V4L/DVB: uvcvideo: Flag relative controls as write-only

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The UVC relative controls (exposure time, iris, focus, zoom, pan/tilt)
are write-only (despite the UVC specification stating that the GET_CUR
request is mandatory). Mark the controls as such, and report the related
V4L2 controls V4L2_CTRL_FLAG_WRITE_ONLY.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

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Laurent Pinchart 2010-04-25 16:23:24 -03:00 • committed by Mauro Carvalho Chehab

parent 6142120683

commit a90ef69c1f

1 changed files with 16 additions and 12 deletions

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28

drivers/media/video/uvc/uvc_ctrl.c

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