Sample values in comedi are generally represented as unsigned values.
Change the element type of the `ai_buffer[]` member of `struct
das16m1_private_struct` and the types used by `munge_sample()` and
`munge_sample_array()` from `short` to `unsigned short` for consistency.
Signed-off-by: Ian Abbott <abbo...@mev.co.uk>
---
drivers/staging/comedi/drivers/das16m1.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/staging/comedi/drivers/das16m1.c
b/drivers/staging/comedi/drivers/das16m1.c
index 579b74e..fce9acf 100644
--- a/drivers/staging/comedi/drivers/das16m1.c
+++ b/drivers/staging/comedi/drivers/das16m1.c
@@ -131,18 +131,18 @@ struct das16m1_private_struct {
* needed to keep track of whether new count has been loaded into
* counter yet (loaded by first sample conversion) */
u16 initial_hw_count;
- short ai_buffer[FIFO_SIZE];
+ unsigned short ai_buffer[FIFO_SIZE];
unsigned int divisor1; /* divides master clock to obtain conversion
speed */
unsigned int divisor2; /* divides master clock to obtain conversion
speed */
unsigned long extra_iobase;
};
-static inline short munge_sample(short data)
+static inline unsigned short munge_sample(unsigned short data)
{
return (data >> 4) & 0xfff;
}
-static void munge_sample_array(short *array, unsigned int num_elements)
+static void munge_sample_array(unsigned short *array, unsigned int
num_elements)
{
unsigned int i;
--
1.8.4
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