diff options
author | Alex Shi <alex.shi@linaro.org> | 2016-04-21 14:43:36 +0800 |
---|---|---|
committer | Alex Shi <alex.shi@linaro.org> | 2016-04-21 14:43:36 +0800 |
commit | 9beee7af111a7afa5f7b787daaf8a6891c05f216 (patch) | |
tree | 92fdbea807b9ef2917d1f087355f08617230dd75 /sound/usb/usbaudio.h | |
parent | e8490c42825967752fef08dddf37eb3f5f34d753 (diff) | |
parent | fd9302c16fc244139c1ddfdffc145d5b772ed9ce (diff) |
Merge branch 'linux-linaro-lsk-v4.1' into linux-linaro-lsk-v4.1-androidlsk-v4.1-16.04-android
Conflicts:
keep -fno-pic flag in arch/arm64/Makefile
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 */ |