[Letux-kernel] dt-bindings: power: supply: bq27xxx: Add monitored-battery documentation

Michael Mrozek EvilDragon at openpandora.org
Tue Aug 29 19:31:14 CEST 2017


Am Dienstag, den 29.08.2017, 15:33 +0200 schrieb H. Nikolaus Schaller:

Yes, they were just quick fixes for us, not to be used directly for
something else.

I just thought those might help finding the issue for you :)

> Hi,
> 
> > Am 29.08.2017 um 15:25 schrieb Michael Mrozek <EvilDragon at openpando
> > ra.org>:
> > 
> > The battery monitor has been fixed by notaz.
> > Find the commits here:
> > 
> > https://dev.pyra-handheld.com/notaz/pyra-kernel/commits/pyra-4.10 <
> > https://dev.pyra-handheld.com/notaz/pyra-kernel/commits/pyra-4.10>
> 
> yes, I have seen it.
> 
> Anyways the patches from Liam seem to work on 4.13-rc7 and are a much
> more general solution.
> I am just starting to test a little.
> 
> BR,
> Nikolaus
> 
> 
> > 
> > On August 29, 2017 11:43:43 AM GMT+02:00, "H. Nikolaus Schaller" <h
> > ns at goldelico.com> wrote:
> > Hi,
> > I am trying to get this working on our bq27421.
> > 
> > But the only message I get is:
> > 
> > [    6.086407] bq27xxx-battery 1-0055: data memory update not
> > supported for chip
> > 
> > A little research shows that this message comes from
> > 
> >  http://elixir.free-electrons.com/linux/v4.13-rc7/source/drivers/po
> > wer/supply/bq27xxx_battery.c#L1279 <http://elixir.free-electrons.co
> > m/linux/v4.13-
> > rc7/source/drivers/power/supply/bq27xxx_battery.c#L1279>
> > 
> > So di->dm_regs is NULL.
> > 
> > But doing an fgrep for dm_regs shows no line of code where the
> > pointer is set to a non-null value:
> > 
> > master hns$ fgrep -R dm_regs *
> > drivers/power/supply/bq27xxx_battery.c: .class = (di)-
> > >dm_regs[i].subclass_id, \
> > drivers/power/supply/bq27xxx_battery.c: .block = (di)-
> > >dm_regs[i].offset / BQ27XXX_DM_SZ, \
> > drivers/power/supply/bq27xxx_battery.c: struct bq27xxx_dm_reg *reg
> > = &di->dm_regs[reg_id];
> > drivers/power/supply/bq27xxx_battery.c: if (!di->dm_regs) {
> > drivers/power/supply/bq27xxx_battery.c: max = di-
> > >dm_regs[BQ27XXX_DM_DESIGN_ENERGY].max;
> > drivers/power/supply/bq27xxx_battery.c: max = di-
> > >dm_regs[BQ27XXX_DM_DESIGN_CAPACITY].max;
> > drivers/power/supply/bq27xxx_battery.c: min = di-
> > >dm_regs[BQ27XXX_DM_TERMINATE_VOLTAGE].min;
> > drivers/power/supply/bq27xxx_battery.c: max = di-
> > >dm_regs[BQ27XXX_DM_TERMINATE_VOLTAGE].max;
> > Binary file drivers/power/supply/bq27xxx_battery.ko matches
> > Binary file drivers/power/supply/bq27xxx_battery.o matches
> > Binary file drivers/power/supply/bq27xxx_battery_i2c.ko matches
> > Binary file drivers/power/supply/bq27xxx_battery_i2c.o matches
> > include/linux/power/bq27xxx_battery.h: struct bq27xxx_dm_reg
> > *dm_regs;
> > master hns$ 
> > 
> > What am I doing wrong here?
> > 
> > BR and thanks,
> > Nikolaus
> > 
> > 
> > Kernel mailing list
> > Kernel at pyra-handheld.com
> > http://pyra-handheld.com/cgi-bin/mailman/listinfo/kernel <http://py
> > ra-handheld.com/cgi-bin/mailman/listinfo/kernel>
> > 
> > -- 
> > Sent from my Android device with K-9 Mail. Please excuse my
> > brevity.
> 
> 
-- 
Mit freundlichen Grüßen,

Michael Mrozek

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