Re: HVR1255 svideo

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I do see the mods to HVR1255 in his tree in Oct.  I have some patching
to do now.

Thanks!

On Sat, Jan 29, 2011 at 4:12 PM, Devin Heitmueller
<dheitmueller@xxxxxxxxxxxxxx> wrote:
> On Sat, Jan 29, 2011 at 1:53 PM, Jon Goldberg <jond578@xxxxxxxxx> wrote:
>> Hi
>>
>> I've been trying to get the Svideo input on my HVR-1255 working.  From
>> the latest code in cx23885-cards.c, it seems that only DVB is
>> supported.  I have some experience writing Linux Kernel/Drivers so I'm
>> determined to get this working.
>>
>> I copied the cx23885_boards[CX23885_BOARD_HAUPPAUGE_HVR1250] settings
>> and did get the V4L layer connected enough to get a /dev/video0,
>> albeit with only green video and no picture.  I then realized that was
>> probably a dumb thing to do (possibly damaging the GPIO), since the
>> eeprom is clearly different based on what I saw in tveeprom.c.
>>
>> My question is, am I going down the right path to add this support?
>> Should I go ahead and install Windows (sigh) and get the output from
>> RegSpy?  Are there any developer git trees that are focused on this
>> area?
>
> Steven did a bunch of analog work on the cx23885, although I do not
> believe he brought up the 1255 specifically.  I would definitely look
> at his tree as a starting point (if for no other reason than he's the
> cx23885 maintainer and will have to ACK any patches you send):
>
> https://www.kernellabs.com/hg/~stoth/cx23885-mpx/
>
> Devin
>
> --
> Devin J. Heitmueller - Kernel Labs
> http://www.kernellabs.com
>
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