Hi,

The most recent version of the Hauppauge WinTV HVR-850 is currently
not supported.  The previous two hardware versions with USB ID
2040:651f and 2040:7240 are supported but the most recent version with
USB ID 2040:b140 is not.

I have identified the components in this new version (through a
combination of reading the .inf file for the Windows driver and
cracking the device open):

Interface Bridge: CX23100
Tuner: LGDT3305
Demodulator: TDA18271HDC2

More details in my post on the discussion page for the device on the
v4l-dvb wiki:
http://linuxtv.org/wiki/index.php/Talk:Hauppauge_WinTV-HVR-850#Possibly_Valuable_Information

I believe that all these components already have drivers available.  I
just don't have the experience to get them together in the cx231xx
module.

All previous HVR-850 and 950(Q) USB devices used the em28xx or au0828
bridge interface, so I don't have a template to work from in the
cx231xx module.  Discovering the gpio configuration is also beyond my
experience.

Any help?  Or any existing development on this that I don't know about?

Thanks,
Seth
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