staging: comedi: ni_mio_common: tidy up the calibration subdevice init

For aesthetics, add some whitespace to the subdevice init.

Refactor the code so that the common parts of the subdevice are initialized
in one place.
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/ni_mio_common.c

@@ -5642,26 +5642,26 @@ static int ni_E_init(struct comedi_device *dev,
 	s = &dev->subdevices[NI_UNUSED_SUBDEV];
 	s->type = COMEDI_SUBD_UNUSED;
 
-	/* calibration subdevice -- ai and ao */
+	/* Calibration subdevice */
 	s = &dev->subdevices[NI_CALIBRATION_SUBDEV];
-	s->type = COMEDI_SUBD_CALIB;
+	s->type		= COMEDI_SUBD_CALIB;
+	s->subdev_flags	= SDF_INTERNAL;
+	s->n_chan	= 1;
+	s->maxdata	= 0;
 	if (devpriv->is_m_series) {
-		/*  internal PWM analog output used for AI nonlinearity calibration */
-		s->subdev_flags = SDF_INTERNAL;
-		s->insn_config = &ni_m_series_pwm_config;
-		s->n_chan = 1;
-		s->maxdata = 0;
+		/* internal PWM output used for AI nonlinearity calibration */
+		s->insn_config	= ni_m_series_pwm_config;
+
 		ni_writel(dev, 0x0, M_Offset_Cal_PWM);
 	} else if (devpriv->is_6143) {
-		/*  internal PWM analog output used for AI nonlinearity calibration */
-		s->subdev_flags = SDF_INTERNAL;
-		s->insn_config = &ni_6143_pwm_config;
-		s->n_chan = 1;
-		s->maxdata = 0;
+		/* internal PWM output used for AI nonlinearity calibration */
+		s->insn_config	= ni_6143_pwm_config;
 	} else {
-		s->subdev_flags = SDF_WRITABLE | SDF_INTERNAL;
-		s->insn_read = &ni_calib_insn_read;
-		s->insn_write = &ni_calib_insn_write;
+		s->subdev_flags	|= SDF_WRITABLE;
+		s->insn_read	= ni_calib_insn_read;
+		s->insn_write	= ni_calib_insn_write;
+
+		/* setup the caldacs and find the real n_chan and maxdata */
 		caldac_setup(dev, s);
 	}