This information is only used to set the subdevice 'maxdata'. Change
it so the calculation is not needed.
Signed-off-by: H Hartley Sweeten <hsweeten@xxxxxxxxxxxxxxxxxxx>
Cc: Ian Abbott <abbotti@xxxxxxxxx>
Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/staging/comedi/drivers/pcmad.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/staging/comedi/drivers/pcmad.c b/drivers/staging/comedi/drivers/pcmad.c
index 76799ce..94f50f6 100644
--- a/drivers/staging/comedi/drivers/pcmad.c
+++ b/drivers/staging/comedi/drivers/pcmad.c
@@ -50,16 +50,16 @@
struct pcmad_board_struct {
const char *name;
- int n_ai_bits;
+ unsigned int ai_maxdata;
};
static const struct pcmad_board_struct pcmad_boards[] = {
{
.name = "pcmad12",
- .n_ai_bits = 12,
+ .ai_maxdata = 0x0fff,
}, {
.name = "pcmad16",
- .n_ai_bits = 16,
+ .ai_maxdata = 0xffff,
},
};
@@ -137,7 +137,7 @@ static int pcmad_attach(struct comedi_device *dev, struct comedi_devconfig *it)
s->subdev_flags = SDF_READABLE | AREF_GROUND;
s->n_chan = 16;
s->len_chanlist = 1;
- s->maxdata = (1 << board->n_ai_bits) - 1;
+ s->maxdata = board->ai_maxdata;
s->range_table = &range_unknown;
s->insn_read = pcmad_ai_insn_read;
--
1.8.1.4
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