* Re: lg-laptop and WM_BATT_LIMIT
[not found] <CANEs7EkTrP2MygqhPAe=n5K=6inygWFkEpp3Y1_TTgDjSYT16w@mail.gmail.com>
@ 2021-04-05 11:42 ` Andy Shevchenko
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From: Andy Shevchenko @ 2021-04-05 11:42 UTC (permalink / raw)
To: Christian Wehrfritz; +Cc: matan, Hans de Goede, Mark Gross, platform-driver-x86
+Cc: mailing list and PDx86 maintainers
On Sun, Apr 04, 2021 at 10:34:09PM +0200, Christian Wehrfritz wrote:
> Hi Matan and Andy,
>
> I have a recent LG Gram 17 and the lg-laptop module works fine, except for
> the battery limit, that I'd like to set to 80.
>
> I've been using Linux for a long time (0.97) and I have some experience in
> C, but not in kernel hacking.
>
> In the module source, I noticed that you also had a different address for
> the battery limit (WMBB_BATT_LIMIT). I tried that, but setting this doesn't
> limit the charging and reading it results in an IO error - apparently the
> returned value is not an integer.
>
> Is there anything else that I could try? I still have the windows
> partition, so I could set it in the LG software. And then possibly find out
> which address has changed? How do you approach such a problem?
I'm wondering if it uses WMI for that.
In any case, I have Cc'ed this to mailing list, hope there are people who may
advise something useful.
--
With Best Regards,
Andy Shevchenko
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