1. Switch TDM GPIO pins according to playback on or off.
2. Pull TDM GPIO pins down when probed to avoid current leakage.
Signed-off-by: Tzung-Bi Shih <tzungbi@google.com>
Link: https://lore.kernel.org/r/20200213112003.2.I1d568b0c99742c6e755d051aadfd52e4be3cc0a5@changeidSigned-off-by: Mark Brown <broonie@kernel.org>