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SubjectRe: [PATCH V4] drivers/rtc/rtc-palmas.c: support for backup battery charging
On Thursday 08 August 2013 03:03 PM, Mark Rutland wrote:
> On Wed, Aug 07, 2013 at 07:46:11PM +0100, Laxman Dewangan wrote:
>>> What happens if we charge at the wrong current?
>> Not much sure but I think it can create battery damage.
> If we charge a battery supporting >100mA at a current <100mA, will that
> cause damage? Or only if we charge above it's supported current?

Over-current charging can only damage. Lower charging current will not
damage, just will take more time to charge.

>
> If the latter's true, it might make sense to invert the condition and
> describe that the battery may be charged at a higher current, with the
> default being <100mA. That way a missing property in the dt will only
> result in sub-optimal charging rather than battery damage.
>
Ok, fine with this. In this case property will be
"ti,backup-battery-charge-high-current".




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