[PATCHv4 0/4] tegra-cec: add Tegra HDMI CEC support

[Thierry Reding]

On Thu, Oct 19, 2017 at 11:36:14AM +0200, Hans Verkuil wrote:
> On 10/19/17 11:20, Thierry Reding wrote:
> > On Mon, Sep 11, 2017 at 02:29:48PM +0200, Hans Verkuil wrote:
> >> From: Hans Verkuil <hans.verkuil at cisco.com>
> >>
> >> This patch series adds support for the Tegra CEC functionality.
> >>
> >> This v4 has been rebased to the latest 4.14 pre-rc1 mainline.
> >>
> >> Please review! Other than for the bindings that are now Acked I have not
> >> received any feedback.
> >>
> >> The first patch documents the CEC bindings, the second adds support
> >> for this to tegra124.dtsi and enables it for the Jetson TK1.
> >>
> >> The third patch adds the CEC driver itself and the final patch adds
> >> the cec notifier support to the drm/tegra driver in order to notify
> >> the CEC driver whenever the physical address changes.
> >>
> >> I expect that the dts changes apply as well to the Tegra X1/X2 and possibly
> >> other Tegra SoCs, but I can only test this with my Jetson TK1 board.
> >>
> >> The dt-bindings and the tegra-cec driver would go in through the media
> >> subsystem, the drm/tegra part through the drm subsystem and the dts
> >> changes through (I guess) the linux-tegra developers. Luckily they are
> >> all independent of one another.
> >>
> >> To test this you need the CEC utilities from git://linuxtv.org/v4l-utils.git.
> >>
> >> To build this:
> >>
> >> git clone git://linuxtv.org/v4l-utils.git
> >> cd v4l-utils
> >> ./bootstrap.sh; ./configure
> >> make
> >> sudo make install # optional, you really only need utils/cec*
> >>
> >> To test:
> >>
> >> cec-ctl --playback # configure as playback device
> >> cec-ctl -S # detect all connected CEC devices
> > 
> > I finally got around to test this. Unfortunately I wasn't able to
> > properly show connected CEC devices, but I think that may just be
> > because the monitor I was testing against doesn't support CEC. I
> > will have to check against a different device eventually to check
> > that it properly enumerates, though I suspect you've already done
> > quite extensive testing yourself.
> 
> Yes, you need a TV with CEC. Most (all?) PC monitors do not support this.
> I never understood why not.
> 
> So just to confirm: you've merged this driver for 4.15?

I've applied the drm/tegra bits to drm/tegra/for-next and pulled the ARM
DT changes into the Tegra tree for v4.15. I think we had agreed that you
would take the DT bindings and CEC driver through your tree?

Thierry
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