From mboxrd@z Thu Jan 1 00:00:00 1970 From: Takashi Iwai Subject: Re: [Survey] headphone <-> master volume swap -- which codec chip? Date: Mon, 27 Jan 2003 12:15:27 +0100 Sender: alsa-devel-admin@lists.sourceforge.net Message-ID: References: <3E311B10.6070901@esat.kuleuven.ac.be> <3E312127.6020500@esat.kuleuven.ac.be> Mime-Version: 1.0 (generated by SEMI 1.14.4 - "Hosorogi") Content-Type: text/plain; charset=US-ASCII Return-path: In-Reply-To: <3E312127.6020500@esat.kuleuven.ac.be> Errors-To: alsa-devel-admin@lists.sourceforge.net List-Help: List-Post: List-Subscribe: , List-Unsubscribe: , List-Archive: To: Pieter Palmers Cc: alsa-devel@lists.sourceforge.net List-Id: alsa-devel@alsa-project.org At Fri, 24 Jan 2003 12:19:03 +0100, Pieter Palmers wrote: > > Takashi Iwai wrote: > > >At Fri, 24 Jan 2003 11:53:04 +0100, > >Pieter Palmers wrote: > > > > > >>I experience another problem regarding AC97. I have a Maestro2e based > >>board, with an ESS ES1918 codec attached. But the AC97 code seems to > >>recorgnise it as a Sigmatel Codec. > >> > >> > > > >this seems somehow irrelevant, but i can check if you give me the > >output of ac97#0 and ac97#0regs proc files. > > > > > >Takashi > > > > it isn't much of a problem, but for the fact that chip-specific controls > aren't built correctly. For example: I get a 'surround volume' controle, > whilst the codec has only one DAC. Also I have 3D controls, a feature > that isn't present on the codec. well, EXTID (0x28) shows actually the bit 0x80, which means that the chip has surround support. this is really a system-dependent quirk. > The fact is that the VID registers indicate that it is a Sigmatel > codec... maybe ESS just put their stamp on a sigmatel codec? yeah, perhaps an OEM chip? Takashi ------------------------------------------------------- This SF.NET email is sponsored by: SourceForge Enterprise Edition + IBM + LinuxWorld = Something 2 See! http://www.vasoftware.com