diff options
Diffstat (limited to 'include/sound/core.h')
| -rw-r--r-- | include/sound/core.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/include/sound/core.h b/include/sound/core.h index ee238f100f73..e4b24dcb4b19 100644 --- a/include/sound/core.h +++ b/include/sound/core.h @@ -119,6 +119,9 @@ struct snd_card { bool registered; /* card_dev is registered? */ wait_queue_head_t remove_sleep; + size_t total_pcm_alloc_bytes; /* total amount of allocated buffers */ + struct mutex memory_mutex; /* protection for the above */ + #ifdef CONFIG_PM unsigned int power_state; /* power state */ wait_queue_head_t power_sleep; @@ -440,4 +443,12 @@ snd_pci_quirk_lookup_id(u16 vendor, u16 device, } #endif +/* async signal helpers */ +struct snd_fasync; + +int snd_fasync_helper(int fd, struct file *file, int on, + struct snd_fasync **fasyncp); +void snd_kill_fasync(struct snd_fasync *fasync, int signal, int poll); +void snd_fasync_free(struct snd_fasync *fasync); + #endif /* __SOUND_CORE_H */ |