They are controlling "AD0" (AIF1 slot 0 ADC), not "DA0".
Acked-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Samuel Holland <samuel@sholland.org>
Link: https://lore.kernel.org/r/20200831034852.18841-4-samuel@sholland.orgSigned-off-by: Mark Brown <broonie@kernel.org>