MSHW0040_DSM_GET_OMPR  407 drivers/input/misc/soc_button_array.c #define MSHW0040_DSM_GET_OMPR		0x02	// get OEM Platform Revision
MSHW0040_DSM_GET_OMPR   24 drivers/platform/x86/surfacepro3_button.c #define MSHW0040_DSM_GET_OMPR		0x02	// get OEM Platform Revision