how the Kernel know the status of battery when it is charging

[carchangel]

hello every one
I want to know which source file is responsible for the
battery-charging status in kernel,
can anyone know ,thanks.

[Sachin Nikam]

cd kernel/drivers/power/

See which battery charger/status reporting chip you are using the name of the file would be <chipname>_charger.c

Thanks,

Sachin Nikam.

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Cheers,
Sachin.

[carchangel]

thanks your answer
I did not find any <chipname>_charger.c file respond for my chip
under kernel/drivers/power/ .
but I found <chipname>_bat.c in /drivers/misc/, and it is build into
binary file. In this file the method get_property() which is in struct
"power_supply"
is used to get the battery status. may this is the file I want.

Best wish to you

carchangel

On 1月18日, 午後1:42, Sachin Nikam <sachini...@gmail.com> wrote:
> cd kernel/drivers/power/
>
> See which battery charger/status reporting chip you are using the name of
> the file would be <chipname>_charger.c
>
> Thanks,
> Sachin Nikam.
>

[venkatesh yadav]

u can check  sys/class/power_supply/battery---> for the status like soc,vcell,temp etc

 

the battery charger (chipname_charger) could be in drivers/power/ or it can be in drivers/misc or it can be in drivers/properitory/

 

but actual core file would be drivers/power/power_supply_core.c power_supply_sysfs.c 

 

 

Thanks

Venkatesh

regards
yadav