hwmon: (lm90) Use hwmon_notify_event()

Use hwmon_notify_event() to notify userspace and thermal core about
temperature changes.

Suggested-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>

diff --git a/drivers/hwmon/lm90.c b/drivers/hwmon/lm90.c
index 2e057fa..e7b678a 100644 (file)
--- a/drivers/hwmon/lm90.c
+++ b/drivers/hwmon/lm90.c
@@ -465,6 +465,7 @@ enum lm90_temp11_reg_index {
 
 struct lm90_data {
        struct i2c_client *client;
+       struct device *hwmon_dev;
        u32 channel_config[4];
        struct hwmon_channel_info temp_info;
        const struct hwmon_channel_info *info[3];
@@ -1731,22 +1732,41 @@ static bool lm90_is_tripped(struct i2c_client *client, u16 *status)
 
        if ((st & (LM90_STATUS_LLOW | LM90_STATUS_LHIGH | LM90_STATUS_LTHRM)) ||
            (st2 & MAX6696_STATUS2_LOT2))
-               dev_warn(&client->dev,
-                        "temp%d out of range, please check!\n", 1);
+               dev_dbg(&client->dev,
+                       "temp%d out of range, please check!\n", 1);
        if ((st & (LM90_STATUS_RLOW | LM90_STATUS_RHIGH | LM90_STATUS_RTHRM)) ||
            (st2 & MAX6696_STATUS2_ROT2))
-               dev_warn(&client->dev,
-                        "temp%d out of range, please check!\n", 2);
+               dev_dbg(&client->dev,
+                       "temp%d out of range, please check!\n", 2);
        if (st & LM90_STATUS_ROPEN)
-               dev_warn(&client->dev,
-                        "temp%d diode open, please check!\n", 2);
+               dev_dbg(&client->dev,
+                       "temp%d diode open, please check!\n", 2);
        if (st2 & (MAX6696_STATUS2_R2LOW | MAX6696_STATUS2_R2HIGH |
                   MAX6696_STATUS2_R2THRM | MAX6696_STATUS2_R2OT2))
-               dev_warn(&client->dev,
-                        "temp%d out of range, please check!\n", 3);
+               dev_dbg(&client->dev,
+                       "temp%d out of range, please check!\n", 3);
        if (st2 & MAX6696_STATUS2_R2OPEN)
-               dev_warn(&client->dev,
-                        "temp%d diode open, please check!\n", 3);
+               dev_dbg(&client->dev,
+                       "temp%d diode open, please check!\n", 3);
+
+       if (st & LM90_STATUS_LLOW)
+               hwmon_notify_event(data->hwmon_dev, hwmon_temp,
+                                  hwmon_temp_min, 0);
+       if (st & LM90_STATUS_RLOW)
+               hwmon_notify_event(data->hwmon_dev, hwmon_temp,
+                                  hwmon_temp_min, 1);
+       if (st2 & MAX6696_STATUS2_R2LOW)
+               hwmon_notify_event(data->hwmon_dev, hwmon_temp,
+                                  hwmon_temp_min, 2);
+       if (st & LM90_STATUS_LHIGH)
+               hwmon_notify_event(data->hwmon_dev, hwmon_temp,
+                                  hwmon_temp_max, 0);
+       if (st & LM90_STATUS_RHIGH)
+               hwmon_notify_event(data->hwmon_dev, hwmon_temp,
+                                  hwmon_temp_max, 1);
+       if (st2 & MAX6696_STATUS2_R2HIGH)
+               hwmon_notify_event(data->hwmon_dev, hwmon_temp,
+                                  hwmon_temp_max, 2);
 
        return true;
 }
@@ -1904,6 +1924,8 @@ static int lm90_probe(struct i2c_client *client)
        if (IS_ERR(hwmon_dev))
                return PTR_ERR(hwmon_dev);
 
+       data->hwmon_dev = hwmon_dev;
+
        if (client->irq) {
                dev_dbg(dev, "IRQ: %d\n", client->irq);
                err = devm_request_threaded_irq(dev, client->irq,
@@ -1940,7 +1962,7 @@ static void lm90_alert(struct i2c_client *client, enum i2c_alert_protocol type,
                        lm90_update_confreg(data, data->config | 0x80);
                }
        } else {
-               dev_info(&client->dev, "Everything OK\n");
+               dev_dbg(&client->dev, "Everything OK\n");
        }
 }