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

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Date:   Fri, 17 Sep 2021 17:36:52 +0300
From:   Daniel Baluta <daniel.baluta@....nxp.com>
To:     broonie@...nel.org
Cc:     pierre-louis.bossart@...ux.intel.com, lgirdwood@...il.com,
        ranjani.sridharan@...ux.intel.com, kai.vehmanen@...ux.intel.com,
        alsa-devel@...a-project.org, linux-kernel@...r.kernel.org,
        daniel.baluta@....com,
        Guennadi Liakhovetski <guennadi.liakhovetski@...ux.intel.com>
Subject: [PATCH v2 05/12] AsoC: dapm: export a couple of functions

From: Ranjani Sridharan <ranjani.sridharan@...ux.intel.com>

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@...ux.intel.com>
Reviewed-by: Guennadi Liakhovetski <guennadi.liakhovetski@...ux.intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>
Reviewed-by: Kai Vehmanen <kai.vehmanen@...ux.intel.com>
Signed-off-by: Daniel Baluta <daniel.baluta@....com>
---
 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