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ACPI: Add D3 cold state

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_SxW returns an Integer containing the lowest D-state supported in state
Sx. If OSPM has not indicated that it supports _PR3, then the value “3”
corresponds to D3.  If it has indicated _PR3 support, the value “3”
represents D3hot and the value “4” represents D3cold.

Linux does set _OSC._PR3, so we should fix it to expect that _SxW can
return 4.

Signed-off-by: Lin Ming <[email protected]>
Acked-by: Jesse Barnes <[email protected]>
Signed-off-by: Len Brown <[email protected]>
This commit is contained in:
Lin Ming 2011-05-04 22:56:43 +08:00 • committed by Len Brown
commit 28c2103dad
3 changed files with 6 additions and 3 deletions
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5
include/acpi/actypes.h
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@ -501,8 +501,9 @@ typedef u64 acpi_integer;
#define ACPI_STATE_D1 (u8) 1
#define ACPI_STATE_D2 (u8) 2
#define ACPI_STATE_D3 (u8) 3
#define ACPI_D_STATES_MAX ACPI_STATE_D3
#define ACPI_D_STATE_COUNT 4
#define ACPI_STATE_D3_COLD (u8) 4
#define ACPI_D_STATES_MAX ACPI_STATE_D3_COLD
#define ACPI_D_STATE_COUNT 5
#define ACPI_STATE_C0 (u8) 0
#define ACPI_STATE_C1 (u8) 1