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staging: comedi: ni_660x: tidy up set_tio_counterswap() 

Clean up the multi-line comment and tidy the function a bit.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
H Hartley Sweeten 2013-12-19 16:32:08 -07:00 committed by Greg Kroah-Hartman
parent d783a20e8f
commit 01b6442b46
1 changed files with 12 additions and 9 deletions
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21
drivers/staging/comedi/drivers/ni_660x.c
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@ -767,17 +767,20 @@ static int ni_660x_cancel(struct comedi_device *dev, struct comedi_subdevice *s)
return retval;
}
static void set_tio_counterswap(struct comedi_device *dev, int chipset)
static void set_tio_counterswap(struct comedi_device *dev, int chip)
{
/* See P. 3.5 of the Register-Level Programming manual. The
CounterSwap bit has to be set on the second chip, otherwise
it will try to use the same pins as the first chip.
unsigned bits = 0;
/*
* See P. 3.5 of the Register-Level Programming manual.
* The CounterSwap bit has to be set on the second chip,
* otherwise it will try to use the same pins as the
* first chip.
*/
if (chipset)
ni_660x_write_register(dev, chipset, CounterSwap,
NI660X_CLK_CFG);
else
ni_660x_write_register(dev, chipset, 0, NI660X_CLK_CFG);
if (chip)
bits = CounterSwap;
ni_660x_write_register(dev, chip, bits, NI660X_CLK_CFG);
}
static void ni_660x_handle_gpct_interrupt(struct comedi_device *dev,