Hi Matthias, On 2018-06-05 13:04, Matthias Schwarzott wrote: > Am 02.04.2018 um 21:59 schrieb Brad Love: >> The cx231xx USB bridge has issue streaming QAM256 DVB-C channels. >> QAM64 channels were fine, but QAM256 channels produced corrupted >> transport streams. >> >> cx231xx alt mode 4 does not provide enough bandwidth to acommodate >> QAM256 DVB-C channels, most likely DVB-T2 channels would break up >> as well. Alt mode 5 increases bridge bandwidth to 90Mbps, and >> fixes QAM256 DVB-C streaming. >> > Hi Brad, > > I read through the media commits applied in the last weeks. > > This patch looks so simple and yet resolves the (for me) unexplainable > behaviour of the Hauppauge WinTV-HVR-930C-HD. DVB-C reception did only > produce garbage, but the the same demod driver (si2165) does work > perfectly in a PCI device. > > Thank you for fixing this issue. > > Regards > Matthias Happy to get this fixed for you :) If you know of any other outstanding issues with Hauppauge hardware, feel free to point me at them. Cheers, Brad