Re: [PATCH 1/3] media: imx274: don't declare events, they are not implemented

From: Sakari Ailus
Date: Tue Nov 27 2018 - 03:39:05 EST


Hi Luca,

On Tue, Nov 27, 2018 at 09:34:43AM +0100, Luca Ceresoli wrote:
> The V4L2_SUBDEV_FL_HAS_EVENTS flag should not be set, event are just
> not implemented.
>
> Signed-off-by: Luca Ceresoli <luca@xxxxxxxxxxxxxxxx>

The driver supports controls, and so control events can be subscribed and
received by the user. Therefore I don't see a reason to remove the flag.

> ---
> drivers/media/i2c/imx274.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/media/i2c/imx274.c b/drivers/media/i2c/imx274.c
> index 95a0e7d9851a..78746c51071d 100644
> --- a/drivers/media/i2c/imx274.c
> +++ b/drivers/media/i2c/imx274.c
> @@ -1878,7 +1878,7 @@ static int imx274_probe(struct i2c_client *client,
> imx274->client = client;
> sd = &imx274->sd;
> v4l2_i2c_subdev_init(sd, client, &imx274_subdev_ops);
> - sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE | V4L2_SUBDEV_FL_HAS_EVENTS;
> + sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
>
> /* initialize subdev media pad */
> imx274->pad.flags = MEDIA_PAD_FL_SOURCE;

--
Sakari Ailus
sakari.ailus@xxxxxxxxxxxxxxx