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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-06-16 21:15:42 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-06-16 21:15:42 -0700 |
| commit | 0dd5198672dd2bbeb933862e1fc82162e0b636be (patch) | |
| tree | c9efed20d90603c4d1626c21bd7aab1e7fc74a58 /drivers/media/video/uvc/uvc_status.c | |
| parent | c868d550115b9ccc0027c67265b9520790f05601 (diff) | |
| parent | 11c635a25b9f3a5d87409ce46cf2e05c500251ec (diff) | |
| download | talos-op-linux-0dd5198672dd2bbeb933862e1fc82162e0b636be.tar.gz talos-op-linux-0dd5198672dd2bbeb933862e1fc82162e0b636be.zip | |
Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6
* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6: (425 commits)
V4L/DVB (11870): gspca - main: VIDIOC_ENUM_FRAMESIZES ioctl added.
V4L/DVB (12004): poll method lose race condition
V4L/DVB (11894): flexcop-pci: dmesg visible names broken
V4L/DVB (11892): Siano: smsendian - declare function as extern
V4L/DVB (11891): Siano: smscore - bind the GPIO SMS protocol
V4L/DVB (11890): Siano: smscore - remove redundant code
V4L/DVB (11889): Siano: smsdvb - add DVB v3 events
V4L/DVB (11888): Siano: smsusb - remove redundant ifdef
V4L/DVB (11887): Siano: smscards - add board (target) events
V4L/DVB (11886): Siano: smscore - fix some new GPIO definitions names
V4L/DVB (11885): Siano: Add new GPIO management interface
V4L/DVB (11884): Siano: smssdio - revert to stand alone module
V4L/DVB (11883): Siano: cards - add two additional (USB) devices
V4L/DVB (11824): Siano: smsusb - change exit func debug msg
V4L/DVB (11823): Siano: smsusb - fix typo in module description
V4L/DVB (11822): Siano: smscore - bug fix at get_device_mode
V4L/DVB (11821): Siano: smscore - fix isdb-t firmware name
V4L/DVB (11820): Siano: smscore - fix byte ordering bug
V4L/DVB (11819): Siano: smscore - fix get_common_buffer bug
V4L/DVB (11818): Siano: smscards - assign gpio to HPG targets
...
Diffstat (limited to 'drivers/media/video/uvc/uvc_status.c')
| -rw-r--r-- | drivers/media/video/uvc/uvc_status.c | 21 |
1 files changed, 18 insertions, 3 deletions
diff --git a/drivers/media/video/uvc/uvc_status.c b/drivers/media/video/uvc/uvc_status.c index 21d87124986b..f152a9903862 100644 --- a/drivers/media/video/uvc/uvc_status.c +++ b/drivers/media/video/uvc/uvc_status.c @@ -194,7 +194,7 @@ int uvc_status_init(struct uvc_device *dev) dev->status, UVC_MAX_STATUS_SIZE, uvc_status_complete, dev, interval); - return usb_submit_urb(dev->int_urb, GFP_KERNEL); + return 0; } void uvc_status_cleanup(struct uvc_device *dev) @@ -205,15 +205,30 @@ void uvc_status_cleanup(struct uvc_device *dev) uvc_input_cleanup(dev); } -int uvc_status_suspend(struct uvc_device *dev) +int uvc_status_start(struct uvc_device *dev) +{ + if (dev->int_urb == NULL) + return 0; + + return usb_submit_urb(dev->int_urb, GFP_KERNEL); +} + +void uvc_status_stop(struct uvc_device *dev) { usb_kill_urb(dev->int_urb); +} + +int uvc_status_suspend(struct uvc_device *dev) +{ + if (atomic_read(&dev->users)) + usb_kill_urb(dev->int_urb); + return 0; } int uvc_status_resume(struct uvc_device *dev) { - if (dev->int_urb == NULL) + if (dev->int_urb == NULL || atomic_read(&dev->users) == 0) return 0; return usb_submit_urb(dev->int_urb, GFP_NOIO); |
