io: accel: kxcjk1013: restore the range after resume.
authorhe, bo <bo.he@intel.com>
Wed, 6 Mar 2019 02:32:20 +0000 (10:32 +0800)
committerJonathan Cameron <Jonathan.Cameron@huawei.com>
Sat, 9 Mar 2019 17:30:14 +0000 (17:30 +0000)
On some laptops, kxcjk1013 is powered off when system enters S3. We need
restore the range regiter during resume. Otherwise, the sensor doesn't
work properly after S3.

Signed-off-by: he, bo <bo.he@intel.com>
Signed-off-by: Chen, Hu <hu1.chen@intel.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
drivers/iio/accel/kxcjk-1013.c

index 7096e57..50f3ff3 100644 (file)
@@ -1437,6 +1437,8 @@ static int kxcjk1013_resume(struct device *dev)
 
        mutex_lock(&data->mutex);
        ret = kxcjk1013_set_mode(data, OPERATION);
+       if (ret == 0)
+               ret = kxcjk1013_set_range(data, data->range);
        mutex_unlock(&data->mutex);
 
        return ret;