[v2,10/11] thermal/drivers/generic-adc: Register thermal zones as hwmon sensors

Commit Message

Yangtao Li June 13, 2023, 11:24 a.m. UTC

From: Chen-Yu Tsai <[e-mail]>

Register thermal zones as hwmon sensors to let userspace read
temperatures using standard hwmon interface.

Signed-off-by: Chen-Yu Tsai <[e-mail]>
[Yangtao change to use dev_warn]
Signed-off-by: Yangtao Li <[e-mail]>
---
 drivers/thermal/thermal-generic-adc.c | 8 ++++++++
 1 file changed, 8 insertions(+)

Patch

diff --git a/drivers/thermal/thermal-generic-adc.c b/drivers/thermal/thermal-generic-adc.c
index 017b0ce52122..e7a82d5cabdb 100644
--- a/drivers/thermal/thermal-generic-adc.c
+++ b/drivers/thermal/thermal-generic-adc.c
@@ -13,6 +13,8 @@ 
 #include <linux/slab.h>
 #include <linux/thermal.h>
 
+#include "thermal_hwmon.h"
+
 struct gadc_thermal_info {
 	struct device *dev;
 	struct thermal_zone_device *tz_dev;
@@ -153,6 +155,12 @@  static int gadc_thermal_probe(struct platform_device *pdev)
 		return ret;
 	}
 
+	ret = devm_thermal_add_hwmon_sysfs(&pdev->dev, gti->tz_dev);
+	if (ret) {
+		dev_warn(&pdev->dev, "Failed to add hwmon sysfs attributes\n");
+		return ret;
+	}
+
 	return 0;
 }