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? Regards, Hans -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
