On Thu, Oct 20, 2011 at 11:30 AM, Devin Heitmueller
<dheitmuel...@kernellabs.com> wrote:
> On Thu, Oct 20, 2011 at 11:24 AM, Taylor Ralph <taylor.ra...@gmail.com> wrote:
>> I've attached a patch that correctly sets the max/min/default values
>> for the hdpvr picture controls. The reason the current values didn't
>> cause a problem until now is because any firmware <= 0.15 didn't
>> support them. The latest firmware releases properly support picture
>> controls and the values in the patch are derived from the windows
>> driver using SniffUSB2.0.
>>
>> Thanks to Devin Heitmueller for helping me.
>>
>> Regards.
>> --
>> Taylor
>
> Hi Taylor,
>
> What worries me here is the assertion that the controls didn't work at
> all in previous firmware and driver versions.  Did you downgrade the
> firmware and see that the controls had no effect when using v4l2-ctl?
>

I have 2 HD-PVRs. I ran one with 0x17 and one with 0x15. Using
v4l2-ctl to control the 0x15 unit produced zero changes. It has been
reported by mythtv users in the past the picture control changes did
not work for the HD-PVR.

Regards.
--
Taylor
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