Re: Problem with alsamixer, amixer

[Takashi Iwai <tiwai@suse.de>]

At 10 Oct 2002 17:08:11 +0200,
Miha Tomsic wrote:
> 
> 	Hello!
> 
> This is an old problem I reported a year or so ago. 
> 
> I have SBPCI 128 with ak4531 codec. The problem is that I can't set
> capture to certain channels (the channels that are using capture route
> CD, Line, PCM 1) if they are muted. Or if capture is already set, muting
> those channels will switch capture off.
> 
> This is happening if I am using alsamixer or amixer with sset. If I am
> using amixer with cset I can set anything I want. 
> 
> I guess the problem lies in the ak4531 and the way simple controls are
> handled. I don't know enough about alsa internals so poking around the
> sources of alsamixer, amixer and ak4531 didn't help me understand what
> should I do to make it working.

can you change each one switch or volume value by the follwoing way?

- call "alsactl -f foo store"
- modify the file "foo"
- call "alsactl -f foo restore"

if it works, then the problem is alsamixer or alsa-lib.
the latest alsamixer can handle playback and capture separately, so
this problem should have been fixed.


Takashi


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