diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/staging/comedi/drivers/amplc_pci230.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/staging/comedi/drivers/amplc_pci230.c b/drivers/staging/comedi/drivers/amplc_pci230.c index 9c360307f699..48c7890c3007 100644 --- a/drivers/staging/comedi/drivers/amplc_pci230.c +++ b/drivers/staging/comedi/drivers/amplc_pci230.c @@ -376,8 +376,11 @@ #define CLK_1KHZ 5 /* internal 1 kHz clock */ #define CLK_OUTNM1 6 /* output of channel-1 modulo total */ #define CLK_EXT 7 /* external clock */ -/* Macro to construct clock input configuration register value. */ -#define CLK_CONFIG(chan, src) ((((chan) & 3) << 3) | ((src) & 7)) + +static unsigned int pci230_clk_config(unsigned int chan, unsigned int src) +{ + return ((chan & 3) << 3) | (src & 7); +} /* * Counter/timer gate input configuration sources. @@ -697,7 +700,7 @@ static void pci230_ct_setup_ns_mode(struct comedi_device *dev, unsigned int ct, /* Determine clock source and count. */ clk_src = pci230_choose_clk_count(ns, &count, flags); /* Program clock source. */ - outb(CLK_CONFIG(ct, clk_src), dev->iobase + PCI230_ZCLK_SCE); + outb(pci230_clk_config(ct, clk_src), dev->iobase + PCI230_ZCLK_SCE); /* Set initial count. */ if (count >= 65536) count = 0; |