4 files changed, 5 insertions, 5 deletions
diff --git a/apps/examples/i2schar/Makefile b/apps/examples/i2schar/Makefile
index dcc51696a..57eb190fc 100644
--- a/apps/examples/i2schar/Makefile
+++ b/apps/examples/i2schar/Makefile
@@ -74,7 +74,7 @@ STACKSIZE = 2048
 
 # Common build
 
-VPATH = 
+VPATH =
 
 all: .built
 .PHONY: context clean depend distclean
diff --git a/apps/examples/i2schar/i2schar_main.c b/apps/examples/i2schar/i2schar_main.c
index 01ca7fd15..fa5806cf9 100644
--- a/apps/examples/i2schar/i2schar_main.c
+++ b/apps/examples/i2schar/i2schar_main.c
@@ -173,7 +173,7 @@ static void parse_args(FAR struct i2schar_state_s *i2schar, int argc, FAR char *
   long value;
   int index;
   int nargs;
- 
+
   for (index = 1; index < argc; )
     {
       ptr = argv[index];
@@ -218,7 +218,7 @@ static void parse_args(FAR struct i2schar_state_s *i2schar, int argc, FAR char *
           case 'h':
             i2schar_help(i2schar);
             exit(0);
-        
+
           default:
             message("Unsupported option: %s\n", ptr);
             i2schar_help(i2schar);
diff --git a/apps/examples/i2schar/i2schar_receiver.c b/apps/examples/i2schar/i2schar_receiver.c
index 279076c6a..4575fd109 100644
--- a/apps/examples/i2schar/i2schar_receiver.c
+++ b/apps/examples/i2schar/i2schar_receiver.c
@@ -114,7 +114,7 @@ pthread_addr_t i2schar_receiver(pthread_addr_t arg)
   for (i = 0; i < CONFIG_EXAMPLES_I2SCHAR_TXBUFFERS; i++)
     {
       /* Allocate an audio buffer of the configured size */
- 
+
       desc.numbytes   = CONFIG_EXAMPLES_I2SCHAR_BUFSIZE;
       desc.u.ppBuffer = &apb;
 
diff --git a/apps/examples/i2schar/i2schar_transmitter.c b/apps/examples/i2schar/i2schar_transmitter.c
index 601f9af39..8170c2956 100644
--- a/apps/examples/i2schar/i2schar_transmitter.c
+++ b/apps/examples/i2schar/i2schar_transmitter.c
@@ -117,7 +117,7 @@ pthread_addr_t i2schar_transmitter(pthread_addr_t arg)
   for (i = 0, crap = 0; i < CONFIG_EXAMPLES_I2SCHAR_TXBUFFERS; i++)
     {
       /* Allocate an audio buffer of the configured size */
- 
+
       desc.numbytes   = CONFIG_EXAMPLES_I2SCHAR_BUFSIZE;
       desc.u.ppBuffer = &apb;