From mboxrd@z Thu Jan 1 00:00:00 1970 From: Takashi Iwai Subject: Re: intel8x0 has stopped working. Date: Mon, 02 Feb 2004 18:59:56 +0100 Sender: alsa-devel-admin@lists.sourceforge.net Message-ID: References: <401E8BAE.6010802@superbug.demon.co.uk> Mime-Version: 1.0 (generated by SEMI 1.14.5 - "Awara-Onsen") Content-Type: text/plain; charset=US-ASCII Return-path: Received: from Cantor.suse.de (ns.suse.de [195.135.220.2]) by alsa.alsa-project.org (8.9.3/8.9.3/SuSE Linux 8.9.3-0.1) with ESMTP id TAA20032 for ; Mon, 2 Feb 2004 19:06:08 +0100 In-Reply-To: <401E8BAE.6010802@superbug.demon.co.uk> Errors-To: alsa-devel-admin@lists.sourceforge.net List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , List-Archive: To: James Courtier-Dutton Cc: ALSA development List-Id: alsa-devel@alsa-project.org At Mon, 02 Feb 2004 17:41:02 +0000, James Courtier-Dutton wrote: > > In alsa 0.9.8, the snd-intel8x0 worked find with my MB. An ICH5 with ALC650. > With alsa 1.0.2, I get: - > device: front -> no-sound output > device: surround40: -> Only sound on rear left, and rear right. > device: surround51: -> Only sound on rear left, and rear right, center, lfe > > So, in all cases there is never sound on the front speakers. > > The same problem has happened to a person with an ICH2, which only has > front speakers, so they get no sound at all. > > I am investigating, and I suspect that the mixer has just lost the > mixer/mute for the front speakers. hmm, it looks like a generic problem of intel8x0 with ALC65x. in the recent version, the detection and implementation of PCM streams have been changed, and i guess it's broken for these codecs. > Is there a tool where I can adjust ac97 registers directly through a > IOCTL or something, for test purposes? % cat /proc/asound/card0/codec97#0/ac97#0-0+regs we'll need to trace the behavior in snd_ac97_pcm_*() functions... Takashi ------------------------------------------------------- The SF.Net email is sponsored by EclipseCon 2004 Premiere Conference on Open Tools Development and Integration See the breadth of Eclipse activity. February 3-5 in Anaheim, CA. http://www.eclipsecon.org/osdn