From 0f3b818486796ec8895fa4ccdf15edb759bff40a Mon Sep 17 00:00:00 2001 From: Kuninori Morimoto Date: Thu, 6 Apr 2023 00:16:27 +0000 Subject: [PATCH] ASoC: add snd_soc_card_mutex_lock/unlock() ASoC need to use card->mutex with _INIT or _RUNTIME, but there is no helper function for it. This patch adds its helper function and use it. Because people might misunderstand that _init() is mutex initialization, this patch renames _INIT to _ROOT and adds new snd_soc_card_mutex_lock_root() for it. Signed-off-by: Kuninori Morimoto Link: https://lore.kernel.org/r/87a5zlx3tw.wl-kuninori.morimoto.gx@renesas.com Signed-off-by: Mark Brown --- include/sound/soc-card.h | 17 ++++++++++++++++- sound/soc/soc-compress.c | 18 +++++++++--------- sound/soc/soc-core.c | 4 ++-- 3 files changed, 27 insertions(+), 12 deletions(-) diff --git a/include/sound/soc-card.h b/include/sound/soc-card.h index 9d31a5c..fc94dfb 100644 --- a/include/sound/soc-card.h +++ b/include/sound/soc-card.h @@ -9,10 +9,25 @@ #define __SOC_CARD_H enum snd_soc_card_subclass { - SND_SOC_CARD_CLASS_INIT = 0, + SND_SOC_CARD_CLASS_ROOT = 0, SND_SOC_CARD_CLASS_RUNTIME = 1, }; +static inline void snd_soc_card_mutex_lock_root(struct snd_soc_card *card) +{ + mutex_lock_nested(&card->mutex, SND_SOC_CARD_CLASS_ROOT); +} + +static inline void snd_soc_card_mutex_lock(struct snd_soc_card *card) +{ + mutex_lock_nested(&card->mutex, SND_SOC_CARD_CLASS_RUNTIME); +} + +static inline void snd_soc_card_mutex_unlock(struct snd_soc_card *card) +{ + mutex_unlock(&card->mutex); +} + struct snd_kcontrol *snd_soc_card_get_kcontrol(struct snd_soc_card *soc_card, const char *name); int snd_soc_card_jack_new(struct snd_soc_card *card, const char *id, int type, diff --git a/sound/soc/soc-compress.c b/sound/soc/soc-compress.c index 661e9d7..d8715db 100644 --- a/sound/soc/soc-compress.c +++ b/sound/soc/soc-compress.c @@ -140,7 +140,7 @@ static int soc_compr_open_fe(struct snd_compr_stream *cstream) int stream = cstream->direction; /* SND_COMPRESS_xxx is same as SNDRV_PCM_STREAM_xxx */ int ret; - mutex_lock_nested(&fe->card->mutex, SND_SOC_CARD_CLASS_RUNTIME); + snd_soc_card_mutex_lock(fe->card); ret = dpcm_path_get(fe, stream, &list); if (ret < 0) @@ -184,7 +184,7 @@ static int soc_compr_open_fe(struct snd_compr_stream *cstream) snd_soc_runtime_activate(fe, stream); snd_soc_dpcm_mutex_unlock(fe); - mutex_unlock(&fe->card->mutex); + snd_soc_card_mutex_unlock(fe->card); return 0; @@ -196,7 +196,7 @@ out: dpcm_path_put(&list); be_err: fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_NO; - mutex_unlock(&fe->card->mutex); + snd_soc_card_mutex_unlock(fe->card); return ret; } @@ -207,7 +207,7 @@ static int soc_compr_free_fe(struct snd_compr_stream *cstream) struct snd_soc_dpcm *dpcm; int stream = cstream->direction; /* SND_COMPRESS_xxx is same as SNDRV_PCM_STREAM_xxx */ - mutex_lock_nested(&fe->card->mutex, SND_SOC_CARD_CLASS_RUNTIME); + snd_soc_card_mutex_lock(fe->card); snd_soc_dpcm_mutex_lock(fe); snd_soc_runtime_deactivate(fe, stream); @@ -237,7 +237,7 @@ static int soc_compr_free_fe(struct snd_compr_stream *cstream) snd_soc_dai_compr_shutdown(cpu_dai, cstream, 0); - mutex_unlock(&fe->card->mutex); + snd_soc_card_mutex_unlock(fe->card); return 0; } @@ -284,7 +284,7 @@ static int soc_compr_trigger_fe(struct snd_compr_stream *cstream, int cmd) cmd == SND_COMPR_TRIGGER_DRAIN) return snd_soc_component_compr_trigger(cstream, cmd); - mutex_lock_nested(&fe->card->mutex, SND_SOC_CARD_CLASS_RUNTIME); + snd_soc_card_mutex_lock(fe->card); ret = snd_soc_dai_compr_trigger(cpu_dai, cstream, cmd); if (ret < 0) @@ -315,7 +315,7 @@ static int soc_compr_trigger_fe(struct snd_compr_stream *cstream, int cmd) out: fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_NO; - mutex_unlock(&fe->card->mutex); + snd_soc_card_mutex_unlock(fe->card); return ret; } @@ -373,7 +373,7 @@ static int soc_compr_set_params_fe(struct snd_compr_stream *cstream, int stream = cstream->direction; /* SND_COMPRESS_xxx is same as SNDRV_PCM_STREAM_xxx */ int ret; - mutex_lock_nested(&fe->card->mutex, SND_SOC_CARD_CLASS_RUNTIME); + snd_soc_card_mutex_lock(fe->card); /* * Create an empty hw_params for the BE as the machine driver must @@ -411,7 +411,7 @@ static int soc_compr_set_params_fe(struct snd_compr_stream *cstream, out: fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_NO; - mutex_unlock(&fe->card->mutex); + snd_soc_card_mutex_unlock(fe->card); return ret; } diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c index 4594505..b48efc3 100644 --- a/sound/soc/soc-core.c +++ b/sound/soc/soc-core.c @@ -1938,7 +1938,7 @@ static int snd_soc_bind_card(struct snd_soc_card *card) int ret; mutex_lock(&client_mutex); - mutex_lock_nested(&card->mutex, SND_SOC_CARD_CLASS_INIT); + snd_soc_card_mutex_lock_root(card); snd_soc_dapm_init(&card->dapm, card, NULL); @@ -2093,7 +2093,7 @@ probe_end: if (ret < 0) soc_cleanup_card_resources(card); - mutex_unlock(&card->mutex); + snd_soc_card_mutex_unlock(card); mutex_unlock(&client_mutex); return ret; -- 2.7.4