diff options
Diffstat (limited to 'include/sound/soc.h')
| -rw-r--r-- | include/sound/soc.h | 105 |
1 files changed, 100 insertions, 5 deletions
diff --git a/include/sound/soc.h b/include/sound/soc.h index 3833184c187f..05004c048dd5 100644 --- a/include/sound/soc.h +++ b/include/sound/soc.h @@ -1364,17 +1364,112 @@ extern struct dentry *snd_soc_debugfs_root; extern const struct dev_pm_ops snd_soc_pm_ops; -/* Helper functions */ -static inline void snd_soc_dapm_mutex_lock(struct snd_soc_dapm_context *dapm) +/* + * DAPM helper functions + */ +enum snd_soc_dapm_subclass { + SND_SOC_DAPM_CLASS_ROOT = 0, + SND_SOC_DAPM_CLASS_RUNTIME = 1, +}; + +static inline void _snd_soc_dapm_mutex_lock_root_c(struct snd_soc_card *card) +{ + mutex_lock_nested(&card->dapm_mutex, SND_SOC_DAPM_CLASS_ROOT); +} + +static inline void _snd_soc_dapm_mutex_lock_c(struct snd_soc_card *card) +{ + mutex_lock_nested(&card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME); +} + +static inline void _snd_soc_dapm_mutex_unlock_c(struct snd_soc_card *card) +{ + mutex_unlock(&card->dapm_mutex); +} + +static inline void _snd_soc_dapm_mutex_assert_held_c(struct snd_soc_card *card) +{ + lockdep_assert_held(&card->dapm_mutex); +} + +static inline void _snd_soc_dapm_mutex_lock_root_d(struct snd_soc_dapm_context *dapm) +{ + _snd_soc_dapm_mutex_lock_root_c(dapm->card); +} + +static inline void _snd_soc_dapm_mutex_lock_d(struct snd_soc_dapm_context *dapm) +{ + _snd_soc_dapm_mutex_lock_c(dapm->card); +} + +static inline void _snd_soc_dapm_mutex_unlock_d(struct snd_soc_dapm_context *dapm) +{ + _snd_soc_dapm_mutex_unlock_c(dapm->card); +} + +static inline void _snd_soc_dapm_mutex_assert_held_d(struct snd_soc_dapm_context *dapm) +{ + _snd_soc_dapm_mutex_assert_held_c(dapm->card); +} + +#define snd_soc_dapm_mutex_lock_root(x) _Generic((x), \ + struct snd_soc_card * : _snd_soc_dapm_mutex_lock_root_c, \ + struct snd_soc_dapm_context * : _snd_soc_dapm_mutex_lock_root_d)(x) +#define snd_soc_dapm_mutex_lock(x) _Generic((x), \ + struct snd_soc_card * : _snd_soc_dapm_mutex_lock_c, \ + struct snd_soc_dapm_context * : _snd_soc_dapm_mutex_lock_d)(x) +#define snd_soc_dapm_mutex_unlock(x) _Generic((x), \ + struct snd_soc_card * : _snd_soc_dapm_mutex_unlock_c, \ + struct snd_soc_dapm_context * : _snd_soc_dapm_mutex_unlock_d)(x) +#define snd_soc_dapm_mutex_assert_held(x) _Generic((x), \ + struct snd_soc_card * : _snd_soc_dapm_mutex_assert_held_c, \ + struct snd_soc_dapm_context * : _snd_soc_dapm_mutex_assert_held_d)(x) + +/* + * PCM helper functions + */ +static inline void _snd_soc_dpcm_mutex_lock_c(struct snd_soc_card *card) +{ + mutex_lock_nested(&card->pcm_mutex, card->pcm_subclass); +} + +static inline void _snd_soc_dpcm_mutex_unlock_c(struct snd_soc_card *card) { - mutex_lock_nested(&dapm->card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME); + mutex_unlock(&card->pcm_mutex); } -static inline void snd_soc_dapm_mutex_unlock(struct snd_soc_dapm_context *dapm) +static inline void _snd_soc_dpcm_mutex_assert_held_c(struct snd_soc_card *card) { - mutex_unlock(&dapm->card->dapm_mutex); + lockdep_assert_held(&card->pcm_mutex); } +static inline void _snd_soc_dpcm_mutex_lock_r(struct snd_soc_pcm_runtime *rtd) +{ + _snd_soc_dpcm_mutex_lock_c(rtd->card); +} + +static inline void _snd_soc_dpcm_mutex_unlock_r(struct snd_soc_pcm_runtime *rtd) +{ + _snd_soc_dpcm_mutex_unlock_c(rtd->card); +} + +static inline void _snd_soc_dpcm_mutex_assert_held_r(struct snd_soc_pcm_runtime *rtd) +{ + _snd_soc_dpcm_mutex_assert_held_c(rtd->card); +} + +#define snd_soc_dpcm_mutex_lock(x) _Generic((x), \ + struct snd_soc_card * : _snd_soc_dpcm_mutex_lock_c, \ + struct snd_soc_pcm_runtime * : _snd_soc_dpcm_mutex_lock_r)(x) + +#define snd_soc_dpcm_mutex_unlock(x) _Generic((x), \ + struct snd_soc_card * : _snd_soc_dpcm_mutex_unlock_c, \ + struct snd_soc_pcm_runtime * : _snd_soc_dpcm_mutex_unlock_r)(x) + +#define snd_soc_dpcm_mutex_assert_held(x) _Generic((x), \ + struct snd_soc_card * : _snd_soc_dpcm_mutex_assert_held_c, \ + struct snd_soc_pcm_runtime * : _snd_soc_dpcm_mutex_assert_held_r)(x) + #include <sound/soc-component.h> #include <sound/soc-card.h> #include <sound/soc-jack.h> |