Add a "quiet" parameter to open_i2c_dev() to prevent it from

displaying error messages.


git-svn-id: http://lm-sensors.org/svn/lm-sensors/trunk@3077 7894878c-1315-0410-8ee3-d5d059ff63e0

prog/detect/i2cdetect.c

@@ -223,7 +223,7 @@ int main(int argc, char *argv[])
 		exit(1);
 	}
 
-	file = open_i2c_dev(i2cbus, filename);
+	file = open_i2c_dev(i2cbus, filename, 0);
 	if (file < 0) {
 		exit(1);
 	}

prog/dump/i2cbusses.c

@@ -169,7 +169,7 @@ done:
 		               "and also modprobed your i2c bus drivers\n");
 }
 
-int open_i2c_dev(const int i2cbus, char *filename)
+int open_i2c_dev(const int i2cbus, char *filename, const int quiet)
 {
 	int file;
 
@@ -181,7 +181,7 @@ int open_i2c_dev(const int i2cbus, char *filename)
 		file = open(filename, O_RDWR);
 	}
 
-	if (file < 0) {
+	if (file < 0 && !quiet) {
 		if (errno == ENOENT) {
 			fprintf(stderr, "Error: Could not open file "
 			        "`/dev/i2c-%d' or `/dev/i2c/%d': %s\n",

prog/dump/i2cbusses.h

@@ -23,6 +23,6 @@
 
 void print_i2c_busses(int procfmt);
 
-int open_i2c_dev(const int i2cbus, char *filename);
+int open_i2c_dev(const int i2cbus, char *filename, const int quiet);
 
 #endif

prog/dump/i2cdump.c

@@ -184,7 +184,7 @@ int main(int argc, char *argv[])
 		}
 	}
 
-	file = open_i2c_dev(i2cbus, filename);
+	file = open_i2c_dev(i2cbus, filename, 0);
 	if (file < 0) {
 		exit(1);
 	}

prog/dump/i2cset.c

@@ -125,7 +125,7 @@ int main(int argc, char *argv[])
 		help();
 	}
 
-	file = open_i2c_dev(i2cbus, filename);
+	file = open_i2c_dev(i2cbus, filename, 0);
 	if (file < 0) {
 		exit(1);
 	}