Re: [PATCH v7 0/4] Introduce usb charger framework to deal with the usb gadget power negotation
From: Baolin Wang
Date: Wed Mar 16 2016 - 07:56:39 EST
On 16 March 2016 at 19:48, Felipe Balbi <balbi@xxxxxxxxxx> wrote:
>
> Hi Baolin,
>
> Baolin Wang <baolin.wang@xxxxxxxxxx> writes:
>> [ text/plain ]
>> 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.
>>
>> Changes since v5:
>> - Remove the notifier chain things from the gadget and introduce one callback
>> function to report to the usb charger when the gadget state is changed.
>> - Flesh out the port type detection which combines the USB negotiation and
>> PMICs detection.
>> - Supply the notification mechanism to userspace when charger state is changed.
>> - Integrate with the vbus staff in the gadget API.
>> - Spilt up the functionality for userspace with one file per USB charger type.
>> - Rebase on "4.5-rc4".
>>
>> Baolin Wang (4):
>> gadget: Introduce the usb charger framework
>> gadget: Support for the usb charger framework
>> gadget: Integrate with the usb gadget supporting for usb charger
>> power: wm831x_power: Support USB charger current limit management
>
> Thank you for resending this. I'll review it ASAP (probably tomorrow
> when I get to the office. If I have time, still today)
OK. Thanks:)
>
> --
> balbi
--
Baolin.wang
Best Regards