diff --git a/prog/sensors/main.c b/prog/sensors/main.c
index f535b66..a19b919 100644
--- a/prog/sensors/main.c
+++ b/prog/sensors/main.c
@@ -54,15 +54,16 @@ static void print_short_help(void)
static void print_long_help(void)
{
printf("Usage: %s [OPTION]... [CHIP]...\n", PROGRAM);
- puts(" -c, --config-file Specify a config file\n"
- " -h, --help Display this help text\n"
- " -s, --set Execute `set' statements (root only)\n"
- " -f, --fahrenheit Show temperatures in degrees fahrenheit\n"
- " -A, --no-adapter Do not show adapter for each chip\n"
- " --bus-list Generate bus statements for sensors.conf\n"
- " -u Raw output\n"
- " -j Json output\n"
- " -v, --version Display the program version\n"
+ puts(" -c, --config-file Specify a config file\n"
+ " -h, --help Display this help text\n"
+ " -s, --set Execute `set' statements (root only)\n"
+ " -f, --fahrenheit Show temperatures in degrees fahrenheit\n"
+ " -A, --no-adapter Do not show adapter for each chip\n"
+ " --bus-list Generate bus statements for sensors.conf\n"
+ " -u Raw output\n"
+ " -j Json output\n"
+ " -v, --version Display the program version\n"
+ " -n, --allow-no-sensors Do not fail if no sensors found\n"
"\n"
"Use `-' after `-c' to read the config file from stdin.\n"
"If no chips are specified, all chip info will be printed.\n"
@@ -270,7 +271,7 @@ static void print_bus_list(void)
int main(int argc, char *argv[])
{
- int c, i, err, do_bus_list;
+ int c, i, err, do_bus_list, allow_no_sensors;
const char *config_file_name = NULL;
struct option long_opts[] = {
@@ -281,6 +282,7 @@ int main(int argc, char *argv[])
{ "no-adapter", no_argument, NULL, 'A' },
{ "config-file", required_argument, NULL, 'c' },
{ "bus-list", no_argument, NULL, 'B' },
+ { "allow-no-sensors", no_argument, NULL, 'n' },
{ 0, 0, 0, 0 }
};
@@ -291,8 +293,9 @@ int main(int argc, char *argv[])
do_sets = 0;
do_bus_list = 0;
hide_adapter = 0;
+ allow_no_sensors = 0;
while (1) {
- c = getopt_long(argc, argv, "hsvfAc:uj", long_opts, NULL);
+ c = getopt_long(argc, argv, "hsvfAc:ujn", long_opts, NULL);
if (c == EOF)
break;
switch(c) {
@@ -327,6 +330,9 @@ int main(int argc, char *argv[])
case 'B':
do_bus_list = 1;
break;
+ case 'n':
+ allow_no_sensors = 1;
+ break;
default:
fprintf(stderr,
"Internal error while parsing options!\n");
@@ -349,7 +355,9 @@ int main(int argc, char *argv[])
"No sensors found!\n"
"Make sure you loaded all the kernel drivers you need.\n"
"Try sensors-detect to find out which these are.\n");
- err = 1;
+ if (!allow_no_sensors) {
+ err = 1;
+ }
}
} else {
int cnt = 0;
diff --git a/prog/sensors/sensors.1 b/prog/sensors/sensors.1
index 7d66e4b..d207aa1 100644
--- a/prog/sensors/sensors.1
+++ b/prog/sensors/sensors.1
@@ -78,6 +78,8 @@ are only needed if you have several chips sharing the same address on different
buses of the same type. As bus numbers are usually not guaranteed to be stable
over reboots, these statements let you refer to each bus by its name rather
than numbers.
+.IP "-n, --allow-no-sensors"
+Do not fail if no sensors found. The error message will be printed in the log.
.SH FILES
.I /etc/sensors3.conf
.br