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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2012-11-09 18:08:04 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-11-09 18:08:04 +0100 |
| commit | 3f561834dc016d89ec2f33f80f3be1d027b13b21 (patch) | |
| tree | df0d78918e4b95eece0f0215ffcb29cfc59c6a7e /sound/usb/endpoint.c | |
| parent | a186d25de39ba2e3c6a3ef1c3975dabb29fe7421 (diff) | |
| parent | 8bb4d9ce08b0a92ca174e41d92c180328f86173f (diff) | |
Merge tag 'sound-3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"Most of commits are for stable and regression fixes. Except for one
fix for a regression in 3.7-rc4, there are all driver local changes,
so nothing too much to worry."
* tag 'sound-3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ALSA: Fix card refcount unbalance
ALSA: hda - Add new codec ALC668 and ALC900 (default name ALC1150)
ALSA: hda - Improve HP depop when system enter to S3
ALSA: usb-audio: Fix crash at re-preparing the PCM stream
ALSA: hdspm - Fix sync check reporting on RME RayDAT
ALSA: hda - Add pin fixups for ASUS G75
ALSA: hda - Fix invalid connections in VT1802 codec
ALSA: hda - Fix empty DAC filling in patch_via.c
ALSA: hda - Force to reset IEC958 status bits for AD codecs
ALSA: es1968: Add ESS vendor ID to pm_whitelist
ALSA: HDA: Mark CS260x immutable structures const
ALSA: HDA: Fix digital microphone on CS420x
ALSA: hda: Cirrus: Fix coefficient index for beep configuration
ALSA: hda - support Teradici 2200 host card audio
ALSA: Fix typo in drivers sound
Diffstat (limited to 'sound/usb/endpoint.c')
| -rw-r--r-- | sound/usb/endpoint.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/sound/usb/endpoint.c b/sound/usb/endpoint.c index 7f78c6d782b0..34de6f2faf61 100644 --- a/sound/usb/endpoint.c +++ b/sound/usb/endpoint.c @@ -35,6 +35,7 @@ #define EP_FLAG_ACTIVATED 0 #define EP_FLAG_RUNNING 1 +#define EP_FLAG_STOPPING 2 /* * snd_usb_endpoint is a model that abstracts everything related to an @@ -502,10 +503,20 @@ static int wait_clear_urbs(struct snd_usb_endpoint *ep) if (alive) snd_printk(KERN_ERR "timeout: still %d active urbs on EP #%x\n", alive, ep->ep_num); + clear_bit(EP_FLAG_STOPPING, &ep->flags); return 0; } +/* sync the pending stop operation; + * this function itself doesn't trigger the stop operation + */ +void snd_usb_endpoint_sync_pending_stop(struct snd_usb_endpoint *ep) +{ + if (ep && test_bit(EP_FLAG_STOPPING, &ep->flags)) + wait_clear_urbs(ep); +} + /* * unlink active urbs. */ @@ -918,6 +929,8 @@ void snd_usb_endpoint_stop(struct snd_usb_endpoint *ep, if (wait) wait_clear_urbs(ep); + else + set_bit(EP_FLAG_STOPPING, &ep->flags); } } |