[alsa-devel] [PATCH] ASoC: Add max98371 codec driver

[anish kumar]

On Fri, Apr 22, 2016 at 8:31 AM, Mark Brown <broonie at kernel.org> wrote:
> On Wed, Apr 20, 2016 at 11:14:40AM -0700, anish kumar wrote:
>> On Tue, Apr 19, 2016 at 2:46 AM, Mark Brown <broonie at kernel.org> wrote:
>
>> > Hrm, that looks like the driver may be able to set it automatically
>> > using the regulator API and just have a switch for the guaranteed.
>
>> Should i pass it via device tree then? I didn't get your statement about
>
> I'd expect to look up the value by looking at the supply voltage if we
> were going to go that way.

Discussion of this with hardware team revealed that dynamic headroom
tracking is the feature which will be controlled with this gain.

I am also adding two new controls for this: speaker gain min and DHT
rotation point.

I will be adding all of this as TLV as this should be configurable.
>
>> "switch".
>
> A switch is an on/off control.