diff options
| author | Pardha Saradhi K | 2018-04-02 12:15:48 +0530 |
|---|---|---|
| committer | Mark Brown | 2018-04-17 11:35:28 +0100 |
| commit | 74e651926ee038237c48493d0a0853868d622b01 (patch) | |
| tree | 0f42abe10f69b70d1f2369ca3fc6bf17b5c32831 /sound/soc/intel/skylake/skl-pcm.c | |
| parent | 651e4890930d10d009a9a8b829a7177670975ec7 (diff) | |
ASoC: Intel: Skylake: Reset DSP Pipelines in prepare
An application can choose to call .prepare function
any number of times. In such scenarios, there is a
need to reset the DSP pipeline.
Signed-off-by: Pardha Saradhi K <pardha.saradhi.kesapragada@intel.com>
Signed-off-by: Divya Prakash <divya1.prakash@intel.com>
Signed-off-by: Sriram Periyasamy <sriramx.periyasamy@intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/intel/skylake/skl-pcm.c')
| -rw-r--r-- | sound/soc/intel/skylake/skl-pcm.c | 24 |
1 files changed, 20 insertions, 4 deletions
diff --git a/sound/soc/intel/skylake/skl-pcm.c b/sound/soc/intel/skylake/skl-pcm.c index fe25515debec..afa86b9e4dcf 100644 --- a/sound/soc/intel/skylake/skl-pcm.c +++ b/sound/soc/intel/skylake/skl-pcm.c @@ -268,15 +268,31 @@ static int skl_pcm_prepare(struct snd_pcm_substream *substream, { struct skl *skl = get_skl_ctx(dai->dev); struct skl_module_cfg *mconfig; + int ret; dev_dbg(dai->dev, "%s: %s\n", __func__, dai->name); mconfig = skl_tplg_fe_get_cpr_module(dai, substream->stream); - /* In case of XRUN recovery, reset the FW pipe to clean state */ - if (mconfig && (substream->runtime->status->state == - SNDRV_PCM_STATE_XRUN)) - skl_reset_pipe(skl->skl_sst, mconfig->pipe); + /* + * In case of XRUN recovery or in the case when the application + * calls prepare another time, reset the FW pipe to clean state + */ + if (mconfig && + (substream->runtime->status->state == SNDRV_PCM_STATE_XRUN || + mconfig->pipe->state == SKL_PIPE_CREATED || + mconfig->pipe->state == SKL_PIPE_PAUSED)) { + + ret = skl_reset_pipe(skl->skl_sst, mconfig->pipe); + + if (ret < 0) + return ret; + + ret = skl_pcm_host_dma_prepare(dai->dev, + mconfig->pipe->p_params); + if (ret < 0) + return ret; + } return 0; } |