751128AbZERH4k (ORCPT ); Mon, 18 May 2009 03:56:40 -0400 Received: from cantor.suse.de ([195.135.220.2]:51559 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750876AbZERH4k (ORCPT ); Mon, 18 May 2009 03:56:40 -0400 Date: Mon, 18 May 2009 09:56:38 +0200 Message-ID: From: Takashi Iwai To: Richard Kennedy Cc: perex@perex.cz, lkml Subject: Re: regression in 2.6.30-rc6 -- via82xx sound very quiet In-Reply-To: <1242633154.2709.25.camel@localhost.localdomain> References: <1242578874.2748.11.camel@localhost.localdomain> <1242592683.2748.24.camel@localhost.localdomain> <1242633154.2709.25.camel@localhost.localdomain> User-Agent: Wanderlust/2.12.0 (Your Wildest Dreams) SEMI/1.14.6 (Maruoka) FLIM/1.14.7 (=?ISO-8859-4?Q?Sanj=F2?=) APEL/10.6 Emacs/22.3 (x86_64-suse-linux-gnu) MULE/5.0 (SAKAKI) MIME-Version: 1.0 (generated by SEMI 1.14.6 - "Maruoka") Content-Type: text/plain; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org At Mon, 18 May 2009 08:52:34 +0100, Richard Kennedy wrote: > > On Mon, 2009-05-18 at 08:04 +0200, Takashi Iwai wrote: > > At Sun, 17 May 2009 21:38:03 +0100, > > Richard Kennedy wrote: > > > > > > On Sun, 2009-05-17 at 19:16 +0200, Takashi Iwai wrote: > > > > At Sun, 17 May 2009 17:47:54 +0100, > > > > Richard Kennedy wrote: > > > > > > > > > > In the current git 2.6.30-rc6 the sound from my motherboard has become > > > > > extremely quiet, I have to turn my speakers up all the way to hear > > > > > anything at all. > > > > > I'm not too sure when the problem first started but I've just tested > > > > > 2.6.30-rc4 and it works correctly. > > > > > > > > Try to correct "DXS Playback Volume" mixer elements. > > > > The dB range of these volumes were fixed recently to the correct > > > > values. If the old mixer value is restored using the dB value, > > > > it would be restored to a much lower value, which explains your > > > > symptom. > > > > > > > > Simply set these volumes to the max (i.e. 0dB) and never change unless > > > > you really need them. > > > > > > > > > > > > thanks, > > > > > > > > Takashi > > > > > > Hi Takashi, > > > > > > thanks for that. Yes that works. > > > > Thanks for checking. > > > > > I didn't even know I had that control, so I guess this could be a common > > > problem. > > > > Yes, unfortunately, it would hit to many via82xx ac97 chips. > > As the original value was wrong, it can't be corrected so easily from > > the driver side. Manual corrections seem needed, but just only once. > > > > > > Takashi > > Yes it's easy to do. > But it would be nice if we could give the users a hint as to what's gone > wrong. Would it be ok to add a log message at startup ? > > something like "your DXS volume control may need reseting". Unfortunately this can't be detected by the system because the old stored value is still a valid value, just less than expected. But yes, we might need to inform this somewhere in a better place. Takashi