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Bug#1009262: linux-image-5.16.0-0.bpo.4-arm64: power supply incorrectly reported as offline

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On 10 Apr 2022 07:39:54 -0400 James Valleroy <jvalleroy@mailbox.org> wrote:
> Package: src:linux
> Version: 5.16.12-1~bpo11+1
> 
> I'm using a ROCKPro64 ... The system is
> running on wall power adapter and does not have a battery.
> 
> In the log it showed "WARNING System is on battery power, stopping". 
> It uses the on_ac_power command from powermgmt-base package.
> 
> Initially, I was using the kernel package from Bullseye when I noticed
> this issue. I upgraded to bullseye-backports kernel, and saw that the
> issue remained.

When switching to the 5.16 bpo kernel, did you also update the dtb to that 
version?

I asked on IRC (Pine64:#rock64) and got the following responses:
- it seems like the Type-C port is misreported as a power input, which it 
can't be in case of the RP64
- When asked for the DT used, I said Debian uses upstream dtbs
- there's no Type-C for the RP64 in the upstream DT, so perhaps Debian did 
something wrong in the patches that added Type-C to the RP64 DT they're using

@Vagrant: I checked the kernel patches dir and I didn't see one which would've 
changed the dtb for the RockPro64, but you likely know better then I do.
Does Debian use the exact same DT/dtb as upstream on the RockPro64?

Cheers,
  Diederik

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Bug#1009262: linux-image-5.16.0-0.bpo.4-arm64: power supply incorrectly reported as offline James Valleroy <jvalleroy@mailbox.org> - 2022-04-10 13:50 +0200
  Bug#1009262: linux-image-5.16.0-0.bpo.4-arm64: power supply incorrectly reported as offline Diederik de Haas <didi.debian@cknow.org> - 2022-04-11 18:20 +0200
  Bug#1009262: linux-image-5.16.0-0.bpo.4-arm64: power supply incorrectly reported as offline Diederik de Haas <didi.debian@cknow.org> - 2022-04-19 01:40 +0200
    Bug#1009262: linux-image-5.16.0-0.bpo.4-arm64: power supply incorrectly reported as offline Diederik de Haas <didi.debian@cknow.org> - 2022-04-19 18:10 +0200

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