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If requests are not supported by the driver, then return EACCES, not EPERM. If you attempt to mix queueing buffers directly and using requests, then EBUSY is returned instead of EPERM: once a specific queueing mode has been chosen the queue is 'busy' if you attempt the other mode (i.e. direct queueing vs via a request). Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Reviewed-by: Tomasz Figa <tfiga@chromium.org> Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org> |
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| .. | ||
| media-controller-intro.rst | ||
| media-controller-model.rst | ||
| media-controller.rst | ||
| media-func-close.rst | ||
| media-func-ioctl.rst | ||
| media-func-open.rst | ||
| media-funcs.rst | ||
| media-header.rst | ||
| media-ioc-device-info.rst | ||
| media-ioc-enum-entities.rst | ||
| media-ioc-enum-links.rst | ||
| media-ioc-g-topology.rst | ||
| media-ioc-request-alloc.rst | ||
| media-ioc-setup-link.rst | ||
| media-request-ioc-queue.rst | ||
| media-request-ioc-reinit.rst | ||
| media-types.rst | ||
| request-api.rst | ||
| request-func-close.rst | ||
| request-func-ioctl.rst | ||
| request-func-poll.rst | ||