On 6/4/11 10:47 AM, Sven Schnelle wrote:
could be used for various things if the OS doesn't provide
ACPI support, or has ACPI disabled. The current patch only
uses this to enable operation of the backlight hotkeys.
As the Thinkpad EC doesn't support EC_QUERY on ports 0x1600/0x1604
and there are no event queue registers in the EC register space,
we're using 0x62/0x66 as EC I/O ports as long as ACPI is disabled.
Signed-off-by: Sven Schnelle<[email protected]>
Acked-by: Stefan Reinauer <[email protected]>
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