Re: [PATCH v5 15/28] media: iris: implement query_cap ioctl

[Hans Verkuil]

On 05/11/2024 07:55, Dikshita Agarwal wrote:
> From: Vedang Nagar <quic_vnagar@xxxxxxxxxxx>
> 
> Implement query_cap ioctl with necessary hooks.
> 
> Signed-off-by: Vedang Nagar <quic_vnagar@xxxxxxxxxxx>
> Signed-off-by: Dikshita Agarwal <quic_dikshita@xxxxxxxxxxx>
> ---
>  drivers/media/platform/qcom/iris/iris_vidc.c | 9 +++++++++
>  1 file changed, 9 insertions(+)
> 
> diff --git a/drivers/media/platform/qcom/iris/iris_vidc.c b/drivers/media/platform/qcom/iris/iris_vidc.c
> index 820d98da3190..e270711b8f6b 100644
> --- a/drivers/media/platform/qcom/iris/iris_vidc.c
> +++ b/drivers/media/platform/qcom/iris/iris_vidc.c
> @@ -303,6 +303,14 @@ static int iris_enum_framesizes(struct file *filp, void *fh,
>  	return 0;
>  }
>  
> +static int iris_querycap(struct file *filp, void *fh, struct v4l2_capability *cap)
> +{
> +	strscpy(cap->driver, IRIS_DRV_NAME, sizeof(cap->driver));
> +	strscpy(cap->card, "iris_decoder", sizeof(cap->card));

The card field is supposed to be a human readable strings, so I
would suggest using "Iris Decoder" instead. Up to you, though.

Regards,

	Hans

> +
> +	return 0;
> +}
> +
>  static int iris_g_selection(struct file *filp, void *fh, struct v4l2_selection *s)
>  {
>  	struct iris_inst *inst = iris_get_inst(filp, NULL);
> @@ -361,6 +369,7 @@ static const struct v4l2_ioctl_ops iris_v4l2_ioctl_ops = {
>  	.vidioc_g_fmt_vid_out_mplane    = iris_g_fmt_vid_mplane,
>  	.vidioc_enum_framesizes         = iris_enum_framesizes,
>  	.vidioc_reqbufs                 = v4l2_m2m_ioctl_reqbufs,
> +	.vidioc_querycap                = iris_querycap,
>  	.vidioc_g_selection             = iris_g_selection,
>  	.vidioc_subscribe_event         = iris_subscribe_event,
>  	.vidioc_unsubscribe_event       = v4l2_event_unsubscribe,
>