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authorIan Abbott <abbotti@mev.co.uk>2013-10-16 14:40:10 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-10-16 12:48:17 -0700
commite3a9e513c6ff1ce447056af90f676b6aaa724911 (patch)
treebbc52f2544b59ac13108e5538091f234838d477b /drivers
parent6cda0d26b11c0b71e8cc43166fe9f669e68b61d6 (diff)
staging: comedi: adv_pci1710: sample types are unsigned
Sample values in comedi are generally represented as unsigned values. Change the element type of the `ao_data[]` member of `struct pci1710_private` from `short` to `unsigned short` for consistency. Also remove the `ai_data` member as it is only assigned to. Change various local variables used to hold sample values to `unsigned short`. Signed-off-by: Ian Abbott <abbotti@mev.co.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/staging/comedi/drivers/adv_pci1710.c8
1 files changed, 3 insertions, 5 deletions
diff --git a/drivers/staging/comedi/drivers/adv_pci1710.c b/drivers/staging/comedi/drivers/adv_pci1710.c
index 49b39ec22708..c3fdcabe9aec 100644
--- a/drivers/staging/comedi/drivers/adv_pci1710.c
+++ b/drivers/staging/comedi/drivers/adv_pci1710.c
@@ -314,10 +314,9 @@ struct pci1710_private {
unsigned int *ai_chanlist; /* actaul chanlist */
unsigned int ai_flags; /* flaglist */
unsigned int ai_data_len; /* len of data buffer */
- short *ai_data; /* data buffer */
unsigned int ai_timer1; /* timers */
unsigned int ai_timer2;
- short ao_data[4]; /* data output buffer */
+ unsigned short ao_data[4]; /* data output buffer */
unsigned int cnt0_write_wait; /* after a write, wait for update of the
* internal state */
};
@@ -736,7 +735,7 @@ static void interrupt_pci1710_every_sample(void *d)
int m;
#ifdef PCI171x_PARANOIDCHECK
const struct boardtype *this_board = comedi_board(dev);
- short sampl;
+ unsigned short sampl;
#endif
m = inw(dev->iobase + PCI171x_STATUS);
@@ -817,7 +816,7 @@ static int move_block_from_fifo(struct comedi_device *dev,
int i, j;
#ifdef PCI171x_PARANOIDCHECK
const struct boardtype *this_board = comedi_board(dev);
- int sampl;
+ unsigned short sampl;
#endif
j = s->async->cur_chan;
@@ -1122,7 +1121,6 @@ static int pci171x_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
devpriv->ai_chanlist = cmd->chanlist;
devpriv->ai_flags = cmd->flags;
devpriv->ai_data_len = s->async->prealloc_bufsz;
- devpriv->ai_data = s->async->prealloc_buf;
devpriv->ai_timer1 = 0;
devpriv->ai_timer2 = 0;