Commit 2b3d1d87 authored Apr 14, 2010 by Jean Delvare

hwmon: (it87) Invalidate cache on temperature sensor change



When any temperature sensor type is changed, the corresponding
temperature value needs to be updated. The register caching mechanism
may delay this update, so we want to invalidate the cache to force an
immediate update.

Signed-off-by: Jean Delvare <khali@linux-fr.org>

parent 8acf07c5

drivers/hwmon/it87.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -563,6 +563,7 @@ static ssize_t set_sensor(struct device dev, struct device_attribute attr,
		mutex_lock(&data->update_lock);
		data->sensor = reg;
		it87_write_value(data, IT87_REG_TEMP_ENABLE, data->sensor);
		data->valid = 0; /* Force cache refresh */
		mutex_unlock(&data->update_lock);
		return count;
		}