In preparation for ASoC DSP support.

Provide a method to get the AIF widget name from the stream name.

Signed-off-by: Liam Girdwood lrg@ti.com --- include/sound/soc-dapm.h | 2 ++ sound/soc/soc-dapm.c | 17 +++++++++++++++++ 2 files changed, 19 insertions(+), 0 deletions(-)

diff --git a/include/sound/soc-dapm.h b/include/sound/soc-dapm.h index c46e7d8..f37c293 100644 --- a/include/sound/soc-dapm.h +++ b/include/sound/soc-dapm.h @@ -348,6 +348,8 @@ int snd_soc_dapm_new_widgets(struct snd_soc_dapm_context *dapm); void snd_soc_dapm_free(struct snd_soc_dapm_context *dapm); int snd_soc_dapm_add_routes(struct snd_soc_dapm_context *dapm, const struct snd_soc_dapm_route *route, int num); +const char *snd_soc_dapm_get_aif(struct snd_soc_dapm_context *dapm, + const char *stream_name, enum snd_soc_dapm_type type);

/* dapm events */ int snd_soc_dapm_stream_event(struct snd_soc_pcm_runtime *rtd, diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c index c5d98e3..1b7f4ff 100644 --- a/sound/soc/soc-dapm.c +++ b/sound/soc/soc-dapm.c @@ -1882,6 +1882,23 @@ int snd_soc_dapm_new_widgets(struct snd_soc_dapm_context *dapm) } EXPORT_SYMBOL_GPL(snd_soc_dapm_new_widgets);

+const char *snd_soc_dapm_get_aif(struct snd_soc_dapm_context *dapm, + const char *stream_name, enum snd_soc_dapm_type type) +{ + struct snd_soc_dapm_widget *w; + + list_for_each_entry(w, &dapm->card->widgets, list) { + + if (!w->sname) + continue; + + if (w->id == type && strstr(w->sname, stream_name)) + return w->name; + } + return NULL; +} +EXPORT_SYMBOL_GPL(snd_soc_dapm_get_aif); + /** * snd_soc_dapm_get_volsw - dapm mixer get callback * @kcontrol: mixer control