mirror of
https://github.com/edk2-porting/linux-next.git
synced 2025-01-06 12:44:14 +08:00
22d4c33f73
'off' or 'auto' to /sys/class/power/twl4030_usb/mode will now enable or disable charging from USB port. Normally this is enabled on 'plug' and disabled on 'unplug'. Unplug will still disable charging. 'plug' will only enable it if 'auto' if selected. Acked-by: Pavel Machek <pavel@ucw.cz> Signed-off-by: NeilBrown <neil@brown.name> Signed-off-by: Sebastian Reichel <sre@kernel.org>
27 lines
750 B
Plaintext
27 lines
750 B
Plaintext
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.
|
|
|
|
|
|
What: /sys/class/power_supply/twl4030_usb/mode
|
|
Description:
|
|
Changing mode for USB port.
|
|
Writing to this can disable charging.
|
|
|
|
Possible values are:
|
|
"auto" - draw power as appropriate for detected
|
|
power source and battery status.
|
|
"off" - do not draw any power.
|