Messages in this thread | | | Date | Mon, 28 Mar 2016 14:51:40 +0800 | Subject | Re: [PATCH v8 0/4] Introduce usb charger framework to deal with the usb gadget power negotation | From | Baolin Wang <> |
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On 25 March 2016 at 15:09, Peter Chen <hzpeterchen@gmail.com> wrote: > On Thu, Mar 24, 2016 at 08:35:53PM +0800, Baolin Wang wrote: >> Currently the Linux kernel does not provide any standard integration of this >> feature that integrates the USB subsystem with the system power regulation >> provided by PMICs meaning that either vendors must add this in their kernels >> or USB gadget devices based on Linux (such as mobile phones) may not behave >> as they should. Thus provide a standard framework for doing this in kernel. >> >> Now introduce one user with wm831x_power to support and test the usb charger, >> which is pending testing. Moreover there may be other potential users will use >> it in future. >> > > I am afraid I still not find the user (udc driver) for this framework, I would > like to see how udc driver block the enumeration until the charger detection > has finished, or am I missing something?
It is not for udc driver but for power users who want to negotiate with USB subsystem.
> > -- > Best Regards, > Peter Chen
-- Baolin.wang Best Regards
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