staging: comedi: ni_mio_common: Code reformat and re-indentation

Resolve general code indentation problems as detected by checkpatch script.
Implement code reformat and re-indentation as per coding style to
improve readability.
Signed-off-by: Deepak R Varma <mh12gx2825@gmail.com>
Link: https://lore.kernel.org/r/20200314210749.GA3393@deeUbuntuSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/comedi/drivers/ni_mio_common.c

@@ -2199,7 +2199,8 @@ static int ni_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
 		break;
 	case TRIG_EXT:
 		ai_trig |= NISTC_AI_TRIG_START1_SEL(
-			ni_get_reg_value_roffs(CR_CHAN(cmd->start_arg),
+				ni_get_reg_value_roffs(
+					CR_CHAN(cmd->start_arg),
 					NI_AI_StartTrigger,
 					&devpriv->routing_tables, 1));
 
@@ -2311,8 +2312,10 @@ static int ni_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
 		    (cmd->scan_begin_arg & ~CR_EDGE) !=
 		    (cmd->convert_arg & ~CR_EDGE))
 			start_stop_select |= NISTC_AI_START_SYNC;
+
 		start_stop_select |= NISTC_AI_START_SEL(
-			ni_get_reg_value_roffs(CR_CHAN(cmd->scan_begin_arg),
+					ni_get_reg_value_roffs(
+						CR_CHAN(cmd->scan_begin_arg),
 						NI_AI_SampleClock,
 						&devpriv->routing_tables, 1));
 		ni_stc_writew(dev, start_stop_select, NISTC_AI_START_STOP_REG);
@@ -2343,7 +2346,8 @@ static int ni_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
 		break;
 	case TRIG_EXT:
 		mode1 |= NISTC_AI_MODE1_CONVERT_SRC(
-			ni_get_reg_value_roffs(CR_CHAN(cmd->convert_arg),
+				ni_get_reg_value_roffs(
+						CR_CHAN(cmd->convert_arg),
 						NI_AI_ConvertClock,
 						&devpriv->routing_tables, 1));
 		if ((cmd->convert_arg & CR_INVERT) == 0)
@@ -2970,9 +2974,11 @@ static void ni_ao_cmd_set_trigger(struct comedi_device *dev,
 			  NISTC_AO_TRIG_START1_SYNC;
 	} else { /* TRIG_EXT */
 		trigsel = NISTC_AO_TRIG_START1_SEL(
-			ni_get_reg_value_roffs(CR_CHAN(cmd->start_arg),
+				ni_get_reg_value_roffs(
+						CR_CHAN(cmd->start_arg),
 						NI_AO_StartTrigger,
 						&devpriv->routing_tables, 1));
+
 		/* 0=active high, 1=active low. see daq-stc 3-24 (p186) */
 		if (cmd->start_arg & CR_INVERT)
 			trigsel |= NISTC_AO_TRIG_START1_POLARITY;
@@ -3079,12 +3085,10 @@ static void ni_ao_cmd_set_update(struct comedi_device *dev,
 	 * zero out these bit fields to be set below. Does an ao-reset do this
 	 * automatically?
 	 */
-	devpriv->ao_mode1 &= ~(
-	  NISTC_AO_MODE1_UI_SRC_MASK         |
+	devpriv->ao_mode1 &=  ~(NISTC_AO_MODE1_UI_SRC_MASK	   |
 				NISTC_AO_MODE1_UI_SRC_POLARITY	   |
 				NISTC_AO_MODE1_UPDATE_SRC_MASK	   |
-	  NISTC_AO_MODE1_UPDATE_SRC_POLARITY
-	);
+				NISTC_AO_MODE1_UPDATE_SRC_POLARITY);
 
 	if (cmd->scan_begin_src == TRIG_TIMER) {
 		unsigned int trigvar;
@@ -3134,7 +3138,8 @@ static void ni_ao_cmd_set_update(struct comedi_device *dev,
 		/* FIXME:  assert scan_begin_arg != 0, ret failure otherwise */
 		devpriv->ao_cmd2  |= NISTC_AO_CMD2_BC_GATE_ENA;
 		devpriv->ao_mode1 |= NISTC_AO_MODE1_UPDATE_SRC(
-			ni_get_reg_value(CR_CHAN(cmd->scan_begin_arg),
+					ni_get_reg_value(
+						CR_CHAN(cmd->scan_begin_arg),
 						NI_AO_SampleClock,
 						&devpriv->routing_tables));
 		if (cmd->scan_begin_arg & CR_INVERT)
@@ -3673,7 +3678,8 @@ static int ni_cdio_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
 	cdo_mode_bits = NI_M_CDO_MODE_FIFO_MODE |
 			NI_M_CDO_MODE_HALT_ON_ERROR |
 			NI_M_CDO_MODE_SAMPLE_SRC(
-				ni_get_reg_value(CR_CHAN(cmd->scan_begin_arg),
+				ni_get_reg_value(
+					CR_CHAN(cmd->scan_begin_arg),
 					NI_DO_SampleClock,
 					&devpriv->routing_tables));
 	if (cmd->scan_begin_arg & CR_INVERT)