From: he, bo bo.he@intel.com
commit fe2d3df639a7940a125a33d6460529b9689c5406 upstream.
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 Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
--- drivers/iio/accel/kxcjk-1013.c | 2 ++ 1 file changed, 2 insertions(+)
--- a/drivers/iio/accel/kxcjk-1013.c +++ b/drivers/iio/accel/kxcjk-1013.c @@ -1437,6 +1437,8 @@ static int kxcjk1013_resume(struct devic
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;