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staging: comedi: adl_pci9111: sample types are unsigned

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Sample values in comedi are generally represented as unsigned values.
Change the element type of the `ai_bounce_buffer[]` member of `struct
pci9111_private_data` from `short` to `unsigned short` for consistency.
Also change the type of the `array` variable in `pci9111_ai_munge()`
from `short *` to `unsigned short *`.

Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Ian Abbott 2013-10-16 14:40:08 +01:00 committed by Greg Kroah-Hartman
parent 58a37d4186
commit b909ba8f8b
1 changed files with 2 additions and 2 deletions
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4
drivers/staging/comedi/drivers/adl_pci9111.c
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@ -151,7 +151,7 @@ struct pci9111_private_data {
unsigned int div1;
unsigned int div2;
short ai_bounce_buffer[2 * PCI9111_FIFO_HALF_SIZE];
unsigned short ai_bounce_buffer[2 * PCI9111_FIFO_HALF_SIZE];
};
static void plx9050_interrupt_control(unsigned long io_base,
@ -567,7 +567,7 @@ static void pci9111_ai_munge(struct comedi_device *dev,
unsigned int num_bytes,
unsigned int start_chan_index)
{
short *array = data;
unsigned short *array = data;
unsigned int maxdata = s->maxdata;
unsigned int invert = (maxdata + 1) >> 1;
unsigned int shift = (maxdata == 0xffff) ? 0 : 4;