huang lin 23c7159a79 ASoC: codec: use enable pin to control dmic start and stop ...

on some board use enable pin to control dmic start and stop,
so add this feature in dmic driver.

Signed-off-by: Lin Huang <hl@rock-chips.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

2017-08-17 18:03:15 +01:00

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