tjh.dev / kernel
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kernel / Documentation / devicetree / bindings / media / cec.txt
at v5.15 8 lines 316 B view raw
1Common bindings for HDMI CEC adapters 2 3- hdmi-phandle: phandle to the HDMI controller. 4 5- needs-hpd: if present the CEC support is only available when the HPD 6 is high. Some boards only let the CEC pin through if the HPD is high, 7 for example if there is a level converter that uses the HPD to power 8 up or down.