I can scan frequency using w_scan, however I cannot tune to a given channel. Same setup with 188.8.131.52 works.
The change in the DIB7xxx driver structure (split into different adapter type) that happened in .x may be related as
Created attachment 69382 [details]
First of a 3 patch serie that fixes the problem
Created attachment 69392 [details]
Created attachment 69402 [details]
These patches are in git://linuxtv.org/media_tree.git branch staging/for_v3.2 with Cc: stable, for what it's worth. So it is likely they will appear in a v3.1.y and v3.0.y kernel.
Why not 3.1? Its a bug fix after all!!!
Yes, regression fix even.
Patch : https://bugzilla.kernel.org/attachment.cgi?id=69382
Patch : https://bugzilla.kernel.org/attachment.cgi?id=69392
Patch : https://bugzilla.kernel.org/attachment.cgi?id=69402
*** Bug 41232 has been marked as a duplicate of this bug. ***