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| author |   Guennadi Liakhovetski <guennadi.liakhovetski@intel.com> | 2018-05-08 11:07:44 -0400 |
|---|---|---|
| committer |   Mauro Carvalho Chehab <mchehab+samsung@kernel.org> | 2018-07-27 06:39:57 -0400 |
| commit | 8e7a1dbc7b0ae048bf3f4b9707fe1a845e69aab7 (patch) | |
| tree | 7b37fafe4ae28b1c2b7f04ecb89454aceb75f2fd /include/uapi/linux/uvcvideo.h | |
| parent | media: uvcvideo: Remove a redundant check (diff) | |
| download | linux-dev-8e7a1dbc7b0ae048bf3f4b9707fe1a845e69aab7.tar.xz linux-dev-8e7a1dbc7b0ae048bf3f4b9707fe1a845e69aab7.zip | |
media: uvcvideo: Handle control pipe protocol STALLs
When a command ends up in a STALL on the control pipe, use the Request
Error Code control to provide a more precise error information to the
user. For example, if a camera is still busy processing a control,
when the same or an interrelated control set request arrives, the
camera can react with a STALL and then return the "Not ready" status
in response to a UVC_VC_REQUEST_ERROR_CODE_CONTROL command. With this
patch the user would then get an EBUSY error code instead of a
generic EPIPE.
Signed-off-by: Guennadi Liakhovetski <guennadi.liakhovetski@intel.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Diffstat (limited to 'include/uapi/linux/uvcvideo.h')
0 files changed, 0 insertions, 0 deletions