diff options
Diffstat (limited to 'include/sound/soc-dai.h')
| -rw-r--r-- | include/sound/soc-dai.h | 44 |
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 |