Messages in this thread | | | Date | Fri, 06 Jan 2017 17:55:19 +0900 | From | Chanwoo Choi <> | Subject | Re: [PATCH] extcon: Add documentation for EXTCON_CHG_USB_SLOW/FAST |
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On 2017년 01월 03일 14:50, Baolin Wang wrote: > Currently there are no documentation for EXTCON_CHG_USB_SLOW/FAST > charger connector. These names don't mean much and no guide to tell > users how to use it, thus try to add documentation to make them clear. > > Suggested-by: NeilBrown <neilb@suse.com> > Signed-off-by: Baolin Wang <baolin.wang@linaro.org> > --- > include/linux/extcon.h | 4 ++++ > 1 file changed, 4 insertions(+) > > diff --git a/include/linux/extcon.h b/include/linux/extcon.h > index 0020123..ceec1f0 100644 > --- a/include/linux/extcon.h > +++ b/include/linux/extcon.h > @@ -53,6 +53,10 @@ > * the USB connector, which means EXTCON_CHG_USB_SDP should always > * appear together with EXTCON_USB. The same as ACA charger connector, > * EXTCON_CHG_USB_ACA would normally appear with EXTCON_USB_HOST. > + * > + * A cable of type EXTCON_CHG_USB_SLOW can provide at least 500mA of > + * current at 5V. A cable of type EXTCON_CHG_USB_FAST can provide at > + * least 1A of current at 5V.
When I applied this patch, I use the 'connector expression' instead of 'cable'.
> */ > #define EXTCON_CHG_USB_SDP 5 /* Standard Downstream Port */ > #define EXTCON_CHG_USB_DCP 6 /* Dedicated Charging Port */ >
Applied it. Thanks.
-- Best Regards, Chanwoo Choi S/W Center, Samsung Electronics
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