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

Message ID 20230315034449.2604197-1-wenst@chromium.org
State Superseded
Headers show
Series [RESEND] thermal/drivers/mediatek/lvts_thermal: Register thermal zones as hwmon sensors | expand

Commit Message

Chen-Yu Tsai March 15, 2023, 3:44 a.m. UTC 
Register thermal zones as hwmon sensors to let userspace read
temperatures using standard hwmon interface.

Signed-off-by: Chen-Yu Tsai <wenst@chromium.org>
---
Resending due to lists.infradead.org outage yesterday.

 drivers/thermal/mediatek/lvts_thermal.c | 5 +++++
 1 file changed, 5 insertions(+)
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Patch

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