On 2014-09-15 13:59, Luca Ellero wrote:
Signed-off-by: Luca Ellero <luca.ellero@xxxxxxxxxxxxxxxx> --- 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 c33d857..711d349 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;
You could OR in the SDF_LSAMPL flag to indicate that the subdevice uses the larger (32-bit) comedi sample size. The flag is only really relevant for comedi asynchronous command support, so is not that important here.
+ 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; }
-- -=( Ian Abbott @ MEV Ltd. E-mail: <abbotti@xxxxxxxxx> )=- -=( Tel: +44 (0)161 477 1898 FAX: +44 (0)161 718 3587 )=- _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
