Commit 74e65192 authored by Pardha Saradhi K's avatar Pardha Saradhi K Committed by Mark Brown

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: default avatarPardha Saradhi K <pardha.saradhi.kesapragada@intel.com>
Signed-off-by: default avatarDivya Prakash <divya1.prakash@intel.com>
Signed-off-by: default avatarSriram Periyasamy <sriramx.periyasamy@intel.com>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 651e4890
......@@ -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;
}
......
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