From: Mario Mikoèeviæ <mario.mikocevic@xxxxxxxxxxx> > > > tuner: radio freq set to 400.00 > > > tuner: radio freq (400.00) out of range (65-108) > > > > > > Hum? > > > > Is this the radio device from bttv? > > Yep, /dev/radio from tuner module (bttv driver) And where did you get the output from?? > > > Some ioctl( .. VIDIOCSFREQ .. ) too early ?! > > > > ioctl() before open()??? > > Nope. No ioctls in my C program (yet). > It's something like : > > if( ( fd = open( dev_name, O_RDONLY ) ) > 0 ) { > printf( "Hurray!\n" ); > } else { > fprintf( stderr, "No interface found!\n" ); > exit(1); > } open() is allowed to return 0; check against -1. Replace the fprintf with perror("it's me") and guess... ...send the output of your program. Bye, Robert