1 files changed, 6 insertions, 13 deletions
diff --git a/examples/device/cdc_uac2/src/cdc_app.c b/examples/device/cdc_uac2/src/cdc_app.c
index 2166c1d6b..6d18a0e69 100644
--- a/examples/device/cdc_uac2/src/cdc_app.c
+++ b/examples/device/cdc_uac2/src/cdc_app.c
@@ -29,33 +29,26 @@
 #include "common.h"
 
 // Invoked when cdc when line state changed e.g connected/disconnected
-void tud_cdc_line_state_cb(uint8_t itf, bool dtr, bool rts)
-{
+void tud_cdc_line_state_cb(uint8_t itf, bool dtr, bool rts) {
   (void) itf;
   (void) rts;
 
-  if (dtr)
-  {
+  if (dtr) {
     // Terminal connected
-  }
-  else
-  {
+  } else {
     // Terminal disconnected
   }
 }
 
 // Invoked when CDC interface received data from host
-void tud_cdc_rx_cb(uint8_t itf)
-{
+void tud_cdc_rx_cb(uint8_t itf) {
   uint8_t buf[64];
   uint32_t count;
 
   // connected() check for DTR bit
   // Most but not all terminal client set this when making connection
-  if (tud_cdc_connected())
-  {
-    if (tud_cdc_available()) // data is available
-    {
+  if (tud_cdc_connected()) {
+    if (tud_cdc_available() > 0) {
       count = tud_cdc_n_read(itf, buf, sizeof(buf));
       (void) count;