[alsa-devel] [PATCH] ASoC: pcm512x: Implement the digital_mute interface

[Dimitris Papavasiliou]

Pinging this, in case it was buried under other messages and has
escaped attention.

On 11/26/18 9:23 PM, Dimitris Papavasiliou wrote:
>   Sorry, I probably misunderstand.  Do you propose removing
> the "Digital Playback Switch" control entirely?  It would
> certainly simplify things, as far as implementing the
> .digital_mute callback is concerned, but it would remove the only
> way of manually muting the DAC.  The "Digital Playback Volume"
> control is the main (and basically sole, apart from a switchable
> -6dB analog gain control) volume control of the DAC and removing
> the Switch component would make it unmutable.
> 
> The current implementation uses the control to keep track of the
> user's desired mute state and allows the .digital_mute callback to
> override it, in a way that is transparent to the user.