staging: comedi: comedi_parport: tidy up parport_attach()
authorH Hartley Sweeten <hsweeten@visionengravers.com>
Fri, 30 Aug 2013 18:47:31 +0000 (11:47 -0700)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Tue, 17 Sep 2013 14:47:42 +0000 (07:47 -0700)
Add some whitespace to tidy up the subdevice init.

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>
drivers/staging/comedi/drivers/comedi_parport.c

index f7680c92245dc3ff55687f565a62e15860f57da4..c36a415f6ba1dcd7c8cecbb8acc88af117cecb6a 100644 (file)
@@ -267,43 +267,47 @@ static int parport_attach(struct comedi_device *dev,
        if (ret)
                return ret;
 
+       /* Digial I/O subdevice - Parallel port DATA register */
        s = &dev->subdevices[0];
-       s->type = COMEDI_SUBD_DIO;
-       s->subdev_flags = SDF_READABLE | SDF_WRITABLE;
-       s->n_chan = 8;
-       s->maxdata = 1;
-       s->range_table = &range_digital;
-       s->insn_bits = parport_data_reg_insn_bits;
-       s->insn_config = parport_data_reg_insn_config;
-
+       s->type         = COMEDI_SUBD_DIO;
+       s->subdev_flags = SDF_READABLE | SDF_WRITABLE;
+       s->n_chan       = 8;
+       s->maxdata      = 1;
+       s->range_table  = &range_digital;
+       s->insn_bits    = parport_data_reg_insn_bits;
+       s->insn_config  = parport_data_reg_insn_config;
+
+       /* Digial Input subdevice - Parallel port STATUS register */
        s = &dev->subdevices[1];
-       s->type = COMEDI_SUBD_DI;
-       s->subdev_flags = SDF_READABLE;
-       s->n_chan = 5;
-       s->maxdata = 1;
-       s->range_table = &range_digital;
-       s->insn_bits = parport_status_reg_insn_bits;
-
+       s->type         = COMEDI_SUBD_DI;
+       s->subdev_flags = SDF_READABLE;
+       s->n_chan       = 5;
+       s->maxdata      = 1;
+       s->range_table  = &range_digital;
+       s->insn_bits    = parport_status_reg_insn_bits;
+
+       /* Digial Output subdevice - Parallel port CONTROL register */
        s = &dev->subdevices[2];
-       s->type = COMEDI_SUBD_DO;
-       s->subdev_flags = SDF_WRITABLE;
-       s->n_chan = 4;
-       s->maxdata = 1;
-       s->range_table = &range_digital;
-       s->insn_bits = parport_ctrl_reg_insn_bits;
+       s->type         = COMEDI_SUBD_DO;
+       s->subdev_flags = SDF_WRITABLE;
+       s->n_chan       = 4;
+       s->maxdata      = 1;
+       s->range_table  = &range_digital;
+       s->insn_bits    = parport_ctrl_reg_insn_bits;
 
        if (dev->irq) {
+               /* Digial Input subdevice - Interrupt support */
                s = &dev->subdevices[3];
                dev->read_subdev = s;
-               s->type = COMEDI_SUBD_DI;
-               s->subdev_flags = SDF_READABLE | SDF_CMD_READ;
-               s->n_chan = 1;
-               s->maxdata = 1;
-               s->range_table = &range_digital;
-               s->insn_bits = parport_intr_insn;
-               s->do_cmdtest = parport_intr_cmdtest;
-               s->do_cmd = parport_intr_cmd;
-               s->cancel = parport_intr_cancel;
+               s->type         = COMEDI_SUBD_DI;
+               s->subdev_flags = SDF_READABLE | SDF_CMD_READ;
+               s->n_chan       = 1;
+               s->maxdata      = 1;
+               s->range_table  = &range_digital;
+               s->insn_bits    = parport_intr_insn;
+               s->do_cmdtest   = parport_intr_cmdtest;
+               s->do_cmd       = parport_intr_cmd;
+               s->cancel       = parport_intr_cancel;
        }
 
        outb(0, dev->iobase + PARPORT_DATA_REG);