Re: 2.6.3-rc1: snd_intel8x0 still too fast

From: Meelis Roos
Date: Mon Feb 09 2004 - 13:37:18 EST


Today mplayer was OK when I tested, didn't retry KDE login. But the
kernel is the same, I have not rebooted inbetween.

> which ac97 codec chip? check /proc/asound/card0/codec97#0/* files.

i810_audio that I have currently loaded tells it's
ac97_codec: AC97 Audio codec, id: ADS96 (Analog Devices AD1885)

ALSA loaded, from /proc/asound/card0/codec97#0/ac97#0-0

0-0/0: Analog Devices AD1885

Capabilities : -headphone out-
DAC resolution : 16-bit
ADC resolution : 16-bit
3D enhancement : Analog Devices Phat Stereo

Current setup
Mic gain : +0dB [+0dB]
POP path : pre 3D
Sim. stereo : off
3D enhancement : off
Loudness : off
Mono output : MIX
Mic select : Mic1
ADC/DAC loopback : off
Extended ID : codec=0 rev=0 DSA=0 VRA
Extended status : VRA
PCM front DAC : 48000Hz
PCM ADC : 48000Hz



AD18XX configuration
Unchained : 0x1000,0x0000,0x0000
Chained : 0x0000,0x0000,0x0000


And +regs:

0:00 = 0410
0:02 = bf3f
0:04 = bf3f
0:06 = 801f
0:08 = 0000
0:0a = 801e
0:0c = 801f
0:0e = 801f
0:10 = 9f1f
0:12 = 9f1f
0:14 = 9f1f
0:16 = 9f1f
0:18 = 9f1f
0:1a = 0000
0:1c = 0000
0:1e = 0000
0:20 = 0000
0:22 = 0000
0:24 = 0000
0:26 = 000f
0:28 = 0001
0:2a = 0001
0:2c = bb80
0:2e = 0000
0:30 = 0000
0:32 = bb80
0:34 = 0000
0:36 = 0000
0:38 = 0000
0:3a = 0000
0:3c = 0000
0:3e = 0000
0:40 = 0000
0:42 = 0000
0:44 = 0000
0:46 = 0000
0:48 = 0000
0:4a = 0000
0:4c = 0000
0:4e = 0000
0:50 = 0000
0:52 = 0000
0:54 = 0000
0:56 = 0000
0:58 = 0000
0:5a = 0000
0:5c = 0000
0:5e = 0000
0:60 = 0000
0:62 = 0000
0:64 = 0000
0:66 = 0000
0:68 = 0000
0:6a = 0000
0:6c = 0000
0:6e = 0000
0:70 = 2000
0:72 = 0300
0:74 = 1000
0:76 = 0404
0:78 = bb80
0:7a = bb80
0:7c = 4144
0:7e = 5360

> also, you must have seen a kernel message like
> intel8x0: clocking to 48000

Did try twice:

intel8x0_measure_ac97_clock: measured 50040 usecs
intel8x0: clocking to 41146

intel8x0_measure_ac97_clock: measured 49395 usecs
intel8x0: clocking to 41145


--
Meelis Roos (mroos@xxxxxxxx)

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