linux-kernel - [PATCH] thermal/drivers/generic-adc: Register thermal zones as hwmon sensors

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Message-ID: <20230613093054.2067340-1-wenst@chromium.org>
Date:   Tue, 13 Jun 2023 17:30:52 +0800
From:   Chen-Yu Tsai <wenst@...omium.org>
To:     "Rafael J. Wysocki" <rafael@...nel.org>,
        Daniel Lezcano <daniel.lezcano@...aro.org>,
        Amit Kucheria <amitk@...nel.org>,
        Zhang Rui <rui.zhang@...el.com>
Cc:     Chen-Yu Tsai <wenst@...omium.org>, linux-pm@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>
Subject: [PATCH] thermal/drivers/generic-adc: Register thermal zones as hwmon sensors

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

Signed-off-by: Chen-Yu Tsai <wenst@...omium.org>
---
 drivers/thermal/thermal-generic-adc.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/drivers/thermal/thermal-generic-adc.c b/drivers/thermal/thermal-generic-adc.c
index 017b0ce52122..e95dc354f192 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_err(&pdev->dev, "Failed to add hwmon sysfs attributes\n");
+		return ret;
+	}
+
 	return 0;
 }
 
-- 
2.41.0.162.gfafddb0af9-goog