RE: [RESEND PATCH v11 1/4] gadget: Introduce the usb charger framework

[Jun Li]

Hi

> -----Original Message-----
> From: linux-usb-owner@xxxxxxxxxxxxxxx [mailto:linux-usb-
> owner@xxxxxxxxxxxxxxx] On Behalf Of Baolin Wang
> Sent: Monday, June 13, 2016 4:47 PM
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> Subject: [RESEND PATCH v11 1/4] gadget: Introduce the usb charger
> framework
> 
> This patch introduces the usb charger driver based on usb gadget that
> makes an enhancement to a power driver. It works well in practice but that
> requires a system with suitable hardware.
> 
> The basic conception of the usb charger is that, when one usb charger is
> added or removed by reporting from the usb gadget state change or the
> extcon device state change, the usb charger will report to power user to
> set the current limitation.
> 
> The usb charger will register notifiees on the usb gadget or the extcon
> device to get notified the usb charger state. It also supplies the
> notification mechanism to userspace When the usb charger state is changed.
> 
> Power user will register a notifiee on the usb charger to get notified by
> status changes from the usb charger. It will report to power user to set
> the current limitation when detecting the usb charger is added or removed
> from extcon device state or usb gadget state.
> 
> This patch doesn't yet integrate with the gadget code, so some functions
> which rely on the 'gadget' are not completed, that will be implemented in
> the following patches.
> 
> Signed-off-by: Baolin Wang <baolin.wang@xxxxxxxxxx>

Reviewed-by: Li Jun <jun.li@xxxxxxx>
Tested-by: Li Jun <jun.li@xxxxxxx>

> ---
>  drivers/usb/gadget/Kconfig       |    7 +
>  drivers/usb/gadget/udc/Makefile  |    1 +
>  drivers/usb/gadget/udc/charger.c |  770
> ++++++++++++++++++++++++++++++++++++++
>  include/linux/usb/charger.h      |  191 ++++++++++
>  include/uapi/linux/usb/charger.h |   31 ++
>  5 files changed, 1000 insertions(+)
>  create mode 100644 drivers/usb/gadget/udc/charger.c  create mode 100644
> include/linux/usb/charger.h  create mode 100644
> include/uapi/linux/usb/charger.h