Re: [PATCH v3 2/2] Doc: ABI: add usb charger uevent

[Peter Chen <peter.chen@nxp.com>]

On 20-01-14 10:48:13, Greg KH wrote:
> 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@nxp.com>
> > ---
> > 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@vger.kernel.org
> > +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?

I will add explanation for it, thanks.

-- 

Thanks,
Peter Chen