diff options
Diffstat (limited to 'Documentation/ABI/testing/sysfs-driver-samsung-laptop')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-driver-samsung-laptop | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/Documentation/ABI/testing/sysfs-driver-samsung-laptop b/Documentation/ABI/testing/sysfs-driver-samsung-laptop index 0a810231aad4..678819a3f8bf 100644 --- a/Documentation/ABI/testing/sysfs-driver-samsung-laptop +++ b/Documentation/ABI/testing/sysfs-driver-samsung-laptop @@ -1,7 +1,7 @@ What: /sys/devices/platform/samsung/performance_level Date: January 1, 2010 KernelVersion: 2.6.33 -Contact: Greg Kroah-Hartman <gregkh@suse.de> +Contact: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Description: Some Samsung laptops have different "performance levels" that are can be modified by a function key, and by this sysfs file. These values don't always make a whole lot @@ -17,3 +17,21 @@ Description: Some Samsung laptops have different "performance levels" Specifically, not all support the "overclock" option, and it's still unknown if this value even changes anything, other than making the user feel a bit better. + +What: /sys/devices/platform/samsung/battery_life_extender +Date: December 1, 2011 +KernelVersion: 3.3 +Contact: Corentin Chary <corentin.chary@gmail.com> +Description: Max battery charge level can be modified, battery cycle + life can be extended by reducing the max battery charge + level. + 0 means normal battery mode (100% charge) + 1 means battery life extender mode (80% charge) + +What: /sys/devices/platform/samsung/usb_charge +Date: December 1, 2011 +KernelVersion: 3.3 +Contact: Corentin Chary <corentin.chary@gmail.com> +Description: Use your USB ports to charge devices, even + when your laptop is powered off. + 1 means enabled, 0 means disabled. |