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-rw-r--r--sound/soc/renesas/rcar/ssiu.c3
-rw-r--r--sound/soc/renesas/rz-ssi.c25
2 files changed, 13 insertions, 15 deletions
diff --git a/sound/soc/renesas/rcar/ssiu.c b/sound/soc/renesas/rcar/ssiu.c
index faf351126d57..244fb833292a 100644
--- a/sound/soc/renesas/rcar/ssiu.c
+++ b/sound/soc/renesas/rcar/ssiu.c
@@ -509,7 +509,7 @@ void rsnd_parse_connect_ssiu(struct rsnd_dai *rdai,
int rsnd_ssiu_probe(struct rsnd_priv *priv)
{
struct device *dev = rsnd_priv_to_dev(priv);
- struct device_node *node;
+ struct device_node *node __free(device_node) = rsnd_ssiu_of_node(priv);
struct rsnd_ssiu *ssiu;
struct rsnd_mod_ops *ops;
const int *list = NULL;
@@ -522,7 +522,6 @@ int rsnd_ssiu_probe(struct rsnd_priv *priv)
* see
* rsnd_ssiu_bufsif_to_id()
*/
- node = rsnd_ssiu_of_node(priv);
if (node)
nr = rsnd_node_count(priv, node, SSIU_NAME);
else
diff --git a/sound/soc/renesas/rz-ssi.c b/sound/soc/renesas/rz-ssi.c
index e00940814157..81b883e8ac92 100644
--- a/sound/soc/renesas/rz-ssi.c
+++ b/sound/soc/renesas/rz-ssi.c
@@ -85,6 +85,7 @@ struct rz_ssi_stream {
struct snd_pcm_substream *substream;
int fifo_sample_size; /* sample capacity of SSI FIFO */
int dma_buffer_pos; /* The address for the next DMA descriptor */
+ int completed_dma_buf_pos; /* The address of the last completed DMA descriptor. */
int period_counter; /* for keeping track of periods transferred */
int sample_width;
int buffer_pos; /* current frame position in the buffer */
@@ -215,6 +216,7 @@ static void rz_ssi_stream_init(struct rz_ssi_stream *strm,
rz_ssi_set_substream(strm, substream);
strm->sample_width = samples_to_bytes(runtime, 1);
strm->dma_buffer_pos = 0;
+ strm->completed_dma_buf_pos = 0;
strm->period_counter = 0;
strm->buffer_pos = 0;
@@ -437,6 +439,10 @@ static void rz_ssi_pointer_update(struct rz_ssi_stream *strm, int frames)
snd_pcm_period_elapsed(strm->substream);
strm->period_counter = current_period;
}
+
+ strm->completed_dma_buf_pos += runtime->period_size;
+ if (strm->completed_dma_buf_pos >= runtime->buffer_size)
+ strm->completed_dma_buf_pos = 0;
}
static int rz_ssi_pio_recv(struct rz_ssi_priv *ssi, struct rz_ssi_stream *strm)
@@ -778,10 +784,14 @@ no_dma:
return -ENODEV;
}
-static int rz_ssi_trigger_resume(struct rz_ssi_priv *ssi)
+static int rz_ssi_trigger_resume(struct rz_ssi_priv *ssi, struct rz_ssi_stream *strm)
{
+ struct snd_pcm_substream *substream = strm->substream;
+ struct snd_pcm_runtime *runtime = substream->runtime;
int ret;
+ strm->dma_buffer_pos = strm->completed_dma_buf_pos + runtime->period_size;
+
if (rz_ssi_is_stream_running(&ssi->playback) ||
rz_ssi_is_stream_running(&ssi->capture))
return 0;
@@ -794,16 +804,6 @@ static int rz_ssi_trigger_resume(struct rz_ssi_priv *ssi)
ssi->hw_params_cache.channels);
}
-static void rz_ssi_streams_suspend(struct rz_ssi_priv *ssi)
-{
- if (rz_ssi_is_stream_running(&ssi->playback) ||
- rz_ssi_is_stream_running(&ssi->capture))
- return;
-
- ssi->playback.dma_buffer_pos = 0;
- ssi->capture.dma_buffer_pos = 0;
-}
-
static int rz_ssi_dai_trigger(struct snd_pcm_substream *substream, int cmd,
struct snd_soc_dai *dai)
{
@@ -813,7 +813,7 @@ static int rz_ssi_dai_trigger(struct snd_pcm_substream *substream, int cmd,
switch (cmd) {
case SNDRV_PCM_TRIGGER_RESUME:
- ret = rz_ssi_trigger_resume(ssi);
+ ret = rz_ssi_trigger_resume(ssi, strm);
if (ret)
return ret;
@@ -852,7 +852,6 @@ static int rz_ssi_dai_trigger(struct snd_pcm_substream *substream, int cmd,
case SNDRV_PCM_TRIGGER_SUSPEND:
rz_ssi_stop(ssi, strm);
- rz_ssi_streams_suspend(ssi);
break;
case SNDRV_PCM_TRIGGER_STOP: