Re: [PATCH v2 5/6] arm64: dts: qcom: x1e80100-vivobook-s15: add charge limit nvmem

[Konrad Dybcio]

On 11/17/25 3:13 PM, Maud Spierings wrote:
> Hi Konrad,
> 
> On 11/17/25 13:59, Konrad Dybcio wrote:
>> On 11/16/25 11:52 AM, Maud Spierings via B4 Relay wrote:
>>> From: Maud Spierings <maud_spierings@xxxxxxxxxxx>
>>>
>>> Add nvmem cells for getting charge control thresholds if they have
>>> been set previously.
>>>
>>> Signed-off-by: Maud Spierings <maud_spierings@xxxxxxxxxxx>
>>> ---
>>
>> Have you verified that e.g.
>>
>> connecting the charger
>> setting the charge threshold
>> rebooting to windows
>> rebooting to windows once more for good measure
>> rebooting to linux
>>
>> still has the settings persist?
> 
> Hmm I have tried several things but I can't seem to get the values to stick. I the spmi-sdam driver is compiled in, I am not quite sure if I might be missing something.

Hm, I wonder if Windows/UEFI overwrites these values or whether they're
used by something else..

Can you set a threshold in windows and see if Linux can read back that
data?

Konrad