Hi Prabhakar

On Mon, 22 Apr 2013, Prabhakar Lad wrote:

> From: Lad, Prabhakar <prabhakar.cse...@gmail.com>
> 
> Both synchronous and asynchronous adv7343 subdevice probing is supported by
> this patch.
> 
> Signed-off-by: Lad, Prabhakar <prabhakar.cse...@gmail.com>
> Cc: Guennadi Liakhovetski <g.liakhovet...@gmx.de>
> Cc: Laurent Pinchart <laurent.pinch...@ideasonboard.com>
> Cc: Hans Verkuil <hverk...@xs4all.nl>
> Cc: Sakari Ailus <sakari.ai...@iki.fi>
> Cc: Mauro Carvalho Chehab <mche...@redhat.com>
> ---
>  drivers/media/i2c/adv7343.c |   17 +++++++++++++----
>  1 files changed, 13 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/media/i2c/adv7343.c b/drivers/media/i2c/adv7343.c
> index 9fc2b98..5b1417b 100644
> --- a/drivers/media/i2c/adv7343.c
> +++ b/drivers/media/i2c/adv7343.c
> @@ -27,6 +27,7 @@
>  #include <linux/uaccess.h>
>  
>  #include <media/adv7343.h>
> +#include <media/v4l2-async.h>
>  #include <media/v4l2-device.h>
>  #include <media/v4l2-chip-ident.h>
>  #include <media/v4l2-ctrls.h>
> @@ -44,6 +45,7 @@ struct adv7343_state {
>       struct v4l2_subdev sd;
>       struct v4l2_ctrl_handler hdl;
>       const struct adv7343_platform_data *pdata;
> +     struct v4l2_async_subdev_list   asdl;

Do you still need this? Don't think it's needed any more with the latest 
V4L2-async version.

Thanks
Guennadi

>       u8 reg00;
>       u8 reg01;
>       u8 reg02;
> @@ -455,16 +457,22 @@ static int adv7343_probe(struct i2c_client *client,
>                                      ADV7343_GAIN_DEF);
>       state->sd.ctrl_handler = &state->hdl;
>       if (state->hdl.error) {
> -             int err = state->hdl.error;
> -
> -             v4l2_ctrl_handler_free(&state->hdl);
> -             return err;
> +             err = state->hdl.error;
> +             goto done;
>       }
>       v4l2_ctrl_handler_setup(&state->hdl);
>  
>       err = adv7343_initialize(&state->sd);
>       if (err)
> +             goto done;
> +
> +     state->sd.dev = &client->dev;
> +     err = v4l2_async_register_subdev(&state->sd);
> +
> +done:
> +     if (err < 0)
>               v4l2_ctrl_handler_free(&state->hdl);
> +
>       return err;
>  }
>  
> @@ -473,6 +481,7 @@ static int adv7343_remove(struct i2c_client *client)
>       struct v4l2_subdev *sd = i2c_get_clientdata(client);
>       struct adv7343_state *state = to_state(sd);
>  
> +     v4l2_async_unregister_subdev(&state->sd);
>       v4l2_device_unregister_subdev(sd);
>       v4l2_ctrl_handler_free(&state->hdl);
>  
> -- 
> 1.7.4.1
> 

---
Guennadi Liakhovetski, Ph.D.
Freelance Open-Source Software Developer
http://www.open-technology.de/
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Reply via email to