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/* * Dell WMI descriptor driver * * Copyright (c) 2017 Dell Inc. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */ #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 |