From: NeilBrown <neilb@xxxxxxx>one less which ^^
diff --git a/Documentation/ABI/testing/sysfs-class-power-twl4030
b/Documentation/ABI/testing/sysfs-class-power-twl4030
new file mode 100644
index 000000000000..06092209d851
--- /dev/null
+++ b/Documentation/ABI/testing/sysfs-class-power-twl4030
@@ -0,0 +1,15 @@
+What: /sys/class/power_supply/twl4030_ac/max_current
+ /sys/class/power_supply/twl4030_usb/max_current
+Description:
+ Read/Write limit on current which which may
+ be drawn from the ac (Accessory Charger) ors/on/or ^^
+ USB port.
+
+ Value is in micro-Amps.
+
+ Value is set automatically to an appropriate
+ value when a cable is plugged on unplugged.
+^^ be set?
+ Value can the set by writing to the attribute.
+ The change will only persist until the next
+ plug event. These event are reported via udev.