fix compiler warning on uninitialized variable

diff --git a/i2c.c b/i2c.c
index 711cd87ab5d757c866fff79bb4f30a68bef71363..d2e4b1f6b735e5f6ef7da91963e76c4fc2ba5c5a 100644 (file)
--- a/i2c.c
+++ b/i2c.c
@@ -49,22 +49,16 @@ unsigned int i2c_sw[16]=
       SW_12,SW_11,SW_10,SW_9,SW_7,SW_8,SW_16,SW_17 };
 
 static int write_byte_data(unsigned char reg, unsigned char data) {
-  int rc;
+  int rc = 0;
 
-  if(i2c_smbus_write_byte_data(fd,reg,data&0xFF)<0) {
+  rc = i2c_smbus_write_byte_data(fd,reg,data&0xFF);
+  if(rc < 0) {
     g_print("%s: write REG_GCONF config failed: addr=%02X %s\n",__FUNCTION__,i2c_address_1,g_strerror(errno));
   }
   
   return rc;
 }
 
-static unsigned char read_byte_data(unsigned char reg) {
-  __s32 data;
-
-  data=i2c_smbus_read_byte_data(fd,reg);
-  return data&0xFF;
-}
-
 static unsigned int read_word_data(unsigned char reg) {
   __s32 data;
 
@@ -73,10 +67,6 @@ static unsigned int read_word_data(unsigned char reg) {
 }
 
 
-static void frequencyStep(int pos) {
-  vfo_step(pos);
-}
-
 void i2c_interrupt() {
   unsigned int flags;
   unsigned int ints;