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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>
This commit is contained in:
Dmitry Osipenko 2021-06-19 00:54:53 +03:00 committed by Guenter Roeck
parent d97fb837b8
commit 94dbd23ed8
1 changed files with 33 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

44
drivers/hwmon/lm90.c
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@ -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");
}
}