Hi > -----Original Message----- > From: [email protected] [mailto:linux-usb- > [email protected]] On Behalf Of Baolin Wang > Sent: Monday, June 13, 2016 4:47 PM > To: [email protected]; [email protected]; [email protected]; > [email protected]; [email protected] > Cc: [email protected]; [email protected]; [email protected]; > [email protected]; [email protected]; [email protected]; > [email protected]; [email protected]; [email protected]; > [email protected]; [email protected]; > [email protected]; [email protected]; linux- > [email protected]; [email protected]; linux- > [email protected] > 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 <[email protected]>
Reviewed-by: Li Jun <[email protected]> Tested-by: Li Jun <[email protected]> > --- > 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
