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@xxxxxxxxx> > >> > >> 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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