[alsa-devel] [PATCH 7/8] ASoC: sun50i-codec-analog: Enable DAPM for line out switch

[Chen-Yu Tsai]

On Mon, Feb 17, 2020 at 10:18 AM Samuel Holland <samuel at sholland.org> wrote:
>
> By including the line out mute switch in the DAPM graph, the
> Mixer/DAC inputs can be powered off when the line output is muted.
>
> The line outputs have an unusual routing scheme. The left side mute
> switch is between the source selection and the amplifier, as usual.
> The right side source selection comes *after* its amplifier (and
> after the left side amplifier), and its mute switch controls
> whichever source is currently selected. This matches the diagram in
> the SoC manual.
>
> Signed-off-by: Samuel Holland <samuel at sholland.org>

Reviewed-by: Chen-Yu Tsai <wens at csie.org>