[alsa-devel] alsa-lib: snd_mixer_selem_is_active changes - which event?

[Raymond Yau]

2011/2/28 Clemens Ladisch <clemens at ladisch.de>

> Raymond Yau wrote:
> > Patch which fix the display of active/inactive controls in alsamixer
>
> Applied, thanks.
>
>
> Clemens
>


To really fix the problem, may need to add snd_mixer_selem_xxxxx_
is_active() functions for those controls (where xxxx are. playback_volume,
playback_switch, capture_volume ,capture_switch, .... )

For example ad1988 allow multistreaming , The current "6stack-dig-fp" model
just add the "Headphone Playback Volume" on DAC0 (i.e. node 0x03) and device
2 for multistreaming playback using front panel headphone.

Adding a new "independent HP" switch to allow routing the front panel
headphone back to DAC1 like the "6stack-dig" or auto model need to make
"Headphone Playback Volume" inactive
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