PCI1723_CTRL_SEL   55 drivers/staging/comedi/drivers/adv_pci1723.c #define PCI1723_CTRL_GAIN		PCI1723_CTRL_SEL(0)
PCI1723_CTRL_SEL   56 drivers/staging/comedi/drivers/adv_pci1723.c #define PCI1723_CTRL_OFFSET		PCI1723_CTRL_SEL(1)