[alsa-devel] Mixer control appears twice in alsamixer

[Clemens Ladisch]

James Cameron wrote:
> I've a mixer control for "Analog Mic Boost" which appears twice in
> alsamixer --view all, and once in amixer.

This control's name specifies that it applies to both directions:
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/tree/Documentation/sound/alsa/ControlNames.txt
(Apparently, most SoC drivers do not care about alsamixer.)

However, it should not appear twice.  This appears to be a bug in alsamixer.

> How do I cause it to appear only once in alsamixer?

Append " Capture Volume".


Regards,
Clemens