[PATCH] thermal/drivers/mediatek/lvts_thermal: Register thermal zones as hwmon sensors

From: Chen-Yu Tsai
Date: Tue Mar 14 2023 - 05:32:32 EST


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

Signed-off-by: Chen-Yu Tsai <wenst@xxxxxxxxxxxx>
---
drivers/thermal/mediatek/lvts_thermal.c | 5 +++++
1 file changed, 5 insertions(+)

diff --git a/drivers/thermal/mediatek/lvts_thermal.c b/drivers/thermal/mediatek/lvts_thermal.c
index 0557d1c61b9e..15f317c42718 100644
--- a/drivers/thermal/mediatek/lvts_thermal.c
+++ b/drivers/thermal/mediatek/lvts_thermal.c
@@ -19,6 +19,8 @@
#include <linux/thermal.h>
#include <dt-bindings/thermal/mediatek,lvts-thermal.h>

+#include "../thermal_hwmon.h"
+
#define LVTS_MONCTL0(__base) (__base + 0x0000)
#define LVTS_MONCTL1(__base) (__base + 0x0004)
#define LVTS_MONCTL2(__base) (__base + 0x0008)
@@ -996,6 +998,9 @@ static int lvts_ctrl_start(struct device *dev, struct lvts_ctrl *lvts_ctrl)
return PTR_ERR(tz);
}

+ if (devm_thermal_add_hwmon_sysfs(dev, chip->tz_dev))
+ dev_warn(dev, "zone %d: Failed to add hwmon sysfs attributes\n", dt_id);
+
/*
* The thermal zone pointer will be needed in the
* interrupt handler, we store it in the sensor
--
2.40.0.rc1.284.g88254d51c5-goog