On Tue, Jan 14, 2020 at 05:38:58PM +0800, Peter Chen wrote: > When the USB charger is inserted or removed, the users could get > USB charger state and type through the uevent. > > Signed-off-by: Peter Chen <peter.chen@xxxxxxx> > --- > Changes for v3: > - Change kernel version for 5.6, and delete the kernel printk time > > Documentation/ABI/testing/usb-charger-uevent | 45 ++++++++++++++++++++ > 1 file changed, 45 insertions(+) > create mode 100644 Documentation/ABI/testing/usb-charger-uevent > > diff --git a/Documentation/ABI/testing/usb-charger-uevent b/Documentation/ABI/testing/usb-charger-uevent > new file mode 100644 > index 000000000000..94ab16768e49 > --- /dev/null > +++ b/Documentation/ABI/testing/usb-charger-uevent > @@ -0,0 +1,45 @@ > +What: Raise a uevent when a USB charger is inserted or removed > +Date: 2020-01-14 > +KernelVersion: 5.6 > +Contact: linux-usb@xxxxxxxxxxxxxxx > +Description: There are two USB charger states: > + USB_CHARGER_ABSENT > + USB_CHARGER_PRESENT > + There are five USB charger types: > + USB_CHARGER_UNKNOWN_TYPE > + USB_CHARGER_SDP_TYPE > + USB_CHARGER_CDP_TYPE > + USB_CHARGER_DCP_TYPE > + USB_CHARGER_ACA_TYPE Any explaination for what these different types really are? What is a "CDP"? "ACA"? where would one find that information out? thanks, greg k-h
