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media: ov7670: Add entity pads initialization

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Add the media entity pads initialization.

Signed-off-by: Wenyou Yang <wenyou.yang@microchip.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
This commit is contained in:
Wenyou Yang 2017-10-16 05:14:25 +02:00 committed by Mauro Carvalho Chehab
parent 9d2d60687c
commit d94a26f05b
1 changed files with 20 additions and 1 deletions
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21
drivers/media/i2c/ov7670.c
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@ -213,6 +213,9 @@ struct ov7670_devtype {
struct ov7670_format_struct; /* coming later */
struct ov7670_info {
struct v4l2_subdev sd;
#if defined(CONFIG_MEDIA_CONTROLLER)
struct media_pad pad;
#endif
struct v4l2_ctrl_handler hdl;
struct {
/* gain cluster */
@ -1688,14 +1691,27 @@ static int ov7670_probe(struct i2c_client *client,
v4l2_ctrl_auto_cluster(2, &info->auto_exposure,
V4L2_EXPOSURE_MANUAL, false);
v4l2_ctrl_cluster(2, &info->saturation);
#if defined(CONFIG_MEDIA_CONTROLLER)
info->pad.flags = MEDIA_PAD_FL_SOURCE;
info->sd.entity.function = MEDIA_ENT_F_CAM_SENSOR;
ret = media_entity_pads_init(&info->sd.entity, 1, &info->pad);
if (ret < 0)
goto hdl_free;
#endif
v4l2_ctrl_handler_setup(&info->hdl);
ret = v4l2_async_register_subdev(&info->sd);
if (ret < 0)
goto hdl_free;
goto entity_cleanup;
return 0;
entity_cleanup:
#if defined(CONFIG_MEDIA_CONTROLLER)
media_entity_cleanup(&info->sd.entity);
#endif
hdl_free:
v4l2_ctrl_handler_free(&info->hdl);
clk_disable:
@ -1712,6 +1728,9 @@ static int ov7670_remove(struct i2c_client *client)
v4l2_device_unregister_subdev(sd);
v4l2_ctrl_handler_free(&info->hdl);
clk_disable_unprepare(info->clk);
#if defined(CONFIG_MEDIA_CONTROLLER)
media_entity_cleanup(&info->sd.entity);
#endif
return 0;
}