mirror of
https://github.com/torvalds/linux.git
synced 2024-12-04 18:13:04 +00:00
17 lines
572 B
Plaintext
17 lines
572 B
Plaintext
|
What: /sys/kernel/debug/olpc-ec/cmd
|
||
|
|
Date: Dec 2011
|
||
|
|
KernelVersion: 3.4
|
||
|
|
Contact: devel@lists.laptop.org
|
||
|
|
Description:
|
||
|
|
|
||
|
|
A generic interface for executing OLPC Embedded Controller commands and
|
||
|
|
reading their responses.
|
||
|
|
|
||
|
|
To execute a command, write data with the format: CC:N A A A A
|
||
|
|
CC is the (hex) command, N is the count of expected reply bytes, and A A A A
|
||
|
|
are optional (hex) arguments.
|
||
|
|
|
||
|
|
To read the response (if any), read from the generic node after executing
|
||
|
|
a command. Hex reply bytes will be returned, *whether or not* they came from
|
||
|
|
the immediately previous command.
|