Sample values in comedi are generally represented as unsigned values.
Change `daqp_interrupt()` to use unsigned sample values for consistency.

Signed-off-by: Ian Abbott <abbo...@mev.co.uk>
---
 drivers/staging/comedi/drivers/quatech_daqp_cs.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/staging/comedi/drivers/quatech_daqp_cs.c 
b/drivers/staging/comedi/drivers/quatech_daqp_cs.c
index ece3031..96a4695 100644
--- a/drivers/staging/comedi/drivers/quatech_daqp_cs.c
+++ b/drivers/staging/comedi/drivers/quatech_daqp_cs.c
@@ -208,8 +208,7 @@ static enum irqreturn daqp_interrupt(int irq, void *dev_id)
        case buffer:
                while (!((status = inb(dev->iobase + DAQP_STATUS))
                         & DAQP_STATUS_FIFO_EMPTY)) {
-
-                       short data;
+                       unsigned short data;
 
                        if (status & DAQP_STATUS_DATA_LOST) {
                                s->async->events |=
-- 
1.8.4

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