[PATCH 2/2] ASoC: meson: add t9015 internal DAC driver

Mark Brown broonie at kernel.org
Wed Feb 19 16:44:25 CET 2020


On Wed, Feb 19, 2020 at 04:27:12PM +0100, Jerome Brunet wrote:
> On Wed 19 Feb 2020 at 15:55, Mark Brown <broonie at kernel.org> wrote:

> >> +	/* Channel Src */
> >> +	SOC_ENUM("Right DAC Source", dacr_in_enum),
> >> +	SOC_ENUM("Left DAC Source",  dacl_in_enum),

> > Ideally these would be moved into DAPM (using an AIF_IN widget for the
> > DAI).

> I can (I initially did) but I don't think it is worth it.

> I would split Playback into 2 AIF for Left and Right, then add a mux to
> select one them if front of both DAC. It will had 4 widgets and 6 routes
> but it won't allow turn anything on or off. There is no PM improvement.

> Do you still want me to change this ?

It can help us track things like external amps connected to the DACs,
especially when we manage to get to the point of tracking individual
audio streams over DAI links.
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