linux-kernel - [PATCH 01/40] hwmon: (lm90) Generate sysfs and udev events for all alarms

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Date:   Wed, 25 May 2022 06:56:30 -0700
From:   Guenter Roeck <linux@...ck-us.net>
To:     linux-hwmon@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org, Jean Delvare <jdelvare@...e.com>,
        Slawomir Stepien <sst@...zta.fm>,
        Guenter Roeck <linux@...ck-us.net>
Subject: [PATCH 01/40] hwmon: (lm90) Generate sysfs and udev events for all alarms

So far the driver only generated sysfs and udev events for minimum and
maximum alarms. Also generate events for critical and emergency alarms.

Signed-off-by: Guenter Roeck <linux@...ck-us.net>
---
 drivers/hwmon/lm90.c | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/drivers/hwmon/lm90.c b/drivers/hwmon/lm90.c
index 3820f0e61510..83d027c134be 100644
--- a/drivers/hwmon/lm90.c
+++ b/drivers/hwmon/lm90.c
@@ -1829,6 +1829,26 @@ static bool lm90_is_tripped(struct i2c_client *client, u16 *status)
 		hwmon_notify_event(data->hwmon_dev, hwmon_temp,
 				   hwmon_temp_max_alarm, 2);
 
+	if (st & LM90_STATUS_LTHRM)
+		hwmon_notify_event(hwmon_dev, hwmon_temp,
+				   hwmon_temp_crit_alarm, 0);
+	if (st & LM90_STATUS_RTHRM)
+		hwmon_notify_event(hwmon_dev, hwmon_temp,
+				   hwmon_temp_crit_alarm, 1);
+	if (st2 & MAX6696_STATUS2_R2THRM)
+		hwmon_notify_event(hwmon_dev, hwmon_temp,
+				   hwmon_temp_crit_alarm, 2);
+
+	if (st2 & MAX6696_STATUS2_LOT2)
+		hwmon_notify_event(hwmon_dev, hwmon_temp,
+				   hwmon_temp_emergency_alarm, 0);
+	if (st2 & MAX6696_STATUS2_ROT2)
+		hwmon_notify_event(hwmon_dev, hwmon_temp,
+				   hwmon_temp_emergency_alarm, 1);
+	if (st2 & MAX6696_STATUS2_R2OT2)
+		hwmon_notify_event(hwmon_dev, hwmon_temp,
+				   hwmon_temp_emergency_alarm, 2);
+
 	return true;
 }
 
-- 
2.35.1