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[media] uvcvideo: Implement videobuf2 .wait_prepare and .wait_finish operations
authorLaurent Pinchart <laurent.pinchart@ideasonboard.com>
Mon, 21 Jan 2013 09:51:41 +0000 (06:51 -0300)
committerMauro Carvalho Chehab <mchehab@redhat.com>
Wed, 6 Feb 2013 11:33:58 +0000 (09:33 -0200)
commit05c79d0d1d0d44c2195d63d1e7c62e358eadeadf
tree80bcfd35aec18bb5c7bbb610219f33bc1e3982c9tree | snapshot
parentf23999eccb5f1b6ec858279670307b5b1abe887acommit | diff
[media] uvcvideo: Implement videobuf2 .wait_prepare and .wait_finish operations

Those optional operations are used to release and reacquire the queue
lock when videobuf2 needs to perform operations that sleep for a long
time, such as waiting for a buffer to be complete. Implement them to
avoid blocking qbuf or streamoff calls when a dqbuf is in progress.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
drivers/media/usb/uvc/uvc_queue.c diff | blob | blame | history
Linux 6.x block layer and io_uring tree(s)