18 	int ret;  in read_temperature()  local
20 	ret = sensor_sample_fetch_chan(dev, SENSOR_CHAN_AMBIENT_TEMP);  in read_temperature()
21 	if (ret < 0) {  in read_temperature()
22 		printf("Could not fetch temperature: %d\n", ret);  in read_temperature()
23 		return ret;  in read_temperature()
26 	ret = sensor_channel_get(dev, SENSOR_CHAN_AMBIENT_TEMP, val);  in read_temperature()
27 	if (ret < 0) {  in read_temperature()
28 		printf("Could not get temperature: %d\n", ret);  in read_temperature()
30 	return ret;  in read_temperature()
35 	int ret;  in temp_alert_handler()  local
40 	ret = read_temperature(dev, &value);  in temp_alert_handler()
41 	if (ret < 0) {  in temp_alert_handler()
42 		printf("Reading temperature failed: %d\n", ret);  in temp_alert_handler()
60 	int ret;  in main()  local
76 	ret = read_temperature(dev, &value);  in main()
77 	if (ret != 0) {  in main()
78 		printf("Failed to read temperature: %d\n", ret);  in main()
79 		return ret;  in main()
85 	ret = sensor_value_from_double(&value, low_temp);  in main()
86 	if (ret != 0) {  in main()
87 		printf("Failed to convert low threshold to sensor value: %d\n", ret);  in main()
88 		return ret;  in main()
90 	ret = sensor_attr_set(dev, SENSOR_CHAN_AMBIENT_TEMP,  in main()
92 	if (ret == 0) {  in main()
98 	ret = sensor_value_from_double(&value, high_temp);  in main()
99 	if (ret != 0) {  in main()
100 		printf("Failed to convert low threshold to sensor value: %d\n", ret);  in main()
101 		return ret;  in main()
103 	ret = sensor_attr_set(dev, SENSOR_CHAN_AMBIENT_TEMP,  in main()
105 	if (ret == 0) {  in main()
110 	ret = sensor_trigger_set(dev, &trig, temp_alert_handler);  in main()
111 	if (ret == 0) {  in main()
116 		ret = read_temperature(dev, &value);  in main()
117 		if (ret != 0) {  in main()
118 			printf("Failed to read temperature: %d\n", ret);  in main()