Date: Tue, 9 Aug 2005 22:23:04 +0000 From: Michael Seyfert <michaels@sdf.lonestar.org> To: freebsd-multimedia@freebsd.org Cc: skywizard@mybsd.org.my Subject: Massive sound changes / fix (24/32bit pcm support, new sampling rate converter, various fixes) Message-ID: <20050809222304.GA2491@SDF.LONESTAR.ORG>
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> General sound infrastructure changes
> ====================================
>
> ac97.c
> * Slightly new method to detect mixer capabilities and resolution.
> This mostly to help CT4730, but apparently it does help other
> cards too (especially via8233x). This probably need futher test
> and confirmation from other people with ac97 cards other than via
> / es137x.
> * Aggresive dac power wake up call, again, to help CT4730 (and
> probably others).
Please revert src/sys/dev/sound/pcm/ac97.c back to 1.43, these changes mess up the volume control on my
audigy 2 card. It seems the struct ac97mixtable_entry.bits field isn't getting properly
setup.
I'm not sure what you're doing with this code:
for (k = 0; j != 0; k++)
j >>= 1;
for (j = 0; k != 0; j++)
k >>= 1;
if (j != 0) {
codec->mix[i].enable = 1;
#if 0
codec->mix[i].bits = j;
#endif
} else
codec->mix[i].enable = 0;
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