staging: comedi: amplc_pci230: reduce indentation in pci230_ao_start()

Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Reviewed-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/comedi/drivers/amplc_pci230.c b/drivers/staging/comedi/drivers/amplc_pci230.c
index a44b056bc1b7dce918e6d434cf59a12e2d36609f..e0b40b38e24b2e24104bfdfd9ea1ef84e46108f9 100644 (file)
--- a/drivers/staging/comedi/drivers/amplc_pci230.c
+++ b/drivers/staging/comedi/drivers/amplc_pci230.c
@@ -1262,78 +1262,73 @@ static void pci230_ao_start(struct comedi_device *dev,
                async->events |= COMEDI_CB_EOA;
                pci230_ao_stop(dev, s);
                comedi_event(dev, s);
-       } else {
-               if (devpriv->hwver >= 2) {
-                       /* Using DAC FIFO. */
-                       unsigned short scantrig;
-                       int run;
-
-                       /* Preload FIFO data. */
-                       run = pci230_handle_ao_fifo(dev, s);
-                       comedi_event(dev, s);
-                       if (!run) {
-                               /* Stopped. */
-                               return;
-                       }
-                       /* Set scan trigger source. */
-                       switch (cmd->scan_begin_src) {
-                       case TRIG_TIMER:
-                               scantrig = PCI230P2_DAC_TRIG_Z2CT1;
-                               break;
-                       case TRIG_EXT:
-                               /* Trigger on EXTTRIG/EXTCONVCLK pin. */
-                               if ((cmd->scan_begin_arg & CR_INVERT) == 0) {
-                                       /* +ve edge */
-                                       scantrig = PCI230P2_DAC_TRIG_EXTP;
-                               } else {
-                                       /* -ve edge */
-                                       scantrig = PCI230P2_DAC_TRIG_EXTN;
-                               }
-                               break;
-                       case TRIG_INT:
-                               scantrig = PCI230P2_DAC_TRIG_SW;
-                               break;
-                       default:
-                               /* Shouldn't get here. */
-                               scantrig = PCI230P2_DAC_TRIG_NONE;
-                               break;
-                       }
-                       devpriv->daccon =
-                           (devpriv->daccon & ~PCI230P2_DAC_TRIG_MASK) |
-                           scantrig;
-                       outw(devpriv->daccon, devpriv->daqio + PCI230_DACCON);
+               return;
+       }
+       if (devpriv->hwver >= 2) {
+               /* Using DAC FIFO. */
+               unsigned short scantrig;
+               int run;
+
+               /* Preload FIFO data. */
+               run = pci230_handle_ao_fifo(dev, s);
+               comedi_event(dev, s);
+               if (!run) {
+                       /* Stopped. */
+                       return;
                }
+               /* Set scan trigger source. */
                switch (cmd->scan_begin_src) {
                case TRIG_TIMER:
-                       if (devpriv->hwver < 2) {
-                               /* Not using DAC FIFO. */
-                               /* Enable CT1 timer interrupt. */
-                               spin_lock_irqsave(&devpriv->isr_spinlock,
-                                                 irqflags);
-                               devpriv->int_en |= PCI230_INT_ZCLK_CT1;
-                               devpriv->ier |= PCI230_INT_ZCLK_CT1;
-                               outb(devpriv->ier,
-                                    dev->iobase + PCI230_INT_SCE);
-                               spin_unlock_irqrestore(&devpriv->isr_spinlock,
-                                                      irqflags);
+                       scantrig = PCI230P2_DAC_TRIG_Z2CT1;
+                       break;
+               case TRIG_EXT:
+                       /* Trigger on EXTTRIG/EXTCONVCLK pin. */
+                       if ((cmd->scan_begin_arg & CR_INVERT) == 0) {
+                               /* +ve edge */
+                               scantrig = PCI230P2_DAC_TRIG_EXTP;
+                       } else {
+                               /* -ve edge */
+                               scantrig = PCI230P2_DAC_TRIG_EXTN;
                        }
-                       /* Set CT1 gate high to start counting. */
-                       outb(GAT_CONFIG(1, GAT_VCC),
-                            dev->iobase + PCI230_ZGAT_SCE);
                        break;
                case TRIG_INT:
-                       async->inttrig = pci230_ao_inttrig_scan_begin;
+                       scantrig = PCI230P2_DAC_TRIG_SW;
+                       break;
+               default:
+                       /* Shouldn't get here. */
+                       scantrig = PCI230P2_DAC_TRIG_NONE;
                        break;
                }
-               if (devpriv->hwver >= 2) {
-                       /* Using DAC FIFO.  Enable DAC FIFO interrupt. */
+               devpriv->daccon =
+                   (devpriv->daccon & ~PCI230P2_DAC_TRIG_MASK) | scantrig;
+               outw(devpriv->daccon, devpriv->daqio + PCI230_DACCON);
+       }
+       switch (cmd->scan_begin_src) {
+       case TRIG_TIMER:
+               if (devpriv->hwver < 2) {
+                       /* Not using DAC FIFO. */
+                       /* Enable CT1 timer interrupt. */
                        spin_lock_irqsave(&devpriv->isr_spinlock, irqflags);
-                       devpriv->int_en |= PCI230P2_INT_DAC;
-                       devpriv->ier |= PCI230P2_INT_DAC;
+                       devpriv->int_en |= PCI230_INT_ZCLK_CT1;
+                       devpriv->ier |= PCI230_INT_ZCLK_CT1;
                        outb(devpriv->ier, dev->iobase + PCI230_INT_SCE);
                        spin_unlock_irqrestore(&devpriv->isr_spinlock,
                                               irqflags);
                }
+               /* Set CT1 gate high to start counting. */
+               outb(GAT_CONFIG(1, GAT_VCC), dev->iobase + PCI230_ZGAT_SCE);
+               break;
+       case TRIG_INT:
+               async->inttrig = pci230_ao_inttrig_scan_begin;
+               break;
+       }
+       if (devpriv->hwver >= 2) {
+               /* Using DAC FIFO.  Enable DAC FIFO interrupt. */
+               spin_lock_irqsave(&devpriv->isr_spinlock, irqflags);
+               devpriv->int_en |= PCI230P2_INT_DAC;
+               devpriv->ier |= PCI230P2_INT_DAC;
+               outb(devpriv->ier, dev->iobase + PCI230_INT_SCE);
+               spin_unlock_irqrestore(&devpriv->isr_spinlock, irqflags);
        }
 }