ASoC: pxa2xx-i2s: Proper initialization

Reset FIFO logic and registers, and make sure REC and RPL functions along
with FIFO service are disabled at probe.

Signed-off-by: Karl Beldan <karl.beldan@mobile-devices.fr>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
1 file changed