Signed-off-by: Luca Ellero <luca.ell...@brickedbrain.com>
---
 drivers/staging/comedi/drivers/ni_usb6501.c |   12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/drivers/staging/comedi/drivers/ni_usb6501.c 
b/drivers/staging/comedi/drivers/ni_usb6501.c
index 791058d..8299e524 100644
--- a/drivers/staging/comedi/drivers/ni_usb6501.c
+++ b/drivers/staging/comedi/drivers/ni_usb6501.c
@@ -576,7 +576,7 @@ static int ni6501_auto_attach(struct comedi_device *dev,
        sema_init(&devpriv->sem, 1);
        usb_set_intfdata(intf, devpriv);
 
-       ret = comedi_alloc_subdevices(dev, 1);
+       ret = comedi_alloc_subdevices(dev, 2);
        if (ret)
                return ret;
 
@@ -590,6 +590,16 @@ static int ni6501_auto_attach(struct comedi_device *dev,
        s->insn_bits = ni6501_dio_insn_bits;
        s->insn_config = ni6501_dio_insn_config;
 
+       /* Counter subdevice */
+       s = &dev->subdevices[1];
+       s->type         = COMEDI_SUBD_COUNTER;
+       s->subdev_flags = SDF_READABLE | SDF_WRITEABLE | SDF_LSAMPL;
+       s->n_chan       = 1;
+       s->maxdata      = 0xffffffff;
+       s->insn_read    = ni6501_cnt_insn_read;
+       s->insn_write   = ni6501_cnt_insn_write;
+       s->insn_config  = ni6501_cnt_insn_config;
+
        return 0;
 }
 
-- 
1.7.10.4

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