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-rw-r--r--include/acpi/acpi_bus.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h
index 80155fd..c3bc451 100644
--- a/include/acpi/acpi_bus.h
+++ b/include/acpi/acpi_bus.h
@@ -201,6 +201,7 @@ struct acpi_device_power_flags {
struct acpi_device_power_state {
struct {
u8 valid:1;
+ u8 os_accessible:1;
u8 explicit_set:1; /* _PSx present? */
u8 reserved:6;
} flags;
@@ -500,6 +501,11 @@ static inline bool acpi_device_can_wakeup(struct acpi_device *adev)
return adev->wakeup.flags.valid;
}
+static inline bool acpi_device_can_poweroff(struct acpi_device *adev)
+{
+ return adev->power.states[ACPI_STATE_D3_COLD].flags.os_accessible;
+}
+
#else /* CONFIG_ACPI */
static inline int register_acpi_bus_type(void *bus) { return 0; }
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