diff options
| author | Michal Marek <mmarek@suse.cz> | 2010-10-28 00:15:57 +0200 |
|---|---|---|
| committer | Michal Marek <mmarek@suse.cz> | 2010-10-28 00:15:57 +0200 |
| commit | b74b953b998bcc2db91b694446f3a2619ec32de6 (patch) | |
| tree | 6ce24caabd730f6ae9287ed0676ec32e6ff31e9d /Documentation/ABI/testing/debugfs-ec | |
| parent | abb438526201c6a79949ad45375c051b6681c253 (diff) | |
| parent | f6f94e2ab1b33f0082ac22d71f66385a60d8157f (diff) | |
Merge commit 'v2.6.36' into kbuild/misc
Update to be able to fix a recent change to scripts/basic/docproc.c
(commit eda603f).
Diffstat (limited to 'Documentation/ABI/testing/debugfs-ec')
| -rw-r--r-- | Documentation/ABI/testing/debugfs-ec | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/debugfs-ec b/Documentation/ABI/testing/debugfs-ec new file mode 100644 index 00000000000..6546115a94d --- /dev/null +++ b/Documentation/ABI/testing/debugfs-ec @@ -0,0 +1,20 @@ +What: /sys/kernel/debug/ec/*/{gpe,use_global_lock,io} +Date: July 2010 +Contact: Thomas Renninger <trenn@suse.de> +Description: + +General information like which GPE is assigned to the EC and whether +the global lock should get used. +Knowing the EC GPE one can watch the amount of HW events related to +the EC here (XY -> GPE number from /sys/kernel/debug/ec/*/gpe): +/sys/firmware/acpi/interrupts/gpeXY + +The io file is binary and a userspace tool located here: +ftp://ftp.suse.com/pub/people/trenn/sources/ec/ +should get used to read out the 256 Embedded Controller registers +or writing to them. + +CAUTION: Do not write to the Embedded Controller if you don't know +what you are doing! Rebooting afterwards also is a good idea. +This can influence the way your machine is cooled and fans may +not get switched on again after you did a wrong write. |