> -----Original Message----- > From: Felipe Balbi [mailto:[email protected]] > Sent: Wednesday, November 09, 2011 1:50 PM > To: Ashish Jangam > Cc: [email protected]; [email protected]; > [email protected]; [email protected]; Mark Brown > Subject: Re: Adding USB charge current property in the Linux Battery core > > Hi, > > On Wed, Nov 09, 2011 at 01:43:37PM +0530, ashishj3 wrote: > > For a better performance in USB charging operation, the DA9052/53 > charging > > current can be configured in accordance with the USB host current > > delivering capacity (known through USB drivers negotiation). > > > > To implement this useful feature, a new writable property "USB charge > current" > > needs to be added in the Linux battery core. > > > > Let me know your views on it. > > that's the wrong way to do it. What we need is to use the transceiver > notifications to notify every time someone calls usb_gadget_vbus_draw() > and pass the mA parameter as argument to the event notification. >
This means that we need to modify the function usb_gadget_vbus_draw() to add a call like blocking_notifier_call_chain() but will this be fine with the usb gadget driver maintainers? > Charger driver should 'subscribe' to transceiver notifications and > use the mA argument to reconfigure charging. > > -- > balbi _______________________________________________ linaro-dev mailing list [email protected] http://lists.linaro.org/mailman/listinfo/linaro-dev
