I wrote: > Via VIDIOCSAUDIO i can force my radio driver to mono sound. > > But what should I report on VIDIOCGAUDIO (mode=V_S_STEREO/V_S_MONO) > and VIDIOCGTUNER (flags=V_T_STEREO_ON)? Hm... I could also give the following on VIDIOCGAUDIO: stereo when stereo mono when mono stereo/mono when stereo capable and set to mono... (: and nothing, when the driver author doesn't know... [: Are the applications expected to understand this? Ciao, Robert