staging: comedi: amplc_pci230: don't use multiple blank lines

Fix checkpatch issues: "CHECK: Please don't use multiple blank lines".
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>

drivers/staging/comedi/drivers/amplc_pci230.c

@@ -864,7 +864,6 @@ static int pci230_ai_rinsn(struct comedi_device *dev,
 	else
 		adccon |= PCI230_ADC_IR_UNI;
 
-
 	/*
 	 * Enable only this channel in the scan list - otherwise by default
 	 * we'll get one sample from each channel.
@@ -2295,7 +2294,6 @@ static int pci230_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
 	if (!get_resources(dev, res_mask, OWNER_AICMD))
 		return -EBUSY;
 
-
 	/* Get number of scans required. */
 	if (cmd->stop_src == TRIG_COUNT)
 		devpriv->ai_scan_count = cmd->stop_arg;
@@ -2487,7 +2485,6 @@ static irqreturn_t pci230_interrupt(int irq, void *d)
 	if (status_int == PCI230_INT_DISABLE)
 		return IRQ_NONE;
 
-
 	spin_lock_irqsave(&devpriv->isr_spinlock, irqflags);
 	valid_status_int = devpriv->int_en & status_int;
 	/*