[RFC PATCH] ASoC: dpcm: Apply symmetry for DPCM

[Liam Girdwood]

On Fri, 2015-12-11 at 11:33 +0800, Koro Chen wrote:
> From: PC Liao <pc.liao at mediatek.com>
> 
> DPCM does not fully support symmetry attributes. soc_pcm_apply_symmetry()
> is skipped in soc_pcm_open() for DPCM, without being applied elsewhere.
> So HW parameters cannot be correctly limited, and user space can do
> playback/capture at different rates while HW actually does not support it.
> soc_pcm_params_symmetry() will return error and the second stream stops.
> 
> This patch adds soc_pcm_apply_symmetry() for FE, BE, and codec DAIs
> in DPCM path that was skipped in soc_pcm_open().
> 
> Signed-off-by: PC Liao <pc.liao at mediatek.com>
> Signed-off-by: Koro Chen <koro.chen at mediatek.com>

Acked-by: Liam Girdwood <liam.r.girdwood at linux.intel.com>