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Diffstat (limited to 'include/sound/soc-dai.h')
-rw-r--r--include/sound/soc-dai.h44
1 files changed, 41 insertions, 3 deletions
diff --git a/include/sound/soc-dai.h b/include/sound/soc-dai.h
index eaaeb00e9e84..78bac995db15 100644
--- a/include/sound/soc-dai.h
+++ b/include/sound/soc-dai.h
@@ -202,6 +202,8 @@ struct snd_soc_dai_ops {
int (*set_sdw_stream)(struct snd_soc_dai *dai,
void *stream, int direction);
+ void *(*get_sdw_stream)(struct snd_soc_dai *dai, int direction);
+
/*
* DAI digital mute - optional.
* Called by soc-core to minimise any pops.
@@ -322,9 +324,7 @@ struct snd_soc_dai {
struct snd_soc_dai_driver *driver;
/* DAI runtime info */
- unsigned int capture_active; /* stream usage count */
- unsigned int playback_active; /* stream usage count */
- unsigned int probed:1;
+ unsigned int stream_active[SNDRV_PCM_STREAM_LAST + 1]; /* usage count */
unsigned int active;
@@ -348,8 +348,27 @@ struct snd_soc_dai {
unsigned int rx_mask;
struct list_head list;
+
+ /* bit field */
+ unsigned int probed:1;
+ unsigned int started:1;
};
+static inline struct snd_soc_pcm_stream *
+snd_soc_dai_get_pcm_stream(const struct snd_soc_dai *dai, int stream)
+{
+ return (stream == SNDRV_PCM_STREAM_PLAYBACK) ?
+ &dai->driver->playback : &dai->driver->capture;
+}
+
+static inline
+struct snd_soc_dapm_widget *snd_soc_dai_get_widget(
+ struct snd_soc_dai *dai, int stream)
+{
+ return (stream == SNDRV_PCM_STREAM_PLAYBACK) ?
+ dai->playback_widget : dai->capture_widget;
+}
+
static inline void *snd_soc_dai_get_dma_data(const struct snd_soc_dai *dai,
const struct snd_pcm_substream *ss)
{
@@ -406,4 +425,23 @@ static inline int snd_soc_dai_set_sdw_stream(struct snd_soc_dai *dai,
return -ENOTSUPP;
}
+/**
+ * snd_soc_dai_get_sdw_stream() - Retrieves SDW stream from DAI
+ * @dai: DAI
+ * @direction: Stream direction(Playback/Capture)
+ *
+ * This routine only retrieves that was previously configured
+ * with snd_soc_dai_get_sdw_stream()
+ *
+ * Returns pointer to stream or -ENOTSUPP if callback is not supported;
+ */
+static inline void *snd_soc_dai_get_sdw_stream(struct snd_soc_dai *dai,
+ int direction)
+{
+ if (dai->driver->ops->get_sdw_stream)
+ return dai->driver->ops->get_sdw_stream(dai, direction);
+ else
+ return ERR_PTR(-ENOTSUPP);
+}
+
#endif