[PATCH v2 05/12] AsoC: dapm: export a couple of functions

From: Daniel Baluta
Date: Fri Sep 17 2021 - 10:37:44 EST


From: Ranjani Sridharan <ranjani.sridharan@xxxxxxxxxxxxxxx>

Export a couple of DAPM functions that can be used by
ASoC drivers to determine connected widgets when a PCM
is started.

Signed-off-by: Ranjani Sridharan <ranjani.sridharan@xxxxxxxxxxxxxxx>
Reviewed-by: Guennadi Liakhovetski <guennadi.liakhovetski@xxxxxxxxxxxxxxx>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@xxxxxxxxxxxxxxx>
Reviewed-by: Kai Vehmanen <kai.vehmanen@xxxxxxxxxxxxxxx>
Signed-off-by: Daniel Baluta <daniel.baluta@xxxxxxx>
---
include/sound/soc-dpcm.h | 1 +
sound/soc/soc-dapm.c | 2 ++
sound/soc/soc-pcm.c | 4 ++--
3 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/include/sound/soc-dpcm.h b/include/sound/soc-dpcm.h
index e296a3949b18..bc7af90099a8 100644
--- a/include/sound/soc-dpcm.h
+++ b/include/sound/soc-dpcm.h
@@ -159,6 +159,7 @@ int dpcm_be_dai_trigger(struct snd_soc_pcm_runtime *fe, int stream, int cmd);
int dpcm_be_dai_prepare(struct snd_soc_pcm_runtime *fe, int stream);
int dpcm_dapm_stream_event(struct snd_soc_pcm_runtime *fe, int dir,
int event);
+bool dpcm_end_walk_at_be(struct snd_soc_dapm_widget *widget, enum snd_soc_dapm_direction dir);

#define dpcm_be_dai_startup_rollback(fe, stream, last) \
dpcm_be_dai_stop(fe, stream, 0, last)
diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c
index 7b67f1e19ae9..44c4d105ffdb 100644
--- a/sound/soc/soc-dapm.c
+++ b/sound/soc/soc-dapm.c
@@ -1331,11 +1331,13 @@ int snd_soc_dapm_dai_get_connected_widgets(struct snd_soc_dai *dai, int stream,

return paths;
}
+EXPORT_SYMBOL_GPL(snd_soc_dapm_dai_get_connected_widgets);

void snd_soc_dapm_dai_free_widgets(struct snd_soc_dapm_widget_list **list)
{
dapm_widget_list_free(list);
}
+EXPORT_SYMBOL_GPL(snd_soc_dapm_dai_free_widgets);

/*
* Handler for regulator supply widget.
diff --git a/sound/soc/soc-pcm.c b/sound/soc/soc-pcm.c
index 48f71bb81a2f..fc1854e3e43f 100644
--- a/sound/soc/soc-pcm.c
+++ b/sound/soc/soc-pcm.c
@@ -1262,8 +1262,7 @@ static int widget_in_list(struct snd_soc_dapm_widget_list *list,
return 0;
}

-static bool dpcm_end_walk_at_be(struct snd_soc_dapm_widget *widget,
- enum snd_soc_dapm_direction dir)
+bool dpcm_end_walk_at_be(struct snd_soc_dapm_widget *widget, enum snd_soc_dapm_direction dir)
{
struct snd_soc_card *card = widget->dapm->card;
struct snd_soc_pcm_runtime *rtd;
@@ -1281,6 +1280,7 @@ static bool dpcm_end_walk_at_be(struct snd_soc_dapm_widget *widget,

return false;
}
+EXPORT_SYMBOL_GPL(dpcm_end_walk_at_be);

int dpcm_path_get(struct snd_soc_pcm_runtime *fe,
int stream, struct snd_soc_dapm_widget_list **list)
--
2.27.0