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| author | Divya Prakash <divya1.prakash@intel.com> | 2018-04-02 12:15:49 +0530 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2018-04-17 11:35:08 +0100 |
| commit | 179c2e86328c3d7e07f87f9c45a216cda626e9ee (patch) | |
| tree | 5dbe7f3962b75620693e8821b6414ed8a1350eed /sound/soc/intel/skylake/skl-pcm.c | |
| parent | b999a19b3324ae3538bc13d11210bdfc8016616a (diff) | |
| download | lwn-179c2e86328c3d7e07f87f9c45a216cda626e9ee.tar.gz lwn-179c2e86328c3d7e07f87f9c45a216cda626e9ee.zip | |
ASoC: Intel: Skylake: Reset DSP pipe in skl_pcm_hw_free
Currently during destroy pipeline the gateway is disabled
before DMA completion. This leads to improper draining of
data and subsequently causing issues on HD-Audio DMA.
Hence added a new pipe reset IPC in skl_pcm_hw_free in
which the Gateway Enable(GEN bit) is reset to 0 after
DMA completion in skl_pcm_trigger.
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 | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/sound/soc/intel/skylake/skl-pcm.c b/sound/soc/intel/skylake/skl-pcm.c index 15cb8ac3e374..fe25515debec 100644 --- a/sound/soc/intel/skylake/skl-pcm.c +++ b/sound/soc/intel/skylake/skl-pcm.c @@ -366,9 +366,21 @@ static int skl_pcm_hw_free(struct snd_pcm_substream *substream, { struct hdac_ext_bus *ebus = dev_get_drvdata(dai->dev); struct hdac_ext_stream *stream = get_hdac_ext_stream(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); + + if (mconfig) { + ret = skl_reset_pipe(skl->skl_sst, mconfig->pipe); + if (ret < 0) + dev_err(dai->dev, "%s:Reset failed ret =%d", + __func__, ret); + } + snd_hdac_stream_cleanup(hdac_stream(stream)); hdac_stream(stream)->prepared = 0; |