> [   42.684000] Seek ended!<6>xc2028 1-0061: Loading firmware for type=BASE 
> (1), id 0000000000000000.
>
> [   42.704000] xc2028 1-0061: i2c output error: rc = -121 (should be 64)
>
> [   42.704000] xc2028 1-0061: -121 returned from send
>
> [   42.704000] xc2028 1-0061: Error -22 while loading base firmware
>
Probably, you're using a wrong GPIO reset code on your tuner callback. 
Those reset codes are board-specific. You may try to get this from your 
windows driver, by seeking what codes it is sending to the device. With 
USB devices, there are some tools, like usbsnoop, that allows seeing 
what's going through the bus.

For PCI devices, this is harder. For cx88, bttv and saa7134 devices, you 
may use a tool, caller regspy.exe, that is part of Dscaler code. I dunno 
if this tool works also with ivtv devices.

Another possibility is to run the driver inside a VM. There are some tools 
for retrieving data on some vm tools.

Cheers,
Mauro

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