On Mon, Mar 31, 2014 at 07:39:22PM +0800, Nicolin Chen wrote:

The current trigger() has two crucial problems:
1) The DMA request enabling operations (FSL_SAI_CSR_FRDE) for Tx and Rx are
   now totally exclusive: It would fail to run simultaneous Tx-Rx cases.
2) The TERE disabling operation depends on an incorrect condition -- active
   reference count that only gets increased in snd_pcm_open() and decreased
   in snd_pcm_close(): The TERE would never get cleared.

Can you please check that this against my asoc-v3.15-4 tag - it doesn't
seem to apply there?