[PATCH v1 04/12] media: i2c: mt9m111: Add source pad

[Jacopo Mondi]

Add a single source pad to mt9m111 media entity.

Signed-off-by: Jacopo Mondi <jacopo+rene...@jmondi.org>
---
 drivers/media/i2c/mt9m111.c | 17 ++++++++++++++++-
 1 file changed, 16 insertions(+), 1 deletion(-)

diff --git a/drivers/media/i2c/mt9m111.c b/drivers/media/i2c/mt9m111.c
index 8e86d51..7e70969 100644
--- a/drivers/media/i2c/mt9m111.c
+++ b/drivers/media/i2c/mt9m111.c
@@ -141,6 +141,8 @@
 #define MT9M111_MAX_HEIGHT     1024
 #define MT9M111_MAX_WIDTH      1280
 
+#define MT9M111_MEDIA_PAD      1
+
 struct mt9m111_context {
        u16 read_mode;
        u16 blanking_h;
@@ -215,6 +217,8 @@ struct mt9m111 {
        int power_count;
        const struct mt9m111_datafmt *fmt;
        int lastpage;   /* PageMap cache value */
+
+       struct media_pad pad;
 };
 
 /* Find a data format by a pixel code */
@@ -963,13 +967,23 @@ static int mt9m111_probe(struct i2c_client *client,
        if (ret < 0)
                goto out_hdlfree;
 
+       mt9m111->pad.flags = MEDIA_PAD_FL_SOURCE;
+       ret = media_entity_pads_init(&mt9m111->subdev.entity, MT9M111_MEDIA_PAD,
+                                    &mt9m111->pad);
+       if (ret)
+               goto out_hdlfree;
+
        mt9m111->subdev.dev = &client->dev;
+       mt9m111->subdev.flags = V4L2_SUBDEV_FL_HAS_DEVNODE;
+       mt9m111->subdev.entity.function = MEDIA_ENT_F_CAM_SENSOR;
        ret = v4l2_async_register_subdev(&mt9m111->subdev);
        if (ret < 0)
-               goto out_hdlfree;
+               goto out_mediafree;
 
        return 0;
 
+out_mediafree:
+       media_entity_cleanup(&mt9m111->subdev.entity);
 out_hdlfree:
        v4l2_ctrl_handler_free(&mt9m111->hdl);
 out_clkput:
@@ -982,6 +996,7 @@ static int mt9m111_remove(struct i2c_client *client)
 {
        struct mt9m111 *mt9m111 = to_mt9m111(client);
 
+       media_entity_cleanup(&mt9m111->subdev.entity);
        v4l2_async_unregister_subdev(&mt9m111->subdev);
        v4l2_clk_put(mt9m111->clk);
        v4l2_ctrl_handler_free(&mt9m111->hdl);
-- 
2.7.4