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authorhe, bo <bo.he@intel.com>2019-03-06 10:32:20 +0800
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-04-27 09:34:42 +0200
commitd38f661e8c816bf170304e74231ae416631f2d8d (patch)
treeecda6c86c6643e2f4a2fd624457095587af24c84 /drivers/iio
parentb36557f8fa5ae8dedf43d8b390af38ebdb7b96b2 (diff)
io: accel: kxcjk1013: restore the range after resume.
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>
Diffstat (limited to 'drivers/iio')
-rw-r--r--drivers/iio/accel/kxcjk-1013.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/iio/accel/kxcjk-1013.c b/drivers/iio/accel/kxcjk-1013.c
index 784636800361..780f886ccbfe 100644
--- a/drivers/iio/accel/kxcjk-1013.c
+++ b/drivers/iio/accel/kxcjk-1013.c
@@ -1340,6 +1340,8 @@ 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;