diff options
| author | Baolin Wang <baolin.wang@linaro.org> | 2017-01-03 13:50:54 +0800 |
|---|---|---|
| committer | Chanwoo Choi <cw00.choi@samsung.com> | 2017-01-09 10:04:12 +0900 |
| commit | 62a37443e93bbae74410cb72aa9d7e15a1da0b98 (patch) | |
| tree | 2fe78bfcbca28b4f0739cf0842669a944abd3900 | |
| parent | bcb7440e76a96c8a244bd683142a38f7d5cecb93 (diff) | |
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>
| -rw-r--r-- | include/linux/extcon.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/extcon.h b/include/linux/extcon.h index d57e52443841..242157cad25d 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. + * + * 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 */ |