diff options
Diffstat (limited to 'include/linux/wmi.h')
| -rw-r--r-- | include/linux/wmi.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/include/linux/wmi.h b/include/linux/wmi.h index 763bd382cf2d..8a643c39fcce 100644 --- a/include/linux/wmi.h +++ b/include/linux/wmi.h @@ -27,6 +27,14 @@ struct wmi_device { bool setable; }; +/** + * to_wmi_device() - Helper macro to cast a device to a wmi_device + * @device: device struct + * + * Cast a struct device to a struct wmi_device. + */ +#define to_wmi_device(device) container_of(device, struct wmi_device, dev) + extern acpi_status wmidev_evaluate_method(struct wmi_device *wdev, u8 instance, u32 method_id, const struct acpi_buffer *in, @@ -35,6 +43,8 @@ extern acpi_status wmidev_evaluate_method(struct wmi_device *wdev, extern union acpi_object *wmidev_block_query(struct wmi_device *wdev, u8 instance); +acpi_status wmidev_block_set(struct wmi_device *wdev, u8 instance, const struct acpi_buffer *in); + u8 wmidev_instance_count(struct wmi_device *wdev); extern int set_required_buffer_size(struct wmi_device *wdev, u64 length); |