Hi Maxime,
IIRC, in order to have shared controls, you just needed to share the controls structure.
Yeah. I did this and it actually works in a way, but in doesn't do all that I want.
There are two different kinds of sharing I mean:
The one kind with the controls structure causes the control to rename itself to not state its mixer but there's still just one slider in the end. So instead of "Left Mixer Left XXX" it will just say "Left XXX" if you put it inside Left Mixer and Right Mixer and share the entry - for this hardware, that's of doubtful use.
But what I would like to have is that the same Mic Playback Volume (the very same bits) be used for different sliders (1) Mic1 Left Channel Playback Volume (2) Mic1 Right Channel Playback Volume (3) Mic2 Left Channel Playback Volume (!!) (4) Mic2 Right Channel Playback Volume
Additionally, Mic1 Playback and Mic2 Playback have two mutes each in the hardware (all separately switchable).
Now if we could make the alsamixer selems look like the following, that would be nice:
Mic1_Playback Mic2_Playback
MM MM ii ii cc cc
PP PP ll ll aa aa yy yy bb bb aa aa cc cc kk kk
VV VV oo oo ll ll uu uu mm mm ee ee
[Mm] [Nn] ^ ^^-- so are those, separately +-- this one is a different muter :-)
Where the text is the same, it's supposed to signify the same bits in the hardware.
Right now in v8 it's (and that's going to take a lot of horizontal space, sorry - I know E-Mails like this aren't so nice to read):
Mic_Playback_Volume Left_Mic1_Playback_Switch Right_Mic1_Playback_Switch Left_Mic2_Playback_Switch Right_Mic2_Playback_Switch
MM ii cc
PP ll aa yy bb aa cc kk
VV oo ll uu mm ee
[MM] [NN] [OO] [PP] ^- WTF ^- WTF ^- WTF ^- WTF
(Actually, it's worse - believe it or not, that's how the simplified explanation looks)
Unfortunately, that is exposed to the user-space. Once it's in, you cannot change it / fix it anymore.
Hmm. Right. Let's get it to work nicely then.