[media] uvcvideo: Remove sysadmin requirements for UVCIOC_CTRL_MAP

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This patch removes the sysadmin requirements for UVCIOC_CTRL_MAP (and the stub
implementation of UVCIOC_CTRL_ADD). This requirement no longer makes sense with
the new XU control access mechanisms since XU controls can be accessed without
adding control mappings first.

A maximum number (currently 1024) of control mappings per device is enforced to
avoid excess memory consumption caused by careless user space applications.

Signed-off-by: Martin Rubli <martin_rubli@logitech.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

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Martin Rubli 2010-09-08 04:15:23 -03:00 • committed by Mauro Carvalho Chehab

parent ba2fa99668

commit 8fb91b33c6

4 changed files with 19 additions and 6 deletions

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14

drivers/media/video/uvc/uvc_ctrl.c

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1

drivers/media/video/uvc/uvc_driver.c

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6

drivers/media/video/uvc/uvc_v4l2.c

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4

drivers/media/video/uvc/uvcvideo.h

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