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16 lines
572 B
16 lines
572 B
What: /sys/kernel/debug/olpc-ec/cmd |
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Date: Dec 2011 |
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KernelVersion: 3.4 |
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Contact: [email protected] |
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Description: |
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A generic interface for executing OLPC Embedded Controller commands and |
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reading their responses. |
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To execute a command, write data with the format: CC:N A A A A |
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CC is the (hex) command, N is the count of expected reply bytes, and A A A A |
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are optional (hex) arguments. |
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To read the response (if any), read from the generic node after executing |
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a command. Hex reply bytes will be returned, *whether or not* they came from |
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the immediately previous command.
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