Re: [PATCH] power: supply: qcom_battmgr: do not report power_now on SM8750

[Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>]

On 10/23/26 3:49 PM, Qianhui Xu wrote:
> Hi Konrad,
> 
>> Did you try reaching out to the vendor?
> 
> No, and I want to be precise about why rather than hand-wave it:
> 
>   - This tablet (Lenovo Legion Y700 Gen4, TB322FC) has no vendor channel for
>     kernel sources. The public support surface is consumer warranty, not
>     engineering. We are an independent bring-up, not a customer of theirs.
>   - I also asked the person who is upstreaming the mainline DT for this same
>     board (separate thread, private) whether a downstream tree exists publicly.
>     There are partial downstream trees for sibling Lenovo tablets, but none that
>     covers this unit's QBG/battery path.
> 
> So "ask the vendor" is not available to us. What I could do instead, I did:
> boot the unit's own stock Android and compare it against mainline on the same
> battery.

I know you're independent. Vendors generally have an obligation to
release GPL2 source code and have channels to request it. Calling
customer support will probably get you nowhere though, as it's not
the correct place.

Konrad