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Diffstat (limited to 'Documentation/linux_tv/media/dvb/video-select-source.rst')
| -rw-r--r-- | Documentation/linux_tv/media/dvb/video-select-source.rst | 36 |
1 files changed, 20 insertions, 16 deletions
diff --git a/Documentation/linux_tv/media/dvb/video-select-source.rst b/Documentation/linux_tv/media/dvb/video-select-source.rst index 41fc728508c0..2e76af3d468b 100644 --- a/Documentation/linux_tv/media/dvb/video-select-source.rst +++ b/Documentation/linux_tv/media/dvb/video-select-source.rst @@ -2,29 +2,23 @@ .. _VIDEO_SELECT_SOURCE: +=================== VIDEO_SELECT_SOURCE =================== -Description ------------ - -This ioctl is for DVB devices only. This ioctl was also supported by the -V4L2 ivtv driver, but that has been replaced by the ivtv-specific -``IVTV_IOC_PASSTHROUGH_MODE`` ioctl. +NAME +---- -This ioctl call informs the video device which source shall be used for -the input data. The possible sources are demux or memory. If memory is -selected, the data is fed to the video device through the write command. +VIDEO_SELECT_SOURCE -Synopsis +SYNOPSIS -------- .. c:function:: int ioctl(fd, int request = VIDEO_SELECT_SOURCE, video_stream_source_t source) -Arguments ----------- - +ARGUMENTS +--------- .. flat-table:: :header-rows: 0 @@ -50,11 +44,21 @@ Arguments - Indicates which source shall be used for the Video stream. -Return Value +DESCRIPTION +----------- + +This ioctl is for DVB devices only. This ioctl was also supported by the +V4L2 ivtv driver, but that has been replaced by the ivtv-specific +``IVTV_IOC_PASSTHROUGH_MODE`` ioctl. + +This ioctl call informs the video device which source shall be used for +the input data. The possible sources are demux or memory. If memory is +selected, the data is fed to the video device through the write command. + + +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. - - |