media: adv7180: Add init_cfg pad operation

Add a init_cfg pad operation so that configurations allocated with
v4l2_subdev_alloc_pad_config() are initialized.

Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

diff --git a/drivers/media/i2c/adv7180.c b/drivers/media/i2c/adv7180.c
index 6528e23..00159da 100644 (file)
--- a/drivers/media/i2c/adv7180.c
+++ b/drivers/media/i2c/adv7180.c
@@ -749,6 +749,17 @@ static int adv7180_set_pad_format(struct v4l2_subdev *sd,
        return ret;
 }
 
+static int adv7180_init_cfg(struct v4l2_subdev *sd,
+                           struct v4l2_subdev_pad_config *cfg)
+{
+       struct v4l2_subdev_format fmt = {
+               .which = cfg ? V4L2_SUBDEV_FORMAT_TRY
+                       : V4L2_SUBDEV_FORMAT_ACTIVE,
+       };
+
+       return adv7180_set_pad_format(sd, cfg, &fmt);
+}
+
 static int adv7180_g_mbus_config(struct v4l2_subdev *sd,
                                 struct v4l2_mbus_config *cfg)
 {
@@ -854,6 +865,7 @@ static const struct v4l2_subdev_core_ops adv7180_core_ops = {
 };
 
 static const struct v4l2_subdev_pad_ops adv7180_pad_ops = {
+       .init_cfg = adv7180_init_cfg,
        .enum_mbus_code = adv7180_enum_mbus_code,
        .set_fmt = adv7180_set_pad_format,
        .get_fmt = adv7180_get_pad_format,