diff options
Diffstat (limited to 'Documentation/media/uapi/dvb/video-get-capabilities.rst')
-rw-r--r-- | Documentation/media/uapi/dvb/video-get-capabilities.rst | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/Documentation/media/uapi/dvb/video-get-capabilities.rst b/Documentation/media/uapi/dvb/video-get-capabilities.rst new file mode 100644 index 000000000..6987f659a --- /dev/null +++ b/Documentation/media/uapi/dvb/video-get-capabilities.rst @@ -0,0 +1,63 @@ +.. -*- coding: utf-8; mode: rst -*- + +.. _VIDEO_GET_CAPABILITIES: + +====================== +VIDEO_GET_CAPABILITIES +====================== + +Name +---- + +VIDEO_GET_CAPABILITIES + +.. attention:: This ioctl is deprecated. + +Synopsis +-------- + +.. c:function:: int ioctl(fd, VIDEO_GET_CAPABILITIES, unsigned int *cap) + :name: VIDEO_GET_CAPABILITIES + + +Arguments +--------- + +.. flat-table:: + :header-rows: 0 + :stub-columns: 0 + + + - .. row 1 + + - int fd + + - File descriptor returned by a previous call to open(). + + - .. row 2 + + - int request + + - Equals VIDEO_GET_CAPABILITIES for this command. + + - .. row 3 + + - unsigned int \*cap + + - Pointer to a location where to store the capability information. + + +Description +----------- + +This ioctl call asks the video device about its decoding capabilities. +On success it returns and integer which has bits set according to the +defines in section ??. + + +Return Value +------------ + +On success 0 is returned, on error -1 and the ``errno`` variable is set +appropriately. The generic error codes are described at the +:ref:`Generic Error Codes <gen-errors>` chapter. |