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

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Message-Id: <20230613112444.48042-10-frank.li@vivo.com>
Date:   Tue, 13 Jun 2023 19:24:43 +0800
From:   Yangtao Li <frank.li@...o.com>
To:     glaroque@...libre.com, rafael@...nel.org,
        daniel.lezcano@...aro.org, amitk@...nel.org, rui.zhang@...el.com,
        shawnguo@...nel.org, s.hauer@...gutronix.de, kernel@...gutronix.de,
        festevam@...il.com, linux-imx@....com, agross@...nel.org,
        andersson@...nel.org, konrad.dybcio@...aro.org,
        thara.gopinath@...il.com, anarsoul@...il.com,
        tiny.windzz@...il.com, wens@...e.org, jernej.skrabec@...il.com,
        samuel@...lland.org, thierry.reding@...il.com,
        jonathanh@...dia.com, edubezval@...il.com, j-keerthy@...com,
        f.fainelli@...il.com
Cc:     linux-pm@...r.kernel.org, linux-amlogic@...ts.infradead.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-arm-msm@...r.kernel.org, linux-sunxi@...ts.linux.dev,
        linux-tegra@...r.kernel.org, linux-omap@...r.kernel.org,
        Chen-Yu Tsai <wenst@...omium.org>,
        Yangtao Li <frank.li@...o.com>
Subject: [PATCH v2 10/11] thermal/drivers/generic-adc: Register thermal zones as hwmon sensors

From: Chen-Yu Tsai <wenst@...omium.org>

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

Signed-off-by: Chen-Yu Tsai <wenst@...omium.org>
[Yangtao change to use dev_warn]
Signed-off-by: Yangtao Li <frank.li@...o.com>
---
 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..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;
 }
 
-- 
2.39.0