[mythtv-users] Implementing HD-PVR IR Blaster

Bobby Schwartz rschwartz at lastar.com
Wed Nov 18 14:31:55 UTC 2009


> 
> > I've also got the HD-PVR - I would be happy to test the IR blaster
> > feature on this device if it would be helpful.
> 
> Well, its not really the blaster that needs testing. It works. As does
> the receiver. What needs to be root-caused are hangs that may occur
> during recordings if the IR part is active (which means, lirc_zilog is
> loaded and talking to it -- the driver polls the IR part constantly).
> 
> > I use MythBuntu though - hope that's not an issue.
> 
> Only in that it requires you to patch the hdpvr driver and get
> lirc_zilog onto your system, both of which are already present in
> binary form in Fedora. Thus the sanity-check suggestion of booting a
> Fedora 12 live image, because I *know* that's got everything necessary
> in place.
> 
> 
> > On Tue, Nov 17, 2009 at 10:32 PM, Jarod Wilson <jarod at wilsonet.com>
> wrote:
> >> On Nov 17, 2009, at 9:43 AM, Bobby Schwartz wrote:
> >> ...
> >>>>> So I got compiled and snapped in the modules.  I tried several
> >>>>> combinations of modprobing and connecting the HD-PVR.  Dmesg
> shows
> >>>> the
> >>>>> lirc_dev module loading "lirc_dev: IR Remote Control driver
> >>>> registered,
> >>>>> major 251" and I see in dmesg the HD-PVR loading...
> >>>>>
> >>>>> [   10.181882] hdpvr 1-4:1.0: untested firmware version 0x12,
the
> >>>> driver
> >>>>> might not work
> >>>>> [   10.562303] hdpvr 1-4:1.0: device now attached to /dev/video0
> >>>>> [   10.562332] usbcore: registered new interface driver hdpvr
> >>>>>
> >>>>> But I'm not seeing any new lirc devices in /dev.  I also bounced
> the
> >>>> box
> >>>>> for grins and giggles.
> >>>>
> >>>> I take it you're just running the stock hdpvr driver from the
> Ubuntu
> >>>> kernel then. It doesn't have some necessary IR-enabling bits in
> it.
> >>>> There's been a bit of instability of the hdpvr with the IR part
> active
> >>>> and being polled by lirc_zilog, so the IR activation hasn't been
> >>> merged
> >>>> upstream yet.
> >>>>
> >>>
> >>> I pulled down v4l trunk and applied your changes to it; built a
new
> >>> hdpvr module and I'm fairly sure that's what's running now.
> >>
> >> Hrm. Should all be working then. Not sure what might be awry. Don't
> suppose you could boot a Fedora 12 live image on that system and see
> what it sees? The hdpvr module on there has the patches to enable IR,
> as well as the necessary lirc_zilog, so all you should have to do
after
> booting is modprobe lirc_zilog, and it *should* be working. If so,
then
> we know there's something not quite right with what you've got on the
> Ubuntu side. If not, that's good to know as well...
> >>
> >>> It's understandable that it's not in trunk yet.  I believe my HD-
> PVR is
> >>> rev E2.  I'd be more than willing to guinea pig new software if
> there's
> >>> a need.
> >>
> >> Yeah, there's definitely a need. Don't have time to do much testing
> right now myself.
> 

Yea, I can boot up a live image.  It sounds like I just need to download
the Fedora 12 desktop live CD.  Then check to see what drivers for the
HD-PVR are and aren't loading.  Is that right?


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