return (ssi->playback.dma_ch && (ssi->dma_rt || ssi->capture.dma_ch));
}
+static void rz_ssi_set_substream(struct rz_ssi_stream *strm,
+ struct snd_pcm_substream *substream)
+{
+ struct rz_ssi_priv *ssi = strm->priv;
+ unsigned long flags;
+
+ spin_lock_irqsave(&ssi->lock, flags);
+ strm->substream = substream;
+ spin_unlock_irqrestore(&ssi->lock, flags);
+}
+
static bool rz_ssi_stream_is_valid(struct rz_ssi_priv *ssi,
struct rz_ssi_stream *strm)
{
{
struct snd_pcm_runtime *runtime = substream->runtime;
- strm->substream = substream;
+ rz_ssi_set_substream(strm, substream);
strm->sample_width = samples_to_bytes(runtime, 1);
strm->dma_buffer_pos = 0;
strm->period_counter = 0;
struct rz_ssi_stream *strm)
{
struct snd_soc_dai *dai = rz_ssi_get_dai(strm->substream);
- unsigned long flags;
- spin_lock_irqsave(&ssi->lock, flags);
- strm->substream = NULL;
- spin_unlock_irqrestore(&ssi->lock, flags);
+ rz_ssi_set_substream(strm, NULL);
if (strm->oerr_num > 0)
dev_info(dai->dev, "overrun = %d\n", strm->oerr_num);