From mboxrd@z Thu Jan 1 00:00:00 1970 From: Olivier =?ISO-8859-1?Q?Cr=EAte?= Subject: Re: Surround sound not working on ALC887 based motherboard Date: Wed, 15 Jan 2014 12:50:38 -0500 Message-ID: <1389808238.4661.24.camel@TesterBox> References: <1389286414.4661.13.camel@TesterBox> <1389643950.28960.6.camel@TesterTop4> <1389719312.4661.21.camel@TesterBox> Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============8272550899595749603==" Return-path: Received: from relais.videotron.ca (relais.videotron.ca [24.201.245.36]) by alsa0.perex.cz (Postfix) with ESMTP id E533A265146 for ; Wed, 15 Jan 2014 18:51:47 +0100 (CET) Received: from TesterServ.TesterNet ([135.19.19.22]) by VL-VM-MR006.ip.videotron.ca (Oracle Communications Messaging Exchange Server 7u4-22.01 64bit (built Apr 21 2011)) with ESMTP id <0MZG00GX1EYA3210@VL-VM-MR006.ip.videotron.ca> for alsa-devel@alsa-project.org; Wed, 15 Jan 2014 12:51:46 -0500 (EST) In-reply-to: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: alsa-devel-bounces@alsa-project.org To: Raymond Yau Cc: ALSA Development Mailing List List-Id: alsa-devel@alsa-project.org --===============8272550899595749603== Content-type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="=-iWCfHge9Uf0eMPlStfzX" --=-iWCfHge9Uf0eMPlStfzX Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Wed, 2014-01-15 at 15:35 +0800, Raymond Yau wrote: >=20 >=20 >=20 > 2014/1/15 Olivier Cr=C3=AAte > Hi, > =20 > =20 > > > I have a Asus P5G41T-M LX Plus motherboard which > is ICH7 + > > > Realtek > > > ALC887-VD, alsa only lets me access the first 2 > channels > > > (stereo), but > > > not the 6 other ones. It works fine in Windows. > > > > > > Trying to run this after killing pulseaudio fails: > > > > > > $ aplay -D surround40:0 -f S16_LE -r 44100 -c > 4 /dev/zero -v > > > Playing raw data '/dev/zero' : Signed 16 bit > Little Endian, > > > Rate 44100 Hz, Channels 4 > > > aplay: set_params:1239: Channels count non > available > > > > > > > > > Output from alsa-info: > > > > http://www.alsa-project.org/db/?f=3Dfe378d28f0dbb5a427b005d20866a= 762fd37d31a > > > > > > > > post output of pactl list or pulseaudio verbose log > > > > http://www.ocrete.ca/surround/pactl-list.txt > > http://www.ocrete.ca/surround/pulseaudio-vv.txt > > > > > you have to change channel mode from 2ch to 6ch to retask > the input > > > jacks as output if your motherboard only have three audio > jacks at > > > rear panel > > > > How would one do that ? Pulseaudio only offers Stereo > profiles. > =20 >=20 > amixer -c0 set "Channel Mode" "6ch" >=20 >=20 > > > > > do you mean pulseaudio cannot probe the surroun40 or surround51 > > > profile ? > > > > Yes, but I can't use it with aplay even without pulseaudio running. > > > > > Simple mixer control 'Channel Mode',0 > > > Capabilities: enum > > > Items: '2ch' '4ch' '6ch' > > > Item0: '2ch' > > > > >=20 >=20 > > For some reason didn't get your last email, but I saw I saw it on > the > > archive.. Thanks for your solution, it worked! Definitely something > > PulseAudio should expose better. >=20 >=20 >=20 >=20 > do it really work since rear mic become active port even when it had > been retasked as output ? The 6 outputs work at the same time. I didn't try it as a mic as I don't have a mic here... > Ports: > analog-input-front-mic: Front Microphone (priority: 8500, not available= ) > analog-input-rear-mic: Rear Microphone (priority: 8200, available) > analog-input-linein: Line In (priority: 8100, available) > Active Port: analog-input-rear-mic --=20 Olivier Cr=C3=AAte olivier.crete@ocrete.ca --=-iWCfHge9Uf0eMPlStfzX Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part Content-Transfer-Encoding: 7bit -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iEYEABECAAYFAlLWym4ACgkQHTiOWk7ZorsJywCfYS0Xcn2oGDyTa+1inSgjxlN2 O2oAmQEkz+sr9Eywyza0WebY6n+7uzMl =oPV1 -----END PGP SIGNATURE----- --=-iWCfHge9Uf0eMPlStfzX-- --===============8272550899595749603== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline --===============8272550899595749603==--