25 - Working brightness, contrast, saturation and hue controls
204 	select this through controls.
236 	select this through controls.
276 	if set disable the error injecting controls. This option is
278 	exercise all controls including a control like 'Disconnect' which
284 	controls that select crop, compose and scale behavior are also
360 controls 'Standard Signal Mode' and 'Standard' determine what
535 The FM receiver supports RDS as well, both using 'Block I/O' and 'Controls'
536 modes. In the 'Controls' mode the RDS information is stored in read-only
537 controls. These controls are updated every time the frequency is changed,
567 The FM transmitter supports RDS as well, both using 'Block I/O' and 'Controls'
568 modes. In the 'Controls' mode the transmitted RDS information is configured
569 using controls, and in 'Block I/O' mode the blocks are passed to the driver
592 transmitted based on the values set in vivid controls.
615 Controls  chapter
618 Different devices support different controls. The sections below will describe
622 User Controls - Test Controls
626 Integer Menu are controls that represent all possible control types. The Menu
629 Both menu controls also have a non-zero minimum control value.  These features
631 These controls are supported for every device type.
634 User Controls - Video Capture
637 The following controls are specific to video capture.
639 The Brightness, Contrast, Saturation and Hue controls actually work and are
645 This allows you to test controls that can change their range.
647 The 'Gain, Automatic' and Gain controls can be used to test volatile controls:
652 The 'Horizontal Flip' and 'Vertical Flip' controls can be used to flip the
654 controls.
660 User Controls - Audio
663 The following controls are specific to video capture and output and radio
666 The 'Volume' and 'Mute' audio controls are typical for such devices to
671 Vivid Controls
674 These vivid custom controls control the image generation, error injection, etc.
677 Test Pattern Controls  argument
680 The Test Pattern Controls are all specific to video capture.
741 Capture Feature Selection Controls  argument
744 These controls are all specific to video capture.
863 Output Feature Selection Controls  argument
866 These controls are all specific to video output.
888 Error Injection Controls  argument
891 The following two controls are only valid for video and vbi capture.
910 The following two controls are only valid for video capture.
930 The following controls are only present if the no_error_inj module option
931 is set to 0 (the default). These controls are valid for video and vbi
988 VBI Raw Capture Controls  argument
997 Digital Video Controls
1024 FM Radio Receiver Controls
1048 	these are all read-only controls. If RDS Rx I/O Mode is set to
1050 	to "Controls", then these controls report the received RDS data.
1078 	by the application, or "Controls" where the RDS data is provided by
1079 	the RDS controls mentioned above.
1082 FM Radio Modulator Controls
1117 	these are all controls that set the RDS data that is transmitted by
1123 	to pass the RDS blocks to the driver, or "Controls" where the RDS data
1124 	is Provided by the RDS controls mentioned above.
1126 Metadata Capture Controls
1233 which features are supported can be selected through the Vivid controls,
1359   "Controls" RDS Rx I/O Mode as the read-only RDS controls could be updated