The code has been cleaned-up multiple times, but while adding the new abstractions for DMIC/SSP/SoundWire it appears that we don't really need a specific sequence for .prepare, and we can reuse what .hw_params already does.
Signed-off-by: Pierre-Louis Bossart pierre-louis.bossart@linux.intel.com Reviewed-by: Péter Ujfalusi peter.ujfalusi@linux.intel.com Reviewed-by: Ranjani Sridharan ranjani.sridharan@linux.intel.com Reviewed-by: Rander Wang rander.wang@intel.com Reviewed-by: Bard Liao yung-chuan.liao@linux.intel.com --- sound/soc/sof/intel/hda-dai.c | 34 +++------------------------------- 1 file changed, 3 insertions(+), 31 deletions(-)
diff --git a/sound/soc/sof/intel/hda-dai.c b/sound/soc/sof/intel/hda-dai.c index 44a5d94c5050..61eb25cfdbe1 100644 --- a/sound/soc/sof/intel/hda-dai.c +++ b/sound/soc/sof/intel/hda-dai.c @@ -188,14 +188,6 @@ static int hda_link_dma_hw_params(struct snd_pcm_substream *substream, return 0; }
-static int hda_link_dma_prepare(struct snd_pcm_substream *substream, struct snd_soc_dai *cpu_dai) -{ - struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); - int stream = substream->stream; - - return hda_link_dma_hw_params(substream, &rtd->dpcm[stream].hw_params, cpu_dai); -} - static int hda_dai_hw_free(struct snd_pcm_substream *substream, struct snd_soc_dai *cpu_dai) { struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(cpu_dai->component); @@ -251,30 +243,10 @@ static int hda_dai_hw_params(struct snd_pcm_substream *substream,
static int hda_dai_prepare(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) { - struct snd_soc_dapm_widget *w = snd_soc_dai_get_widget(dai, substream->stream); - struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(dai->component); - const struct hda_dai_widget_dma_ops *ops = hda_dai_get_ops(substream, dai); - struct hdac_ext_stream *hext_stream; - struct snd_sof_dai_config_data data = { 0 }; - unsigned int flags = SOF_DAI_CONFIG_FLAGS_HW_PARAMS; - int ret; + struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); + int stream = substream->stream;
- hext_stream = ops->get_hext_stream(sdev, dai, substream); - if (hext_stream && hext_stream->link_prepared) - return 0; - - dev_dbg(sdev->dev, "prepare stream dir %d\n", substream->stream); - - ret = hda_link_dma_prepare(substream, dai); - if (ret < 0) - return ret; - - hext_stream = ops->get_hext_stream(sdev, dai, substream); - - flags |= SOF_DAI_CONFIG_FLAGS_2_STEP_STOP << SOF_DAI_CONFIG_FLAGS_QUIRK_SHIFT; - data.dai_data = hdac_stream(hext_stream)->stream_tag - 1; - - return hda_dai_config(w, flags, &data); + return hda_dai_hw_params(substream, &rtd->dpcm[stream].hw_params, dai); }
/*