ASoC: expand snd_soc_dpcm_mutex_lock/unlock()

soc-pcm.c has snd_soc_dpcm_mutex_lock/unlock(),
but other files can't use it because it is static function.

It requests snd_soc_pcm_runtime as parameter (A), but sometimes we
want to use it by snd_soc_card (B).

(A)	static inline void snd_soc_dpcm_mutex_lock(struct snd_soc_pcm_runtime *rtd)
	{
		mutex_lock_nested(&rtd->card->pcm_mutex, rtd->card->pcm_subclass);
	}			   ^^^^^^^^^

(B)	mutex_lock_nested(&card->pcm_mutex, card->pcm_subclass);
			   ^^^^

We want to use it with both "rtd" and "card" for dapm lock/unlock.
To enable it, this patch uses _Generic macro.

This patch makes snd_soc_dpcm_mutex_{un}lock() global function, and use it on
each files.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://lore.kernel.org/r/87bkk1x3ud.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>

1 files changed, 2 insertions, 2 deletions

diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index 9bbcff492c1e..4594505cdae2 100644
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -348,7 +348,7 @@ void snd_soc_close_delayed_work(struct snd_soc_pcm_runtime *rtd)
 	struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
 	int playback = SNDRV_PCM_STREAM_PLAYBACK;
 
-	mutex_lock_nested(&rtd->card->pcm_mutex, rtd->card->pcm_subclass);
+	snd_soc_dpcm_mutex_lock(rtd);
 
 	dev_dbg(rtd->dev,
 		"ASoC: pop wq checking: %s status: %s waiting: %s\n",
@@ -364,7 +364,7 @@ void snd_soc_close_delayed_work(struct snd_soc_pcm_runtime *rtd)
 					  SND_SOC_DAPM_STREAM_STOP);
 	}
 
-	mutex_unlock(&rtd->card->pcm_mutex);
+	snd_soc_dpcm_mutex_unlock(rtd);
 }
 EXPORT_SYMBOL_GPL(snd_soc_close_delayed_work);