All the boards supported by this driver have analog inputs. They just
differ in the number of channels (32 or 16).
Always initialize the analog input subdevice in me4000_auto_attach().
Signed-off-by: H Hartley Sweeten <hsweeten@xxxxxxxxxxxxxxxxxxx>
---
drivers/staging/comedi/drivers/me4000.c | 39 +++++++++++++--------------------
1 file changed, 15 insertions(+), 24 deletions(-)
diff --git a/drivers/staging/comedi/drivers/me4000.c b/drivers/staging/comedi/drivers/me4000.c
index 2b37c53..3d45217 100644
--- a/drivers/staging/comedi/drivers/me4000.c
+++ b/drivers/staging/comedi/drivers/me4000.c
@@ -1281,31 +1281,22 @@ static int me4000_auto_attach(struct comedi_device *dev,
if (result)
return result;
- /*=========================================================================
- Analog input subdevice
- ========================================================================*/
-
+ /* Analog Input subdevice */
s = &dev->subdevices[0];
-
- if (board->ai_nchan) {
- s->type = COMEDI_SUBD_AI;
- s->subdev_flags =
- SDF_READABLE | SDF_COMMON | SDF_GROUND | SDF_DIFF;
- s->n_chan = board->ai_nchan;
- s->maxdata = 0xFFFF; /* 16 bit ADC */
- s->len_chanlist = ME4000_AI_CHANNEL_LIST_COUNT;
- s->range_table = &me4000_ai_range;
- s->insn_read = me4000_ai_insn_read;
-
- if (dev->irq) {
- dev->read_subdev = s;
- s->subdev_flags |= SDF_CMD_READ;
- s->cancel = me4000_ai_cancel;
- s->do_cmdtest = me4000_ai_do_cmd_test;
- s->do_cmd = me4000_ai_do_cmd;
- }
- } else {
- s->type = COMEDI_SUBD_UNUSED;
+ s->type = COMEDI_SUBD_AI;
+ s->subdev_flags = SDF_READABLE | SDF_COMMON | SDF_GROUND | SDF_DIFF;
+ s->n_chan = board->ai_nchan;
+ s->maxdata = 0xffff;
+ s->len_chanlist = ME4000_AI_CHANNEL_LIST_COUNT;
+ s->range_table = &me4000_ai_range;
+ s->insn_read = me4000_ai_insn_read;
+
+ if (dev->irq) {
+ dev->read_subdev = s;
+ s->subdev_flags |= SDF_CMD_READ;
+ s->cancel = me4000_ai_cancel;
+ s->do_cmdtest = me4000_ai_do_cmd_test;
+ s->do_cmd = me4000_ai_do_cmd;
}
/*=========================================================================
--
2.4.3
_______________________________________________
devel mailing list
devel@xxxxxxxxxxxxxxxxxxxxxx
http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
