Erik J. mixer

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Different boards can use different mixers.
The identification of your mixer as a  C-Media Electronics CMI9761A+
could be wrong, in which case all kinds of things would go wrong in using
it.

The Ubuntu machine has a "ICEnsemble ICE1232" mixer, according to the email
you sent.
Unless you know that it is the exact same motherboard, then I cannot see
anything to do with that info right now.

What you really need to do is find some way to really verify what mixer
actually is on the motherboard.
My technique was to use a magnifier at 6 inches and a strong light, to read
the numbers off of every chip anywhere near the
back connectors of the motherboard.   One of them is likely to be the mixer.
You would especially be looking for a CMEDIA or a VIA chip, maybe about 16
to 22 pins.
Unless you can get information from the manufacturer, say from a ASUS web
site, or ASUS user help, that is probably
the best way to really be sure.

It is possible for the mixer chip to be misidentified, especially if it is a
new chip.
If you look in /usr/share there is a file with all the pci id numbers and
what device they are.   There are some id numbers
in that file that are used for two different devices.   New pci devices are
added to that list as they are discovered by
users whose hardware does not work.

I do not know how the mixer is detected by ALSA, it does not look like it is
on the PCI bus.   There must be id device
numbers somewhere that the ALSA driver is accessing.  If you can confirm
exactly what mixer is actually on your system
and also give the ASLA-dev team the id numbers (which I do not know how to
get, but they will know how) that
the device gives, then who-ever handles that device for the team correct the
identification.  If the mixer is a slight variation
of a previous mixer then it will work better, maybe not completely, but
better.   This all assumes that you can identify
that the mixer is not what ALSA sndstat is reporting it to be. !!

If you can report that the mixer identification by ALSA is correct then we
can look at other possiblities.

Wesley Johnson,   Linux user since 1994






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