software: kernel: hwmon: Show min, max, and critical

Add support to show min, max, and critical. Signed-off-by: Vaibhav Gupta <vaibhav.gupta@cern.ch>

software: kernel: hwmon: Show min, max, and critical
Add support to show min, max, and critical. Signed-off-by: Vaibhav Gupta <vaibhav.gupta@cern.ch>
59021248 · Vaibhav Gupta · 21ac3dda · 59021248
Commit 59021248 authored Feb 09, 2023 by Vaibhav Gupta
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Showing with 16 additions and 1 deletion

ft-hwmon.c software/kernel/ft-hwmon.c +16 -1

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--- a/software/kernel/ft-hwmon.c
+++ b/software/kernel/ft-hwmon.c
@@ -25,6 +25,20 @@ static int ft_hwmon_temp_read(struct device *dev, enum hwmon_sensor_types type,
 	int value, ret;
 	struct fmctdc_dev *ft = dev_get_drvdata(dev);

+	switch(attr) {
+		case hwmon_temp_min:
+			*val = -25*1000;
+			return 0;
+
+		case hwmon_temp_max:
+			*val = 60*1000;
+			return 0;
+
+		case hwmon_temp_crit:
+			*val = 65*1000;
+			return 0;
+	}
+
 	ret = ft_temperature_get(ft, &value);

 	if(ret < 0) {
@@ -49,7 +63,8 @@ static int ft_hwmon_temp_sensor_id_read(struct device *dev,
 }

 static const struct hwmon_channel_info *ft_hwmon_info[] = {
-	HWMON_CHANNEL_INFO(temp, HWMON_T_INPUT | HWMON_T_LABEL),
+	HWMON_CHANNEL_INFO(temp, HWMON_T_INPUT | HWMON_T_LABEL | HWMON_T_MIN |
+			   HWMON_T_MAX | HWMON_T_CRIT),
 	NULL
 };