Commit 62a37443 authored by Baolin Wang's avatar Baolin Wang Committed by Chanwoo Choi

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: default avatarNeilBrown <neilb@suse.com>
Signed-off-by: default avatarBaolin Wang <baolin.wang@linaro.org>
[cw00.choi: Use the 'connector' expression instead of 'cable']
Signed-off-by: default avatarChanwoo Choi <cw00.choi@samsung.com>
parent bcb7440e
...@@ -53,6 +53,10 @@ ...@@ -53,6 +53,10 @@
* the USB connector, which means EXTCON_CHG_USB_SDP should always * the USB connector, which means EXTCON_CHG_USB_SDP should always
* appear together with EXTCON_USB. The same as ACA charger connector, * appear together with EXTCON_USB. The same as ACA charger connector,
* EXTCON_CHG_USB_ACA would normally appear with EXTCON_USB_HOST. * 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_SDP 5 /* Standard Downstream Port */
#define EXTCON_CHG_USB_DCP 6 /* Dedicated Charging Port */ #define EXTCON_CHG_USB_DCP 6 /* Dedicated Charging Port */
......
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