VID_C_INT_MSTAT   268 drivers/media/pci/cx23885/cx23885-reg.h #define VID_C_INT_MSTAT	0x00040048
VID_C_INT_MSTAT    97 drivers/media/pci/cx25821/cx25821-reg.h #define  VID_C_INT_MSTAT           0x040048	/* Video C interrupt masked status */