diff options
| author | Alex Shi <alex.shi@linaro.org> | 2016-04-21 14:42:15 +0800 |
|---|---|---|
| committer | Alex Shi <alex.shi@linaro.org> | 2016-04-21 14:42:15 +0800 |
| commit | fd9302c16fc244139c1ddfdffc145d5b772ed9ce (patch) | |
| tree | 40270feadd63149bcd43380cf3fe402a2dcd85ad /sound/usb/usbaudio.h | |
| parent | 9b17ba5e21b99587d7c54250059cf10fd51c74f2 (diff) | |
| parent | 6fe78bc1bfcddabbf3d210e18f91da44fa796d8a (diff) | |
Merge remote-tracking branch 'lts/linux-4.1.y' into linux-linaro-lsk-v4.1lsk-v4.1-16.04
Conflicts:
arch/arm/include/asm/psci.h
mm/memcontrol.c
Diffstat (limited to 'sound/usb/usbaudio.h')
| -rw-r--r-- | sound/usb/usbaudio.h | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/sound/usb/usbaudio.h b/sound/usb/usbaudio.h index 991aa84491cd..66cba05258af 100644 --- a/sound/usb/usbaudio.h +++ b/sound/usb/usbaudio.h @@ -37,11 +37,12 @@ struct snd_usb_audio { struct usb_interface *pm_intf; u32 usb_id; struct mutex mutex; - struct rw_semaphore shutdown_rwsem; - unsigned int shutdown:1; unsigned int probing:1; - unsigned int in_pm:1; unsigned int autosuspended:1; + atomic_t active; + atomic_t shutdown; + atomic_t usage_count; + wait_queue_head_t shutdown_wait; unsigned int txfr_quirk:1; /* Subframe boundaries on transfers */ int num_interfaces; @@ -116,4 +117,7 @@ struct snd_usb_audio_quirk { #define combine_triple(s) (combine_word(s) | ((unsigned int)(s)[2] << 16)) #define combine_quad(s) (combine_triple(s) | ((unsigned int)(s)[3] << 24)) +int snd_usb_lock_shutdown(struct snd_usb_audio *chip); +void snd_usb_unlock_shutdown(struct snd_usb_audio *chip); + #endif /* __USBAUDIO_H */ |