diff options
Diffstat (limited to 'sound/soc/generic/simple-card-utils.c')
-rw-r--r-- | sound/soc/generic/simple-card-utils.c | 35 |
1 files changed, 22 insertions, 13 deletions
diff --git a/sound/soc/generic/simple-card-utils.c b/sound/soc/generic/simple-card-utils.c index 56552a616f21..467edd96eae5 100644 --- a/sound/soc/generic/simple-card-utils.c +++ b/sound/soc/generic/simple-card-utils.c @@ -562,12 +562,12 @@ static int asoc_simple_init_for_codec2codec(struct snd_soc_pcm_runtime *rtd, { struct snd_soc_dai_link *dai_link = rtd->dai_link; struct snd_soc_component *component; - struct snd_soc_pcm_stream *params; + struct snd_soc_pcm_stream *c2c_params; struct snd_pcm_hardware hw; int i, ret, stream; /* Do nothing if it already has Codec2Codec settings */ - if (dai_link->params) + if (dai_link->c2c_params) return 0; /* Do nothing if it was DPCM :: BE */ @@ -592,19 +592,19 @@ static int asoc_simple_init_for_codec2codec(struct snd_soc_pcm_runtime *rtd, return ret; } - params = devm_kzalloc(rtd->dev, sizeof(*params), GFP_KERNEL); - if (!params) + c2c_params = devm_kzalloc(rtd->dev, sizeof(*c2c_params), GFP_KERNEL); + if (!c2c_params) return -ENOMEM; - params->formats = hw.formats; - params->rates = hw.rates; - params->rate_min = hw.rate_min; - params->rate_max = hw.rate_max; - params->channels_min = hw.channels_min; - params->channels_max = hw.channels_max; + c2c_params->formats = hw.formats; + c2c_params->rates = hw.rates; + c2c_params->rate_min = hw.rate_min; + c2c_params->rate_max = hw.rate_max; + c2c_params->channels_min = hw.channels_min; + c2c_params->channels_max = hw.channels_max; - dai_link->params = params; - dai_link->num_params = 1; + dai_link->c2c_params = c2c_params; + dai_link->num_c2c_params = 1; return 0; } @@ -638,7 +638,16 @@ EXPORT_SYMBOL_GPL(asoc_simple_dai_init); void asoc_simple_canonicalize_platform(struct snd_soc_dai_link_component *platforms, struct snd_soc_dai_link_component *cpus) { - /* Assumes platform == cpu */ + /* + * Assumes Platform == CPU + * + * Some CPU might be using soc-generic-dmaengine-pcm. This means CPU and Platform + * are different Component, but are sharing same component->dev. + * + * Let's assume Platform is same as CPU if it doesn't identify Platform on DT. + * see + * simple-card.c :: simple_count_noml() + */ if (!platforms->of_node) platforms->of_node = cpus->of_node; } |