From: Hans Verkuil <hans.verkuil@xxxxxxxxx>
Add v4l2-async support for this driver.
Signed-off-by: Hans Verkuil <hans.verkuil@xxxxxxxxx>
---
drivers/media/i2c/ov7670.c | 21 +++++++++++++++------
1 file changed, 15 insertions(+), 6 deletions(-)
diff --git a/drivers/media/i2c/ov7670.c b/drivers/media/i2c/ov7670.c
index b0315bb..3f0522f 100644
--- a/drivers/media/i2c/ov7670.c
+++ b/drivers/media/i2c/ov7670.c
@@ -1641,18 +1641,15 @@ static int ov7670_probe(struct i2c_client *client,
if (info->hdl.error) {
int err = info->hdl.error;
- v4l2_ctrl_handler_free(&info->hdl);
- return err;
+ goto fail;
}
#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) {
- v4l2_ctrl_handler_free(&info->hdl);
- return ret;
- }
+ if (ret < 0)
+ goto fail;
#endif
/*
* We have checked empirically that hw allows to read back the gain
@@ -1664,7 +1661,19 @@ static int ov7670_probe(struct i2c_client *client,
v4l2_ctrl_cluster(2, &info->saturation);
v4l2_ctrl_handler_setup(&info->hdl);
+ ret = v4l2_async_register_subdev(&info->sd);
+ if (ret < 0) {
+#if defined(CONFIG_MEDIA_CONTROLLER)
+ media_entity_cleanup(&info->sd.entity);
+#endif
+ goto fail;
+ }
+
return 0;
+
+fail:
+ v4l2_ctrl_handler_free(&info->hdl);
+ return ret;
}
--
2.10.2
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