Re: [PATCH 0/6] media: ite-cir driver cleanups

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Hi Sean,

On Tue, Feb 23, 2021 at 05:50:01PM +0000, Sean Young wrote:
> On Tue, Feb 23, 2021 at 05:13:07PM +0100, Matthias Reichl wrote:
> > I could only test receiving (don't have a transmitter on that PC)
> > and also couldn't test the carrier options (I'm using a demodulating
> > TSOP receiver here), but your changes look sane to me.
> 
> I only have got an eeepc box, with the same limitations. Do you happen to
> know what hardware there is for this driver? It would be nice to test this
> properly.
> 
> This is the only IR driver that can change the RX carrier range, so it's
> kinda interesting.

In the most recent bug report I got (about a month ago) the user was
using an intel NUC (NUC10i3FNH/NUC10i3FNB according to DMI):
https://forum.libreelec.tv/thread/23211-intel-nightly-build-problem-with-mce-remote/?postID=148823#post148823

I've also seen NUCs with Nuvoton CIR though and I suspect they'll
all probably have a demodulating receiver soldered directly to the
board, so probably not easy to tinker with (haven't checked though).

I have only an ancient Pentium 4 mainboard (Gigabyte 8IPE775) with
an IT8712 here. IR RX/TX and CIR RX/TX are all exposed on a header,
but the BIOS is somewhat odd and doesn't contain CIR on/off settings
or announce the CIR via ACPI. So I had to manually patch ACPI tables
to get that beast working.... ITE8713 pnpid was close enough (couldn't
find a datasheet for 8713, only 8712 - that does mention demodulating
though).

I don't think I have a simple IR diode or transistor here to easily
test that, only demodulating TSOPs (and some clones) - hooking that
up to the mainboard wouldn't be too hard.

so long,

Hias



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