diff options
| author |   NeilBrown <neil@brown.name> | 2015-07-30 10:11:24 +1000 |
|---|---|---|
| committer |   Sebastian Reichel <sre@kernel.org> | 2015-08-05 05:19:44 +0200 |
| commit | aca3c3546396b305fff79f09883cff48a908aac0 (patch) | |
| tree | 802519e100fd760e7e6462fc39611664f9cfc2b6 /Documentation/ABI | |
| parent | twl4030_charger: distinguish between USB current and 'AC' current (diff) | |
| download | wireguard-linux-aca3c3546396b305fff79f09883cff48a908aac0.tar.xz wireguard-linux-aca3c3546396b305fff79f09883cff48a908aac0.zip | |
twl4030_charger: allow max_current to be managed via sysfs.
'max_current' sysfs attributes are created which allow the
max to be set.
Whenever a current source changes, the default is restored.
This will be followed by a uevent, so user-space can decide to
update again.
Acked-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: NeilBrown <neil@brown.name>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
Diffstat (limited to 'Documentation/ABI')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-class-power-twl4030 | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-class-power-twl4030 b/Documentation/ABI/testing/sysfs-class-power-twl4030 new file mode 100644 index 000000000000..0331bba4605d --- /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 may + be drawn from the ac (Accessory Charger) or + USB port. + + Value is in micro-Amps. + + Value is set automatically to an appropriate + value when a cable is plugged or unplugged. + + 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. |