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| author | David S. Miller <davem@davemloft.net> | 2012-11-17 22:00:43 -0500 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2012-11-17 22:00:43 -0500 |
| commit | 67f4efdce7d85282fbd5832cddc80a07eb89b6d6 (patch) | |
| tree | 9a1771ef13b27abdf8cf172e5b7556ab93e5c48c /sound/usb/endpoint.c | |
| parent | c53aa5058ad5ca8876a47d6639ad4d4f2c5ed584 (diff) | |
| parent | f4a75d2eb7b1e2206094b901be09adb31ba63681 (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Minor line offset auto-merges.
Signed-off-by: David S. Miller <davem@davemloft.net>
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 7f78c6d782b..34de6f2faf6 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); } } |