Merge "Add basic documentation about cec key handling" into rvc-dev am: ee1e37df50 am: caa768b43b (c56c9e92) · Commits · e / os / android_frameworks_base

services/core/java/com/android/server/hdmi/README.md

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		# Package com.android.server.hdmi

		HDMI service for Android with focus on CEC

		## Links

		* [CEC Key Handling](cec_key_handling.md)

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		# CEC Key Handling

		The mapping of CEC key codes to Android key codes are at
		[HdmiCecKeycode](HdmiCecKeycode.java)

		# Android TV

		Android TV requires special handling of some keys.

		The general action for key handling is described in the table

		\| Android Key \| TV Panel \| OTT \| Soundbar \|
		\| ----------- \| ----------------- \| ------------------- \| ------------------- \|
		\| general \| Send to active source \| handle on device \| handle on device \|
		\| POWER \| Toggle the device power state \| Toggle the TV power state \| Toggle the TV power state \|
		\| TV_POWER \| Toggle the device power state \| Toggle the TV power state \| Toggle the TV power state \|
		\| HOME \| Turn on TV, Set active Source to TV, go to home screen \| OTP, and go to home screen \| OTP, and go to home screen \|
		\| volume keys \| Handle on device or send to soundbar \| Send to TV or soundbar \| Handle on device or send to TV \|

		Special cases and flags for each key are described below

		## POWER

		### TV Panel

		TODO

		### OTT

		TODO

		### Soundbar

		TODO