Some reformatting to layout rules

Author: Bolukan

Adafruit_PWMServoDriver.cpp

@@ -108,10 +108,12 @@ void Adafruit_PWMServoDriver::wakeup() {
  *  @param  prescale
  *          Defines the frequency at which the outputs modulate
  *  @param  extclk
- *          Sets EXTCLK pin to use the external clock
+ *          Sets EXTCLK pin to use the external clock, default false
  */
-void Adafruit_PWMServoDriver::setPrescale(uint8_t prescale, bool extclk /* = false */) {
-  if (prescale < PCA9685_PRESCALE_MIN) return;
+void Adafruit_PWMServoDriver::setPrescale(uint8_t prescale, 
+                                          bool extclk) {
+  if (prescale < PCA9685_PRESCALE_MIN) 
+	return;
   // if (prescale > PCA9685_PRESCALE_MAX) return;
 
   uint8_t newmode1 = read8(PCA9685_MODE1);
@@ -120,7 +122,9 @@ void Adafruit_PWMServoDriver::setPrescale(uint8_t prescale, bool extclk /* = fal
 
   // This sets both the SLEEP and EXTCLK bits of the MODE1 register to switch to
   // use the external clock.
-  if (extclk) { write8(PCA9685_MODE1, (newmode1 |= MODE1_EXTCLK)); }
+  if (extclk) { 
+    write8(PCA9685_MODE1, (newmode1 |= MODE1_EXTCLK));
+  }
 
   write8(PCA9685_PRESCALE, prescale); // set the prescaler
 

Adafruit_PWMServoDriver.h

@@ -81,7 +81,7 @@ class Adafruit_PWMServoDriver {
   void reset();
   void sleep();
   void wakeup();
-  void setPrescale(uint8_t prescale, bool extclk=false);
+  void setPrescale(uint8_t prescale, bool extclk = false);
   void setExtClk(uint8_t prescale);
   void setPWMFreq(float freq);
   void setOutputMode(bool totempole);