diff --git a/src/ir_decoder/include/irda_decode.h b/src/ir_decoder/include/irda_decode.h
index 123b809..9ca6c04 100644
--- a/src/ir_decoder/include/irda_decode.h
+++ b/src/ir_decoder/include/irda_decode.h
@@ -523,7 +523,7 @@ extern UINT16 irda_tv_lib_control(UINT8 key_code, UINT16 * l_user_data);
  *
  * return: IR_DECODE_SUCCEEDED / IR_DECODE_FAILED
  */
-extern UINT16 irda_tv_lib_close();
+extern INT8 irda_tv_lib_close();
 ///////////////////////////////////////////////// TV End /////////////////////////////////////////////////
 
 ///////////////////////////////////////////////// Utils Begin /////////////////////////////////////////////////
diff --git a/src/ir_decoder/irda_decode.c b/src/ir_decoder/irda_decode.c
index aae8a5b..b93896a 100644
--- a/src/ir_decoder/irda_decode.c
+++ b/src/ir_decoder/irda_decode.c
@@ -1215,8 +1215,9 @@ UINT16 irda_tv_lib_control(UINT8 key, UINT16* l_user_data)
     return irda_code_length;
 }
 
-UINT16 irda_tv_lib_close()
+INT8 irda_tv_lib_close()
 {
     // no need to close tv binary
+    return IR_DECODE_SUCCEEDED;
 }
 ///////////////////////////////////////////////// TV End /////////////////////////////////////////////////
\ No newline at end of file
diff --git a/src/ir_decoder/irda_main.c b/src/ir_decoder/irda_main.c
index 771fcf1..7300f64 100644
--- a/src/ir_decoder/irda_main.c
+++ b/src/ir_decoder/irda_main.c
@@ -68,8 +68,8 @@ INT8 decode_as_ac(const char* file_name)
 
     // get status
     UINT8 supported_mode = 0x00;
-    UINT8 min_temperature = 0;
-    UINT8 max_temperature = 0;
+    INT8 min_temperature = 0;
+    INT8 max_temperature = 0;
     UINT8 supported_speed = 0x00;
     UINT8 supported_swing = 0x00;
 
@@ -221,7 +221,7 @@ INT8 irda_tv_file_open(const char* file_name)
 
     fseek(stream, 0, SEEK_END);
     binary_length = ftell(stream);
-    IR_PRINTF("length of binary = %d\n", binary_length);
+    IR_PRINTF("length of binary = %d\n", (int)binary_length);
 
     binary_content = (UINT8*) irda_malloc(binary_length);
 
diff --git a/src/ir_decoder/irda_tv_parse_protocol.c b/src/ir_decoder/irda_tv_parse_protocol.c
index ca37506..3d3c4c6 100644
--- a/src/ir_decoder/irda_tv_parse_protocol.c
+++ b/src/ir_decoder/irda_tv_parse_protocol.c
@@ -16,6 +16,7 @@ Revision log:
 #include <string.h>
 
 #include "include/irda_defs.h"
+#include "include/irda_decode.h"
 #include "include/irda_tv_parse_protocol.h"
 
 /**************************************************************************************************
@@ -111,6 +112,7 @@ INT8 tv_lib_open(UINT8 *binary, UINT16 binary_length)
     pbuffer->data = binary;
     pbuffer->len = binary_length;
     pbuffer->offset = 0;
+    return IR_DECODE_SUCCEEDED;
 }
 
 BOOL tv_lib_parse(UINT8 encode_type)