Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755859AbZCQLZb (ORCPT ); Tue, 17 Mar 2009 07:25:31 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754193AbZCQLZR (ORCPT ); Tue, 17 Mar 2009 07:25:17 -0400 Received: from ns2.suse.de ([195.135.220.15]:57264 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753268AbZCQLZQ (ORCPT ); Tue, 17 Mar 2009 07:25:16 -0400 Date: Tue, 17 Mar 2009 12:25:13 +0100 Message-ID: From: Takashi Iwai To: Andreas Mohr Cc: Maxim Levitsky , linux-kernel@vger.kernel.org, alsa-devel@alsa-project.org, Kernel Testers List Subject: Re: [alsa-devel] Bugs on aspire one A150 In-Reply-To: <20090317104755.GA1446@rhlx01.hs-esslingen.de> References: <20090316170015.GA9776@rhlx01.hs-esslingen.de> <20090316173000.GA25647@rhlx01.hs-esslingen.de> <20090316180638.GB25647@rhlx01.hs-esslingen.de> <20090316212227.GA29471@rhlx01.hs-esslingen.de> <20090317100500.GA16029@rhlx01.hs-esslingen.de> <20090317103845.GA26007@rhlx01.hs-esslingen.de> <20090317104755.GA1446@rhlx01.hs-esslingen.de> 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 Content-Length: 2183 Lines: 67 At Tue, 17 Mar 2009 11:47:55 +0100, Andreas Mohr wrote: > > On Tue, Mar 17, 2009 at 11:38:45AM +0100, Andreas Mohr wrote: > > NOPE. Aspire One most definitely has a Fortemedia SAM (small array > > microphone) due to this output: > > http://sites.google.com/site/kengell/acer-aspire-one---dmesg > > > > " > > ... > > ForteMedia SAM-Soft Library Loaded! > > > > ALC INIT > > ... > > " > > > > I had already wanted to add the mention of Fortemedia as microphone > > manufacturer (forgot this last time), then I researched more and found it. > > > > Fortemedia device names include FM2018-380, not sure yet which one is in > > Aspire One. > > > > http://www.fortemedia.com/products/index.htm > > ( especially http://www.fortemedia.com/products/fm1182.htm ) > > http://www.wpgholdings.com/event/S/SACg_04_ForteMedia_SAM.pdf > mentions "FM201x" and www.sacg.com.tw (this one could be useful!). > Searching Google "FM201[0-9] Fortemedia" comes up with FM2010 and > FM2018 and thus > http://www.hengdasheng.com.cn/uploadfile/391/cfile/2008102414057847.pdf > which is a relatively informative datasheet. I'm not sure whether FM2018 is on a netbook. Rather my guess is it's a digital-mic component by FortMedia together with their software library for SAM handling. BTW, a simple "fix" for the mono capture problem, you can patch the config file for HD-audio in alsa-lib like below. Then the first channel will be used for mono capture instead of averages. Give it a try. (But, this won't fix programs that prefer "hw" access such as pulseaudio, of course.) Takashi --- diff --git a/src/conf/cards/HDA-Intel.conf b/src/conf/cards/HDA-Intel.conf index 800281e..d3ac002 100644 --- a/src/conf/cards/HDA-Intel.conf +++ b/src/conf/cards/HDA-Intel.conf @@ -57,6 +57,8 @@ HDA-Intel.pcm.default { max_dB 30.0 resolution 121 } + # to avoid possible phase inversions with digital mics + route_policy copy } hint.device 0 } -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/