[mythtv-users] HD-PVR as IR receiver under Mythbuntu, advice needed

Jerry Rubinow jerrymr at gmail.com
Tue Nov 24 21:15:37 UTC 2009

On Tue, Nov 24, 2009 at 4:06 PM, Jarod Wilson <jarod at wilsonet.com> wrote:

> On Nov 24, 2009, at 4:02 PM, Jerry Rubinow wrote:
> > On Tue, Nov 24, 2009 at 3:54 PM, Jarod Wilson <jarod at wilsonet.com>
> wrote:
> > On Nov 24, 2009, at 1:04 PM, Jerry Rubinow wrote:
> >
> > > So I've been planning my upgrade to 0.22, along with adding an HD-PVR
> and replacing my frontend hardware with a Revo. The Revo doesn't have a
> serial port, so my IR sensor will no longer be usable. However, the HD-PVR
> has an IR sensor built-in, and from what I can gather, there is support for
> it in lirc, but this support is kind of an in-progress thing.  I want to use
> Mythbuntu for my myth system, and upgrade the lirc drivers to handle the
> HD-PVR sensor.
> > >
> > > In this message:
> > >
> > > http://mythtv.org/pipermail/mythtv-users/2009-September/263197.htmll
> > >
> > > Jarod talks about ways to upgrade lirc to work with the HD-PVR.
> However, I think his examples all pertain to Fedora.
> >
> > No. Everything after option 1 there pertains to Linux, nothing
> Fedora-specific at all.
> >
> > For Fedora 12 though, it should all Just Work, right out of the box.
> >
> > > Does anyone have advice on what route to take to get this working under
> Mythbuntu?  I have some, but not a lot (and not in several years), of
> experience with kernel rebuilding, if that ends up being necessary.
> >
> > Its not. See option 3 in the url you referenced. (but I'd use the latest
> git head, rather than the version referenced there).
> >
> > Excellent.  Is the receiver code pretty stable at this point?  I read
> somewhere in my searching something about the HD-PVR becoming unresponsive
> or something occasionally when using lirc with it.  If this is not an issue,
> that means I can go ahead and order the Revo with the knowledge that I'll be
> able to get it working with not too much pain and suffering on my part.
> There are reports of the unit essentially locking itself up during
> recording if the ir part is being polled by the lirc_zilog driver, yes. Not
> sure if that's an issue with the hdpvr driver or the lirc_zilog driver at
> this point. I don't actually use my hdpvr for much of anything at the
> moment, and haven't had time to dig into it.

Hmmm.  Does use of the HD-PVR receiver necessitate use of lirc_zilog?

Is lirc_zilog always polling the IR?

Is there any way to prevent polling, and what implications does that have?
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