i2sbus_pcm_prepare_both  405 sound/aoa/soundbus/i2sbus/i2sbus-core.c 		i2sbus_pcm_prepare_both(i2sdev);
i2sbus_pcm_prepare_both  108 sound/aoa/soundbus/i2sbus/i2sbus.h extern void i2sbus_pcm_prepare_both(struct i2sbus_dev *i2sdev);