companion core
It was noticed in the kernel source for tegra3 by someone on irc the other day that the companion core can be accessed from userland
root@android:/sys/kernel/cluster # pwd
/sys/kernel/cluster
root@android:/sys/kernel/cluster # cat *
LP
0
0
2
0
the 2 in the above output is LP2 power mode, the LP is low power and when the screen turns on it turns to G status, meaning geared performance or something like that ...
Thought id add it for completeness as post 1 mentioned its not accessible or visible
Cass
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