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Commit 01b6442b authored by H Hartley Sweeten's avatar H Hartley Sweeten Committed by Greg Kroah-Hartman
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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: default avatarH Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: default avatarIan Abbott <abbotti@mev.co.uk>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent d783a20e

drivers/staging/comedi/drivers/ni_660x.c

+12 −9
Original line number Diff line number Diff line
@@ -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,