[ALSA - driver 0002132]: No sound from speakers

bugtrack
2006-06-12T02:36:32Z

Last Modified: 06-12-2006 04:36 CEST
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Summary: No sound from speakers
Description:
Alsa seems to detect the sound card, but when I try to actually play
something there is no sound from the speakers.
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rlrevell - 06-12-06 03:41
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Same as any cond_resched() - so that other processes are not excessively
delayed on !PREEMPT kernels.

It seems that the reads need to be throttled. Try replacing cond_resched
with msleep.

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bzbarsky - 06-12-06 04:36
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I tried replacing the cond_resched() with msleep(50) and then msleep(200)
when that didn't help. Still no sound, but now ac97#0-0+regs a different
value for 0:00 (not for 0:7c or 0:7e, though):

0:00 = 4300
0:02 = 0d50
....
0:7c = 0000
0:7e = 4e53

The dmesg output has the following changes:

-codec write 0e = 8001
-codec write 0e = 8041
+codec write 0e = 805f

-codec write 12 = 0101
+codec write 12 = 0808

+codec write 1a = 0101

all the "codec read" lines are still what they used to be...