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From: "R.Wieser" <address@is.invalid>
Newsgroups: comp.sys.raspberry-pi
Subject: Re: Releasing the TV before shutting down ?
Date: Tue, 30 Jul 2024 21:51:30 +0200
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Joerg,

> Then there is nothing you can do about the pi, it's turned off.

:-) There is a moment before its shut down and powered off that its still 
running.  That would be a splendid moment to have the RPi tell the TV that 
it should switch its inputs away from the RPi, don't you think ?

> So you must check if there is a setting on your HDMI switch

What switch ?  You mean the one thats part of the TV ?  That one doesn't 
have a settings panel I'm afraid.

Regards,
Rudy Wieser