diff options
Diffstat (limited to 'sound/soc/sof/pcm.c')
-rw-r--r-- | sound/soc/sof/pcm.c | 38 |
1 files changed, 34 insertions, 4 deletions
diff --git a/sound/soc/sof/pcm.c b/sound/soc/sof/pcm.c index 61c3fe17342d..9893b182da43 100644 --- a/sound/soc/sof/pcm.c +++ b/sound/soc/sof/pcm.c @@ -619,6 +619,31 @@ capture: return 0; } +static void ssp_dai_config_pcm_params_match(struct snd_sof_dev *sdev, const char *link_name, + struct snd_pcm_hw_params *params) +{ + struct sof_ipc_dai_config *config; + struct snd_sof_dai *dai; + int i; + + /* + * Search for all matching DAIs as we can have both playback and capture DAI + * associated with the same link. + */ + list_for_each_entry(dai, &sdev->dai_list, list) { + if (!dai->name || strcmp(link_name, dai->name)) + continue; + for (i = 0; i < dai->number_configs; i++) { + config = &dai->dai_config[i]; + if (config->ssp.fsync_rate == params_rate(params)) { + dev_dbg(sdev->dev, "DAI config %d matches pcm hw params\n", i); + dai->current_config = i; + break; + } + } + } +} + /* fixup the BE DAI link to match any values from topology */ int sof_pcm_dai_link_fixup(struct snd_soc_pcm_runtime *rtd, struct snd_pcm_hw_params *params) { @@ -631,6 +656,7 @@ int sof_pcm_dai_link_fixup(struct snd_soc_pcm_runtime *rtd, struct snd_pcm_hw_pa snd_soc_rtdcom_lookup(rtd, SOF_AUDIO_PCM_DRV_NAME); struct snd_sof_dai *dai = snd_sof_find_dai(component, (char *)rtd->dai_link->name); + struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(component); struct snd_soc_dpcm *dpcm; /* no topology exists for this BE, try a common configuration */ @@ -673,10 +699,13 @@ int sof_pcm_dai_link_fixup(struct snd_soc_pcm_runtime *rtd, struct snd_pcm_hw_pa /* read rate and channels from topology */ switch (dai->dai_config->type) { case SOF_DAI_INTEL_SSP: - rate->min = dai->dai_config->ssp.fsync_rate; - rate->max = dai->dai_config->ssp.fsync_rate; - channels->min = dai->dai_config->ssp.tdm_slots; - channels->max = dai->dai_config->ssp.tdm_slots; + /* search for config to pcm params match, if not found use default */ + ssp_dai_config_pcm_params_match(sdev, (char *)rtd->dai_link->name, params); + + rate->min = dai->dai_config[dai->current_config].ssp.fsync_rate; + rate->max = dai->dai_config[dai->current_config].ssp.fsync_rate; + channels->min = dai->dai_config[dai->current_config].ssp.tdm_slots; + channels->max = dai->dai_config[dai->current_config].ssp.tdm_slots; dev_dbg(component->dev, "rate_min: %d rate_max: %d\n", rate->min, rate->max); @@ -746,6 +775,7 @@ int sof_pcm_dai_link_fixup(struct snd_soc_pcm_runtime *rtd, struct snd_pcm_hw_pa return 0; } +EXPORT_SYMBOL(sof_pcm_dai_link_fixup); static int sof_pcm_probe(struct snd_soc_component *component) { |