Messages in this thread Patch in this message | | | Date | Wed, 11 Feb 2004 12:58:39 +0100 | From | Takashi Iwai <> | Subject | Re: 2.6.3-rc1: snd_intel8x0 still too fast |
| |
At Tue, 10 Feb 2004 14:03:40 +0200 (EET), Meelis Roos wrote: > > > > mplayer /usr/share/sounds/KDE_Startup.wav > > > gives the same very fast sound since it's a 22 KHz mono sample. > > > > > > mplayer -srate 48000 /usr/share/sounds/KDE_Startup.wav > > > works fine. Same applies to all files. > > > > then VRA of ac97 seems not working correctly. > > check /proc/asound/card0/codec97#0/* files for each case whether the > > DAC rate is set correctly. (it must be tuned with the detected ac97 > > clock, i.e. rate * clock / 48000). > > PCM front DAC : 41133Hz > PCM ADC : 48000Hz > > This is with "intel8x0: clocking to 41133" and playing with mplayer > -srate 48000 ... > > PCM front DAC : 18895Hz > PCM ADC : 48000Hz
does the attached patch improve?
if it still doesn't help, try the following:
- stop ALSA once - remove /etc/asound.state - restart ALSA and tune up mixer again
Takashi --- linux/sound/pci/ac97/ac97_patch.c 9 Feb 2004 11:38:03 -0000 1.35 +++ linux/sound/pci/ac97/ac97_patch.c 11 Feb 2004 11:56:19 -0000 @@ -682,6 +682,9 @@ jack = snd_ac97_read(ac97, AC97_AD_JACK_SPDIF); snd_ac97_write_cache(ac97, AC97_AD_JACK_SPDIF, jack | 0x0300); + /* set default */ + snd_ac97_write_cache(ac97, AC97_AD_MISC, 0); + ac97->build_ops = &patch_ad1885_build_ops; return 0; } | |