diff options
| author | H Hartley Sweeten <hsweeten@visionengravers.com> | 2016-03-22 11:10:47 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-03-28 07:30:36 -0700 |
| commit | 34b7f1f8194da6600eda6bb7c26659de19047a39 (patch) | |
| tree | 399ecb9f3c5e30add65d0944f0681134d4e073af /drivers/staging/comedi/drivers/ni_660x.c | |
| parent | 90ad57be6be10e7084ca677d6eddfba612b55a62 (diff) | |
staging: comedi: ni_660x: default DIO channels with subdevice init
For aesthetics, move the initialization of the default routing for the
DIO channels so it happens when the subdevice is initialized.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/comedi/drivers/ni_660x.c')
| -rw-r--r-- | drivers/staging/comedi/drivers/ni_660x.c | 27 |
1 files changed, 13 insertions, 14 deletions
diff --git a/drivers/staging/comedi/drivers/ni_660x.c b/drivers/staging/comedi/drivers/ni_660x.c index 5969723b6167..cf25892d92b2 100644 --- a/drivers/staging/comedi/drivers/ni_660x.c +++ b/drivers/staging/comedi/drivers/ni_660x.c @@ -996,6 +996,19 @@ static int ni_660x_auto_attach(struct comedi_device *dev, s->insn_bits = ni_660x_dio_insn_bits; s->insn_config = ni_660x_dio_insn_config; + /* + * Default the DIO channels as: + * chan 0-7: DIO inputs + * chan 8-39: counter signal inputs + */ + for (i = 0; i < s->n_chan; ++i) { + unsigned int source = (i < 8) ? NI_660X_PFI_OUTPUT_DIO + : NI_660X_PFI_OUTPUT_COUNTER; + + ni_660x_set_pfi_routing(dev, i, source); + ni_660x_select_pfi_output(dev, i, 0); /* high-z */ + } + /* Counter subdevices (4 NI TIO General Purpose Counters per chip) */ for (i = 0; i < NI660X_MAX_COUNTERS; ++i) { s = &dev->subdevices[subdev++]; @@ -1028,20 +1041,6 @@ static int ni_660x_auto_attach(struct comedi_device *dev, } } - /* - * Default the DIO channels as: - * chan 0-7: DIO inputs - * chan 8-39: counter signal inputs - */ - for (i = 0; i < NI660X_NUM_PFI_CHANNELS; ++i) { - if (i < 8) - ni_660x_set_pfi_routing(dev, i, NI_660X_PFI_OUTPUT_DIO); - else - ni_660x_set_pfi_routing(dev, i, - NI_660X_PFI_OUTPUT_COUNTER); - ni_660x_select_pfi_output(dev, i, 0); /* high-z */ - } - /* * To be safe, set counterswap bits on tio chips after all the counter * outputs have been set to high impedance mode. |