> -----Original Message----- > From: Mark Brown [mailto:broo...@opensource.wolfsonmicro.com] > Sent: Monday, September 19, 2011 3:56 PM > To: Ashish Jangam > Subject: Re: LKML - Battery charge current issue > > On Mon, Sep 19, 2011 at 06:26:10AM +0000, Ashish Jangam wrote: > > Questions like this should always be CCed to the list. > > > Some Power Management Controllers has a feature of configuring battery > > charge current for faster battery charging. > > > In the Linux power supply core there is no provision that can help the user > > for configuring battery charge current at "runtime". In current Linux > implementation > > this is done in battery "probe" probably using platform data. > > > Should an additional entry in sysfs be added for configuring battery charge > current > > since most of our clients desire such feature? > > This depends what you're looking to do. The specific currents used > should be configured using platform data, if the user gets these wrong > they can result in physical damage to the system so it's generally > undesirable to have userspace poking at them. The switch from trickle > to fast charge is normally managed automatically, often by hardware. > If there's absolutely no way to figure this out from kernel I guess a > userspace control would be OK but it'd be pretty surprising.
Hardware that don't support/have automatic upgrade then, quick battery charge feature will be of no use to end user and especially in smart phone this could be problematic. If sysfs is not a good way of doing this then some alternate mechanism will be very much appreciated. _______________________________________________ linaro-dev mailing list linaro-dev@lists.linaro.org http://lists.linaro.org/mailman/listinfo/linaro-dev
