On Fri, 2006-01-20 at 23:30 -0800, Bill Unruh wrote: > On Fri, 20 Jan 2006, Lee Revell wrote: > > > On Fri, 2006-01-20 at 18:11 -0800, Bill Unruh wrote: > >> I am running alsa (mandrake 10.1 alsa version 1.0.6-- so maybe this is > >> fixed later). If I run alsamixer, I get controls > >> Headphone, PCM, FronMic, Surround, Center, LFE, Line, CD, Mic,PCSpeaker, > >> Capture, Capture, Channel, InputSo, Input So. > >> HOwever the only control that seems to affect output level is PCM, but left > >> it as very quiet. > >> If I run aumix on the other hand I have > >> Vol, PCM, Spkr, Line, Mic PCM2, Igain, and in particular the Vol control > >> finally allowed me to take the volume up to a listenable level. > >> > >> The question I have is why is the Vol control not in the alsamixer > >> controls? ( and how does PCM2 and IGain map onto the alsamixer settings. > > > > No idea, this is not an issue at the ALSA level - you would have to look > > at the source code of those mixer apps to see what aumix is doing > > differently. > > > > And yes, 1.0.6 is way too old for bug reports. It does not even have > > software mixing and volume control. > > Actually I think the version is wrong. It is kernel 2.6.11 (which updated > the 2.6.8 kernel in Mandrake 10.1) So whatever alsa is in 2.6.11 is what I > have. (I think it is 1.0.8) I had the 1.0.6 alsa utils, which I updated to > 1.0.9, but that made no > difference. > > The question of course is NOT why aumix has a volume control which works > but why the alsa mixer (which surely is part of alsa) has no volume > control, and as a result I could not turn up the output volume using > alsamixer. > Surely the complete absense of a volume control is a bug. > > > By the way how in the world do I find out what the alsa level is in some > kernel. I have looked through the sound/* source code in the 2.6.11 kernel > and can find no indiction anywhere of the alsa level. And I cannot seem to > find the level anywhere in the modules. > >
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