diff options
| author | H Hartley Sweeten <hsweeten@visionengravers.com> | 2013-08-26 15:29:33 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-08-27 16:59:08 -0700 |
| commit | f9f34d57bab010e6f11ec3ebd674b4ff4fc909ee (patch) | |
| tree | 11cce298282c5076f774350428f4c631ee3e9f9f /drivers/staging | |
| parent | 49b71ebab2b40ffec19007e8b4dba6b8f8622f46 (diff) | |
staging: comedi: ni_atmio16d: fix atmio16d_dio_insn_config()
This is the (*insn_config) function for a DIO subdevice. It should be
using the data[0] value as the "instruction" to perform on the subdevice.
Use the comedi_dio_insn_config() helper to properly handle instructions.
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')
| -rw-r--r-- | drivers/staging/comedi/drivers/ni_atmio16d.c | 22 |
1 files changed, 13 insertions, 9 deletions
diff --git a/drivers/staging/comedi/drivers/ni_atmio16d.c b/drivers/staging/comedi/drivers/ni_atmio16d.c index 8520d83d940f..bb3491f5ad21 100644 --- a/drivers/staging/comedi/drivers/ni_atmio16d.c +++ b/drivers/staging/comedi/drivers/ni_atmio16d.c @@ -576,15 +576,19 @@ static int atmio16d_dio_insn_config(struct comedi_device *dev, unsigned int *data) { struct atmio16d_private *devpriv = dev->private; - int i; - int mask; + unsigned int chan = CR_CHAN(insn->chanspec); + unsigned int mask; + int ret; + + if (chan < 4) + mask = 0x0f; + else + mask = 0xf0; + + ret = comedi_dio_insn_config(dev, s, insn, data, mask); + if (ret) + return ret; - for (i = 0; i < insn->n; i++) { - mask = (CR_CHAN(insn->chanspec) < 4) ? 0x0f : 0xf0; - s->io_bits &= ~mask; - if (data[i]) - s->io_bits |= mask; - } devpriv->com_reg_2_state &= ~(COMREG2_DOUTEN0 | COMREG2_DOUTEN1); if (s->io_bits & 0x0f) devpriv->com_reg_2_state |= COMREG2_DOUTEN0; @@ -592,7 +596,7 @@ static int atmio16d_dio_insn_config(struct comedi_device *dev, devpriv->com_reg_2_state |= COMREG2_DOUTEN1; outw(devpriv->com_reg_2_state, dev->iobase + COM_REG_2); - return i; + return insn->n; } /* |