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| author | Takashi Iwai <tiwai@suse.de> | 2011-04-09 10:05:30 +0200 |
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| committer | Takashi Iwai <tiwai@suse.de> | 2011-04-09 10:05:30 +0200 |
| commit | 664cee46e755b37204f1731cb8726db610f3486d (patch) | |
| tree | 11ed0d43eff14123534785cf25c0a2143e134e7e /Documentation/ABI/testing/sysfs-driver-samsung-laptop | |
| parent | a0334c50bf0ba7c720ed00f931e721c989efd233 (diff) | |
| parent | 4e29402fe4b2006c994eed5020c42b2cc87d9b42 (diff) | |
| download | op-kernel-dev-664cee46e755b37204f1731cb8726db610f3486d.zip op-kernel-dev-664cee46e755b37204f1731cb8726db610f3486d.tar.gz | |
Merge branch 'fix/asoc' into for-linus
Diffstat (limited to 'Documentation/ABI/testing/sysfs-driver-samsung-laptop')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-driver-samsung-laptop | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-driver-samsung-laptop b/Documentation/ABI/testing/sysfs-driver-samsung-laptop new file mode 100644 index 0000000..0a81023 --- /dev/null +++ b/Documentation/ABI/testing/sysfs-driver-samsung-laptop @@ -0,0 +1,19 @@ +What: /sys/devices/platform/samsung/performance_level +Date: January 1, 2010 +KernelVersion: 2.6.33 +Contact: Greg Kroah-Hartman <gregkh@suse.de> +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 + of sense, but some users like to modify them to keep + their fans quiet at all costs. Reading from this file + will show the current performance level. Writing to the + file can change this value. + Valid options: + "silent" + "normal" + "overclock" + Note that not all laptops support all of these options. + 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. |
