dt-bindings: sound: add dmicen property in dmic driver

there may use enable pin to control dmic start and stop,
so add this property in dt-bindings.

Signed-off-by: Lin Huang <hl@rock-chips.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
huang lin 2017-08-17 10:24:45 +08:00 • committed by Mark Brown
commit 8c9741b1b9