Dear Jean Delvare, >> 6. switch_output_format : 2=RGB, 1=SVIDEO, 0=Composite JD> Using "format" is a bit confusing IMHO. What about "output_source"? (Oh JD> well this is maybe even more confusing...) Perhaps output_mode ? JD> As a general rule, you don't want to prepend the action to the file JD> names. Sorry, I didn't know that. JD> Well, without the hardware I probably won't help much - and I don't JD> really plan to read the full data sheet ;) Don't know what to do with JD> these. If it's not a "public" think, we don't care much, except that it JD> might conflict with something else someday... Do as you want. If it's JD> not widely used, this also mean we can change it later if needed. When I tried it in the past (with a 2.4 kernel) it gave out quite strange results. I think I'll name it bt869_status[1-3] so that it doesn't interfere. OK? Bernhard Gruber