[alsa-devel] [PATCH] ASoC: arizona: Add DAC Volume Limit controls

[Charles Keepax]

On Wed, Jun 28, 2017 at 03:09:46PM +0100, Mark Brown wrote:
> On Wed, Jun 28, 2017 at 01:53:17PM +0100, Charles Keepax wrote:
> > Add controls that allow the limiting of the volume coming from the DACs on
> > the Arizona class devices, note that wm8998 does not have this feature.
> 
> Is it sensible to control the volume limits through normal controls
> given that the level of protection offered ends up being minimal if the
> two controls are sitting next to each other?  I'd kind of expect this to
> be something that comes from the system integration (eg, limits on the
> physical capabilities of the speaker).

That is a fair point, I don't think we have any need to adapt
them dynamically so I could move them to a DT binding/pdata. I
will have a look at that.

Thanks,
Charles