}
EXPORT_SYMBOL_GPL(snd_soc_get_dai_substream);
+static const struct snd_soc_ops null_snd_soc_ops;
+
static struct snd_soc_pcm_runtime *soc_new_pcm_runtime(
struct snd_soc_card *card, struct snd_soc_dai_link *dai_link)
{
INIT_LIST_HEAD(&rtd->component_list);
rtd->card = card;
rtd->dai_link = dai_link;
+ if (!rtd->dai_link->ops)
+ rtd->dai_link->ops = &null_snd_soc_ops;
+
rtd->codec_dais = kzalloc(sizeof(struct snd_soc_dai *) *
dai_link->num_codecs,
GFP_KERNEL);
codec_dai->rx_mask = 0;
}
- if (rtd->dai_link->ops && rtd->dai_link->ops->startup) {
+ if (rtd->dai_link->ops->startup) {
ret = rtd->dai_link->ops->startup(substream);
if (ret < 0) {
pr_err("ASoC: %s startup failed: %d\n",
return 0;
config_err:
- if (rtd->dai_link->ops && rtd->dai_link->ops->shutdown)
+ if (rtd->dai_link->ops->shutdown)
rtd->dai_link->ops->shutdown(substream);
machine_err:
codec_dai->driver->ops->shutdown(substream, codec_dai);
}
- if (rtd->dai_link->ops && rtd->dai_link->ops->shutdown)
+ if (rtd->dai_link->ops->shutdown)
rtd->dai_link->ops->shutdown(substream);
if (platform->driver->ops && platform->driver->ops->close)
mutex_lock_nested(&rtd->pcm_mutex, rtd->pcm_subclass);
- if (rtd->dai_link->ops && rtd->dai_link->ops->prepare) {
+ if (rtd->dai_link->ops->prepare) {
ret = rtd->dai_link->ops->prepare(substream);
if (ret < 0) {
dev_err(rtd->card->dev, "ASoC: machine prepare error:"
int i, ret = 0;
mutex_lock_nested(&rtd->pcm_mutex, rtd->pcm_subclass);
- if (rtd->dai_link->ops && rtd->dai_link->ops->hw_params) {
+ if (rtd->dai_link->ops->hw_params) {
ret = rtd->dai_link->ops->hw_params(substream, params);
if (ret < 0) {
dev_err(rtd->card->dev, "ASoC: machine hw_params"
codec_dai->rate = 0;
}
- if (rtd->dai_link->ops && rtd->dai_link->ops->hw_free)
+ if (rtd->dai_link->ops->hw_free)
rtd->dai_link->ops->hw_free(substream);
mutex_unlock(&rtd->pcm_mutex);
}
/* free any machine hw params */
- if (rtd->dai_link->ops && rtd->dai_link->ops->hw_free)
+ if (rtd->dai_link->ops->hw_free)
rtd->dai_link->ops->hw_free(substream);
/* free any DMA resources */
return ret;
}
- if (rtd->dai_link->ops && rtd->dai_link->ops->trigger) {
+ if (rtd->dai_link->ops->trigger) {
ret = rtd->dai_link->ops->trigger(substream, cmd);
if (ret < 0)
return ret;