diff options
Diffstat (limited to 'kernel/drivers/staging/comedi/drivers/adv_pci1724.c')
| -rw-r--r-- | kernel/drivers/staging/comedi/drivers/adv_pci1724.c | 21 |
1 files changed, 9 insertions, 12 deletions
diff --git a/kernel/drivers/staging/comedi/drivers/adv_pci1724.c b/kernel/drivers/staging/comedi/drivers/adv_pci1724.c index f7a7dab01..bf6a8f101 100644 --- a/kernel/drivers/staging/comedi/drivers/adv_pci1724.c +++ b/kernel/drivers/staging/comedi/drivers/adv_pci1724.c @@ -54,16 +54,17 @@ * PCI bar 2 Register I/O map (dev->iobase) */ #define PCI1724_DAC_CTRL_REG 0x00 -#define PCI1724_DAC_CTRL_GX(x) (1 << (20 + ((x) / 8))) +#define PCI1724_DAC_CTRL_GX(x) BIT(20 + ((x) / 8)) #define PCI1724_DAC_CTRL_CX(x) (((x) % 8) << 16) -#define PCI1724_DAC_CTRL_MODE_GAIN (1 << 14) -#define PCI1724_DAC_CTRL_MODE_OFFSET (2 << 14) -#define PCI1724_DAC_CTRL_MODE_NORMAL (3 << 14) -#define PCI1724_DAC_CTRL_MODE_MASK (3 << 14) +#define PCI1724_DAC_CTRL_MODE(x) (((x) & 0x3) << 14) +#define PCI1724_DAC_CTRL_MODE_GAIN PCI1724_DAC_CTRL_MODE(1) +#define PCI1724_DAC_CTRL_MODE_OFFSET PCI1724_DAC_CTRL_MODE(2) +#define PCI1724_DAC_CTRL_MODE_NORMAL PCI1724_DAC_CTRL_MODE(3) +#define PCI1724_DAC_CTRL_MODE_MASK PCI1724_DAC_CTRL_MODE(3) #define PCI1724_DAC_CTRL_DATA(x) (((x) & 0x3fff) << 0) #define PCI1724_SYNC_CTRL_REG 0x04 -#define PCI1724_SYNC_CTRL_DACSTAT (1 << 1) -#define PCI1724_SYNC_CTRL_SYN (1 << 0) +#define PCI1724_SYNC_CTRL_DACSTAT BIT(1) +#define PCI1724_SYNC_CTRL_SYN BIT(0) #define PCI1724_EEPROM_CTRL_REG 0x08 #define PCI1724_SYNC_TRIG_REG 0x0c /* any value works */ #define PCI1724_BOARD_ID_REG 0x10 @@ -180,11 +181,7 @@ static int adv_pci1724_auto_attach(struct comedi_device *dev, s->insn_write = adv_pci1724_insn_write; s->private = (void *)PCI1724_DAC_CTRL_MODE_GAIN; - ret = comedi_alloc_subdev_readback(s); - if (ret) - return ret; - - return 0; + return comedi_alloc_subdev_readback(s); } static struct comedi_driver adv_pci1724_driver = { |