From mboxrd@z Thu Jan 1 00:00:00 1970 From: Anisse Astier Subject: Re: Mic Boost control problem with snd-hda-intel codec AL662 rev 1 Date: Wed, 13 Jan 2010 18:45:25 +0100 Message-ID: <20100113184525.576d7b94@destiny.ordissimo> References: <20100106164338.2f3764bf@destiny.ordissimo> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mail-fx0-f212.google.com (mail-fx0-f212.google.com [209.85.220.212]) by alsa0.perex.cz (Postfix) with ESMTP id 75726103802 for ; Wed, 13 Jan 2010 18:45:40 +0100 (CET) Received: by fxm4 with SMTP id 4so72623878fxm.32 for ; Wed, 13 Jan 2010 09:45:39 -0800 (PST) In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: alsa-devel-bounces@alsa-project.org Errors-To: alsa-devel-bounces@alsa-project.org To: Takashi Iwai Cc: alsa-devel@alsa-project.org List-Id: alsa-devel@alsa-project.org On Tue, 12 Jan 2010 12:43:13 +0100, Takashi Iwai wrote : > At Wed, 6 Jan 2010 16:43:38 +0100, > Anisse Astier wrote: > > > > Hi, > > > > The Mic Boost control on a laptop seems to behave incorrectly. The > > control has the flag "volume" instead of "cvolume", causing it to appear > > in both the "Playback" and "Capture" tabs of alsamixer. > > This wouldn't be a problem if it would just work in the Capture tab: it > > doesn't. > > When I modify it in Capture, it doesn't retain its value: it's gone after > > i close alsamixer. But if i modify it in "Playback" it will retain its > > value and the value will be mirrored by the Mic Boost in Capture (both > > Mic Boost seem to reflect the same control, except one is RO, the other > > is RW). > > > > It's a minor a annoyance, but I'd like to fix it and have "Mic Boost" > > appear only as a Capture control and retaining its value. Maybe I should > > create a new mixer configuration for this hardware in patch_realtek.c, but > > I don't know where to start. Bios autoprobing works for everything but > > just what I mentioned. > > Well, Mic Boost is applied to both playback and capture in case you > have analog loopback. So, it's not entirely wrong. > > The problem is rather the inconsistent behavior in alsamixer. > I guess it's a bug of old alsa-lib. Try to upgrade the alsa-lib and > alsa-utils first. You were right, problem goes away after upgrading userland lib and utils. Thanks! Anisse