$ uname -a
Linux <...> 3.5.0-15-generic #22-Ubuntu SMP Wed Sep 19 20:06:19 UTC 2012 i686 i686 i686 GNU/Linux
$ v4l2-ctl -d /dev/radio0 --all -L
Driver Info (not using libv4l2):
Driver name : bttv
<...>
Tuner:
Name : Radio Capabilities : 62.5 Hz stereo
Frequency range : 65.0 MHz - 108.0 MHz
<...>
In 12.10 all works fine.
$ uname -a
Linux <...> 3.5.0-15-generic #22-Ubuntu SMP Wed Sep 19 20:06:19 UTC 2012 i686 i686 i686 GNU/Linux
$ v4l2-ctl -d /dev/radio0 --all -L
Capabilities : 62.5 Hz stereo
Driver Info (not using libv4l2):
Driver name : bttv
<...>
Tuner:
Name : Radio
Frequency range : 65.0 MHz - 108.0 MHz
<...>