diff options
Diffstat (limited to 'include/acpi/acpi_bus.h')
| -rw-r--r-- | include/acpi/acpi_bus.h | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h index ad0a5ff3d..14362a84c 100644 --- a/include/acpi/acpi_bus.h +++ b/include/acpi/acpi_bus.h @@ -87,6 +87,8 @@ acpi_evaluate_dsm_typed(acpi_handle handle, const u8 *uuid, int rev, int func, .package.elements = (eles) \ } +bool acpi_dev_present(const char *hid); + #ifdef CONFIG_ACPI #include <linux/proc_fs.h> @@ -631,7 +633,9 @@ static inline bool acpi_device_can_wakeup(struct acpi_device *adev) static inline bool acpi_device_can_poweroff(struct acpi_device *adev) { - return adev->power.states[ACPI_STATE_D3_COLD].flags.valid; + return adev->power.states[ACPI_STATE_D3_COLD].flags.valid || + ((acpi_gbl_FADT.header.revision < 6) && + adev->power.states[ACPI_STATE_D3_HOT].flags.explicit_set); } #else /* CONFIG_ACPI */ |