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