Commit 766b1f95 authored by Ian Abbott's avatar Ian Abbott Committed by Greg Kroah-Hartman
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staging: comedi: dt282x: sample types are unsigned 



Sample values in comedi are generally represented as unsigned values.
Change various members of `struct dt282x_private` and various parameters
and variables dealing with samples to use `unsigned short` instead of
`short` for consistency.

Signed-off-by: default avatarIan Abbott <abbotti@mev.co.uk>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 65a62aae

drivers/staging/comedi/drivers/dt282x.c

+6 −6
Original line number Diff line number Diff line
@@ -226,7 +226,7 @@ struct dt282x_private { 


	const struct comedi_lrange *darangelist[2];



	short ao[2];

	unsigned short ao[2];



	volatile int dacsr;	/* software copies of registers */

	volatile int adcsr;
@@ -237,7 +237,7 @@ struct dt282x_private { 


	struct {

		int chan;

		short *buf;	/* DMA buffer */

		unsigned short *buf;	/* DMA buffer */

		volatile int size;	/* size of current transfer */

	} dma[2];

	int dma_maxsize;	/* max size of DMA transfer (in bytes) */
@@ -283,7 +283,7 @@ static void dt282x_disable_dma(struct comedi_device *dev); 


static int dt282x_grab_dma(struct comedi_device *dev, int dma1, int dma2);



static void dt282x_munge(struct comedi_device *dev, short *buf,

static void dt282x_munge(struct comedi_device *dev, unsigned short *buf,

			 unsigned int nbytes)

{

	const struct dt282x_board *board = comedi_board(dev);
@@ -496,9 +496,9 @@ static irqreturn_t dt282x_interrupt(int irq, void *d) 
#if 0

	if (adcsr & DT2821_ADDONE) {

		int ret;

		short data;

		unsigned short data;



		data = (short)inw(dev->iobase + DT2821_ADDAT);

		data = inw(dev->iobase + DT2821_ADDAT);

		data &= (1 << board->adbits) - 1;



		if (devpriv->ad_2scomp)
@@ -796,7 +796,7 @@ static int dt282x_ao_insn_write(struct comedi_device *dev, 
{

	const struct dt282x_board *board = comedi_board(dev);

	struct dt282x_private *devpriv = dev->private;

	short d;

	unsigned short d;

	unsigned int chan;



	chan = CR_CHAN(insn->chanspec);