Re: Rpi4B needs power off reboot for TV hat

Joerg Walther <joerg.walther@magenta.de> writes:

The Natural Philosopher wrote:

Finally identified something I had been suspecting for some time.
Issuing a 'reboot' command results in tvheadend unable to find the DVB
adapter, but a power off reset finds it.

>
I had similar behaviour with a network card some while ago. Apparently
the reboot leaves the device in a state which makes it impossible for
the OS to detect it after the reboot. This actually is a bug in the
driver for the adapter, which you could report to the maintainer. When
you switch if off completely, "something" is set to standard values,
thus making the DVB adapter again available for the OS.

That sounds more like a bug in the device? i.e. not honoring the
reset signal from the host after reboot.

--
https://www.greenend.org.uk/rjk/