Date: Tue, 22 Mar 2005 10:46:39 -0500 From: Mathew Kanner <mat@cnd.mcgill.ca> To: David Cross <crossd@cs.rpi.edu> Cc: freebsd-multimedia@freebsd.org Subject: Re: AD1888 AC97 codec Message-ID: <20050322154639.GB8808@cnd.mcgill.ca> In-Reply-To: <1111475165.1908.3.camel@kagome> References: <1111475165.1908.3.camel@kagome>
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On Mar 22, David Cross wrote: > I am having some trouble with a machine with an AD1888 AC97 codec. > Searching the list I see that all I need to do is to move the speaker > connection from speaker to microphone. It works.. but windows actually > has the sound come out the designated speaker. Now as much as I don't > use windows on this machine it seems to indicate that we are in fact > doing something wrong. Weird stuff. > > Does anyone have a suggestion on what should be done? I've been looking > at the AC97 drivers and it looks pretty simple, is all that is missing > are references for the AD1888? I don't know, and I'm not sure if there's anybody around right now who does, so experimentation is required. Look in /usr/src/sys/dev/sound/pcm/ac97.c, you'll notice there's a structure with codec_id and an optional 'patch' functions, maybe the ad19xx patch is what is required. You can consider the alsa code a cheat sheet. :) --Mat
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