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staging: comedi: dt3000: sample types are unsigned 

Sample values in comedi are generally represented as unsigned values.
Change the type of the `data` variable in `dt3k_ai_empty_fifo()` from
`short` to `unsigned short` for consistency.

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 14:40:20 +01:00 committed by Greg Kroah-Hartman
parent 766b1f95cf
commit 37a96e994c
1 changed files with 1 additions and 1 deletions
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drivers/staging/comedi/drivers/dt3000.c
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@ -331,7 +331,7 @@ static void dt3k_ai_empty_fifo(struct comedi_device *dev,
int rear;
int count;
int i;
short data;
unsigned short data;
front = readw(devpriv->io_addr + DPR_AD_Buf_Front);
count = front - devpriv->ai_front;