Adding upstream version 6.1.76.upstream/6.1.76

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 25 insertions, 0 deletions

diff --git a/drivers/platform/x86/dell/dell-wmi-descriptor.h b/drivers/platform/x86/dell/dell-wmi-descriptor.h
new file mode 100644
index 000000000..1f469fef1
--- /dev/null
+++ b/drivers/platform/x86/dell/dell-wmi-descriptor.h
@@ -0,0 +1,25 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ *  Dell WMI descriptor driver
+ *
+ *  Copyright (c) 2017 Dell Inc.
+ */
+
+#ifndef _DELL_WMI_DESCRIPTOR_H_
+#define _DELL_WMI_DESCRIPTOR_H_
+
+#include <linux/wmi.h>
+
+/* possible return values:
+ *  -ENODEV: Descriptor GUID missing from WMI bus
+ *  -EPROBE_DEFER: probing for dell-wmi-descriptor not yet run
+ *  0: valid descriptor, successfully probed
+ *  < 0: invalid descriptor, don't probe dependent devices
+ */
+int dell_wmi_get_descriptor_valid(void);
+
+bool dell_wmi_get_interface_version(u32 *version);
+bool dell_wmi_get_size(u32 *size);
+bool dell_wmi_get_hotfix(u32 *hotfix);
+
+#endif