[alsa-devel] Codec "virtual multiplexer" representation

[Petr Kulhavy]

On 18.02.2016 06:30, Andreas Dannenberg wrote:
>
> Petr,
> on a related note, I'm currently working on a combined driver (85%
> complete) for TAS5720/TAS5722 which are nice but relatively simple
> Class-D mono amplifiers. Despite almost having the same P/N there is
> little to no similarity with TAS5721 (which gives a another example why
> one should be careful with wildcard 'x' in driver names) so there is no
> case for a combined driver here but let's make sure we align our
> namespace to avoid collision:
>
> tas5720.[c|h] - Driver for TAS5720/TAS5722 (WIP by Andreas)
> tas5721.[c|h] - Driver for TAS5721 (WIP by Petr)
>
> Regards,
>
> --
> Andreas Dannenberg
> Texas Instruments Inc
>
Hi Andreas,

thanks for letting me know! In the meantime I have found there is a 
driver for TAS5711, TAS5717 and TAS5719.
The TAS5721 is very similar to the 5711, so I will just update that 
driver rather than creating a new one.

One question came to my mind, which you can perhaps help me to answer as 
you are more familiar with these amplifiers:
what is the usual representation of a 2.1 system in controls? I'm 
wondering that the TAS5711 has just master volume and a double slider 
for Ch1/Ch2, but there is no Ch3 control.
Surely that is needed as well, isn't it?

Regards
Petr