Symbol: USB_VIDEO_PU_GAIN_CONTROL
src/add-ons/media/media-add-ons/usb_webcam/addons/uvc/UVCCamDevice.cpp
1204
return _SetParameterValue(USB_VIDEO_PU_GAIN_CONTROL, (int16)fGain);
src/add-ons/media/media-add-ons/usb_webcam/addons/uvc/UVCCamDevice.cpp
872
fGain = _AddParameter(group, &subgroup, index + 12, USB_VIDEO_PU_GAIN_CONTROL,