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- 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.
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