diff options
Diffstat (limited to 'drivers/media/video/pwc/pwc.h')
| -rw-r--r-- | drivers/media/video/pwc/pwc.h | 21 |
1 files changed, 11 insertions, 10 deletions
diff --git a/drivers/media/video/pwc/pwc.h b/drivers/media/video/pwc/pwc.h index e4d4d711dd1f..d6b5b216b9d6 100644 --- a/drivers/media/video/pwc/pwc.h +++ b/drivers/media/video/pwc/pwc.h @@ -221,9 +221,17 @@ struct pwc_device struct video_device vdev; struct v4l2_device v4l2_dev; - /* Pointer to our usb_device, may be NULL after unplug */ - struct usb_device *udev; - struct mutex udevlock; + /* videobuf2 queue and queued buffers list */ + struct vb2_queue vb_queue; + struct list_head queued_bufs; + spinlock_t queued_bufs_lock; /* Protects queued_bufs */ + + /* Note if taking both locks v4l2_lock must always be locked first! */ + struct mutex v4l2_lock; /* Protects everything else */ + struct mutex vb_queue_lock; /* Protects vb_queue and capt_file */ + + /* Pointer to our usb_device, will be NULL after unplug */ + struct usb_device *udev; /* Both mutexes most be hold when setting! */ /* type of cam (645, 646, 675, 680, 690, 720, 730, 740, 750) */ int type; @@ -232,7 +240,6 @@ struct pwc_device /*** Video data ***/ struct file *capt_file; /* file doing video capture */ - struct mutex capt_file_lock; int vendpoint; /* video isoc endpoint */ int vcinterface; /* video control interface */ int valternate; /* alternate interface needed */ @@ -251,12 +258,6 @@ struct pwc_device unsigned char *ctrl_buf; struct urb *urbs[MAX_ISO_BUFS]; - char iso_init; - - /* videobuf2 queue and queued buffers list */ - struct vb2_queue vb_queue; - struct list_head queued_bufs; - spinlock_t queued_bufs_lock; /* * Frame currently being filled, this only gets touched by the |