platform/x86: wmi: Add a new interface to read block data

[linux.git] / include / linux / wmi.h

diff --git a/include/linux/wmi.h b/include/linux/wmi.h
index c6eedfd94e7d45756ac31ef91b50403ce0435701..0ab25401948820d73830ac88ab1e02c86948d5c1 100644 (file)
--- a/include/linux/wmi.h
+++ b/include/linux/wmi.h
@@ -29,6 +29,10 @@ struct wmi_device {
        bool readable, writeable;
 };
 
+/* Caller must kfree the result. */
+extern union acpi_object *wmidev_block_query(struct wmi_device *wdev,
+                                            u8 instance);
+
 struct wmi_device_id {
        const char *guid_string;
 };