diff --git a/examples/pwm/pwm_main.c b/examples/pwm/pwm_main.c
index 7a808dd2e..2cf4468da 100644
--- a/examples/pwm/pwm_main.c
+++ b/examples/pwm/pwm_main.c
@@ -158,6 +158,7 @@ static void pwm_help(FAR struct pwm_state_s *pwm)
     CONFIG_EXAMPLES_PWM_CHANNEL4,
 #endif
   };
+
   uint8_t duties[CONFIG_PWM_NCHANNELS] =
   {
     CONFIG_EXAMPLES_PWM_DUTYPCT1,
@@ -171,11 +172,13 @@ static void pwm_help(FAR struct pwm_state_s *pwm)
     CONFIG_EXAMPLES_PWM_DUTYPCT4,
 #endif
   };
+
   int i;
 #endif
 
   printf("Usage: pwm [OPTIONS]\n");
-  printf("\nArguments are \"sticky\".  For example, once the PWM frequency is\n");
+  printf("\nArguments are \"sticky\".  "
+         "For example, once the PWM frequency is\n");
   printf("specified, that frequency will be re-used until it is changed.\n");
   printf("\n\"sticky\" OPTIONS include:\n");
   printf("  [-p devpath] selects the PWM device.  "
@@ -185,23 +188,28 @@ static void pwm_help(FAR struct pwm_state_s *pwm)
          "Default: %d Hz Current: %u Hz\n",
          CONFIG_EXAMPLES_PWM_FREQUENCY, pwm->freq);
 #ifdef CONFIG_PWM_MULTICHAN
-  printf("  [[-c channel1] [[-c channel2] ...]] selects the channel number for each channel.  ");
+  printf("  [[-c channel1] [[-c channel2] ...]] "
+         "selects the channel number for each channel.  ");
   printf("Default:");
   for (i = 0; i < CONFIG_PWM_MULTICHAN; i++)
     {
       printf(" %d", channels[i]);
     }
+
   printf("Current:");
   for (i = 0; i < CONFIG_PWM_MULTICHAN; i++)
     {
       printf(" %d", pwm->channels[i]);
     }
-  printf("  [[-d duty1] [[-d duty2] ...]] selects the pulse duty as a percentage.  ");
+
+  printf("  [[-d duty1] [[-d duty2] ...]] "
+         "selects the pulse duty as a percentage.  ");
   printf("Default:");
   for (i = 0; i < CONFIG_PWM_MULTICHAN; i++)
     {
       printf(" %d %%", duties[i]);
     }
+
   printf("Current:");
   for (i = 0; i < CONFIG_PWM_MULTICHAN; i++)
     {
@@ -261,7 +269,8 @@ static int arg_decimal(FAR char **arg, FAR long *value)
  * Name: parse_args
  ****************************************************************************/
 
-static void parse_args(FAR struct pwm_state_s *pwm, int argc, FAR char **argv)
+static void parse_args(FAR struct pwm_state_s *pwm, int argc,
+                       FAR char **argv)
 {
   FAR char *ptr;
   FAR char *str;
@@ -311,10 +320,11 @@ static void parse_args(FAR struct pwm_state_s *pwm, int argc, FAR char **argv)
               }
             else
               {
-                memmove(pwm->channels, pwm->channels+1, CONFIG_PWM_NCHANNELS-1);
+                memmove(pwm->channels, pwm->channels + 1,
+                        CONFIG_PWM_NCHANNELS - 1);
               }
 
-            pwm->channels[nchannels-1] = (uint8_t)value;
+            pwm->channels[nchannels - 1] = (uint8_t)value;
             index += nargs;
             break;
 #endif
@@ -334,10 +344,11 @@ static void parse_args(FAR struct pwm_state_s *pwm, int argc, FAR char **argv)
               }
             else
               {
-                memmove(pwm->duties, pwm->duties+1, CONFIG_PWM_NCHANNELS-1);
+                memmove(pwm->duties, pwm->duties + 1,
+                        CONFIG_PWM_NCHANNELS - 1);
               }
 
-            pwm->duties[nduties-1] = (uint8_t)value;
+            pwm->duties[nduties - 1] = (uint8_t)value;
 #else
             pwm->duty = (uint8_t)value;
 #endif
@@ -482,7 +493,8 @@ int main(int argc, FAR char *argv[])
   for (i = 0; i < CONFIG_PWM_NCHANNELS; i++)
     {
       info.channels[i].channel = g_pwmstate.channels[i];
-      info.channels[i].duty    = ((uint32_t)g_pwmstate.duties[i] << 16) / 100;
+      info.channels[i].duty    = ((uint32_t)g_pwmstate.duties[i]
+                                  << 16) / 100;
       printf(" channel: %d duty: %08x",
         info.channels[i].channel, info.channels[i].duty);
     }
@@ -494,7 +506,8 @@ int main(int argc, FAR char *argv[])
 #  ifdef CONFIG_PWM_PULSECOUNT
   info.count     = g_pwmstate.count;
 
-  printf("pwm_main: starting output with frequency: %u duty: %08x count: %u\n",
+  printf("pwm_main: starting output "
+         "with frequency: %u duty: %08x count: %u\n",
          info.frequency, info.duty, info.count);
 
 #  else
@@ -504,10 +517,12 @@ int main(int argc, FAR char *argv[])
 #  endif
 #endif
 
-  ret = ioctl(fd, PWMIOC_SETCHARACTERISTICS, (unsigned long)((uintptr_t)&info));
+  ret = ioctl(fd, PWMIOC_SETCHARACTERISTICS,
+              (unsigned long)((uintptr_t)&info));
   if (ret < 0)
     {
-      printf("pwm_main: ioctl(PWMIOC_SETCHARACTERISTICS) failed: %d\n", errno);
+      printf("pwm_main: ioctl(PWMIOC_SETCHARACTERISTICS) failed: %d\n",
+             errno);
       goto errout_with_dev;
     }