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Add HDMI-CEC documentation on HAOS setup (#28143)

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* Add HDMI-CEC documentation on HAOS setup

* Minor tweaks

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Co-authored-by: c0ffeeca7 <38767475+c0ffeeca7@users.noreply.github.com>
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Pieter Mulder 2023-07-10 11:34:43 +02:00 committed by GitHub
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source/_integrations/hdmi_cec.markdown
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@ -18,6 +18,12 @@ The `hdmi_cec` integration provides services that allow selecting the active dev
## CEC Setup
### Home Assistant OS
To test if HDMI-CEC will work on your Home Assistant OS installation, you can use the official **CEC Scanner** add-on. Run this add-on to see if your hardware has HDMI-CEC capabilities and which devices are connected. Do not have this add-on **Start on boot** as it will interfere with the integration.
Once you've run the add-on, you can use the resulting scan information to configure the integration.
### Adapter
The computer running Home Assistant must support CEC, and of course be connected via HDMI to a device also supporting CEC. You can purchase a [USB CEC adapter](https://www.pulse-eight.com/p/104/usb-hdmi-cec-adapter) to add support if necessary. Note that all Raspberry Pi models support CEC natively.