Hi Thierry, On 09/11/2017 02:29 PM, 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. Can you or someone else from the Tegra maintainers review this? I have not heard anything about this patch series, nor of the previous versions of this series. What's the hold-up? Regards, Hans > > 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 > > See here for the public CEC API: > > https://hverkuil.home.xs4all.nl/spec/uapi/cec/cec-api.html > > Regards, > > Hans > > Changes since v3: > > - Use the new CEC_CAP_DEFAULTS define > - Use IS_ERR(cec->adap) instead of IS_ERR_OR_NULL(cec->adap) > (cec_allocate_adapter never returns a NULL pointer) > - Drop the device_init_wakeup: wakeup is not (yet) supported by > the CEC framework and I have never tested it. > > Hans Verkuil (4): > dt-bindings: document the tegra CEC bindings > ARM: tegra: add CEC support to tegra124.dtsi > tegra-cec: add Tegra HDMI CEC driver > drm/tegra: add cec-notifier support > > .../devicetree/bindings/media/tegra-cec.txt | 27 ++ > MAINTAINERS | 8 + > arch/arm/boot/dts/tegra124-jetson-tk1.dts | 4 + > arch/arm/boot/dts/tegra124.dtsi | 12 +- > drivers/gpu/drm/tegra/Kconfig | 1 + > drivers/gpu/drm/tegra/drm.h | 3 + > drivers/gpu/drm/tegra/hdmi.c | 9 + > drivers/gpu/drm/tegra/output.c | 6 + > drivers/media/platform/Kconfig | 11 + > drivers/media/platform/Makefile | 2 + > drivers/media/platform/tegra-cec/Makefile | 1 + > drivers/media/platform/tegra-cec/tegra_cec.c | 501 +++++++++++++++++++++ > drivers/media/platform/tegra-cec/tegra_cec.h | 127 ++++++ > 13 files changed, 711 insertions(+), 1 deletion(-) > create mode 100644 Documentation/devicetree/bindings/media/tegra-cec.txt > create mode 100644 drivers/media/platform/tegra-cec/Makefile > create mode 100644 drivers/media/platform/tegra-cec/tegra_cec.c > create mode 100644 drivers/media/platform/tegra-cec/tegra_cec.h >
