[media] s5c73m3: Add missing subdev .unregistered callback

This is needed to free any resources requested in
the .registered subdev op.

Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 7 insertions, 0 deletions

diff --git a/drivers/media/i2c/s5c73m3/s5c73m3-core.c b/drivers/media/i2c/s5c73m3/s5c73m3-core.c
index ce8fcf22253a..cb52438e53ac 100644
--- a/drivers/media/i2c/s5c73m3/s5c73m3-core.c
+++ b/drivers/media/i2c/s5c73m3/s5c73m3-core.c
@@ -1457,6 +1457,12 @@ static int s5c73m3_oif_registered(struct v4l2_subdev *sd)
         return ret;
 }
 
+static void s5c73m3_oif_unregistered(struct v4l2_subdev *sd)
+{
+        struct s5c73m3 *state = oif_sd_to_s5c73m3(sd);
+        v4l2_device_unregister_subdev(&state->sensor_sd);
+}
+
 static const struct v4l2_subdev_internal_ops s5c73m3_internal_ops = {
         .open           = s5c73m3_open,
 };
@@ -1474,6 +1480,7 @@ static const struct v4l2_subdev_ops s5c73m3_subdev_ops = {
 
 static const struct v4l2_subdev_internal_ops oif_internal_ops = {
         .registered     = s5c73m3_oif_registered,
+        .unregistered   = s5c73m3_oif_unregistered,
         .open           = s5c73m3_oif_open,
 };