Commit 62a37443 authored Jan 03, 2017 by Baolin Wang Committed by Chanwoo Choi Jan 09, 2017

extcon: Add documentation for EXTCON_CHG_USB_SLOW/FAST



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>
[cw00.choi: Use the 'connector' expression instead of 'cable']
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>

parent bcb7440e

include/linux/extcon.h

+4 −0

Original line number	Diff line number	Diff line
		@@ -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.
		*
		* The EXTCON_CHG_USB_SLOW connector can provide at least 500mA of
		* current at 5V. The EXTCON_CHG_USB_FAST connector can provide at
		* least 1A of current at 5V.
		*/
		#define EXTCON_CHG_USB_SDP 5 /* Standard Downstream Port */
		#define EXTCON_CHG_USB_DCP 6 /* Dedicated Charging Port */