ASoC: dpcm: Add API for DAI link substream and runtime lookup
Some component drivers will need to be able to look up their
DAI link substream and RTD data. Provide a mechanism for this.
Signed-off-by: Liam Girdwood <lrg@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
diff --git a/include/sound/soc.h b/include/sound/soc.h
index bbe6a5e..153da5b 100644
--- a/include/sound/soc.h
+++ b/include/sound/soc.h
@@ -362,6 +362,11 @@
unsigned int reg, unsigned int val);
int soc_new_pcm(struct snd_soc_pcm_runtime *rtd, int num);
+struct snd_pcm_substream *snd_soc_get_dai_substream(struct snd_soc_card *card,
+ const char *dai_link, int stream);
+struct snd_soc_pcm_runtime *snd_soc_get_pcm_runtime(struct snd_soc_card *card,
+ const char *dai_link);
+
/* Utility functions to get clock rates from various things */
int snd_soc_calc_frame_size(int sample_size, int channels, int tdm_slots);
int snd_soc_params_to_frame_size(struct snd_pcm_hw_params *params);