Re: [PATCH 3/4] rcar-vin: Stop stream when subdevice signal EOS

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Hi Niklas,

On Thu, Nov 12, 2020 at 11:51:46PM +0100, Niklas Söderlund wrote:
> When a subdevice signals end of stream stop the VIN in addition to
> informing user-space of the event.
>
> Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@xxxxxxxxxxxx>
> ---
>  drivers/media/platform/rcar-vin/rcar-v4l2.c | 16 +++++++++++++++-
>  1 file changed, 15 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/media/platform/rcar-vin/rcar-v4l2.c b/drivers/media/platform/rcar-vin/rcar-v4l2.c
> index dca3ab1656a66cef..fcaf68c3428b80fd 100644
> --- a/drivers/media/platform/rcar-vin/rcar-v4l2.c
> +++ b/drivers/media/platform/rcar-vin/rcar-v4l2.c
> @@ -969,9 +969,23 @@ void rvin_v4l2_unregister(struct rvin_dev *vin)
>  static void rvin_notify_video_device(struct rvin_dev *vin,
>  				     unsigned int notification, void *arg)
>  {
> +	const struct v4l2_event *event;
> +

Can this go inside the switch ?

>  	switch (notification) {
>  	case V4L2_DEVICE_NOTIFY_EVENT:
> -		v4l2_event_queue(&vin->vdev, arg);
> +		event = arg;
> +
> +		switch (event->type) {
> +		case V4L2_EVENT_EOS:

As there's only a case where this happen, this could be an if, but I
see a switch is consistent with the existing one. Up to you.

Reviewed-by: Jacopo Mondi <jacopo+renesas@xxxxxxxxxx>

Thanks
   j

> +			rvin_stop_streaming(vin);
> +			v4l2_info(&vin->v4l2_dev,
> +				  "Subdevice signaled end of stream, stopping.\n");
> +			break;
> +		default:
> +			break;
> +		}
> +
> +		v4l2_event_queue(&vin->vdev, event);
>  		break;
>  	default:
>  		break;
> --
> 2.29.2
>



[Index of Archives]     [Linux Samsung SOC]     [Linux Wireless]     [Linux Kernel]     [ATH6KL]     [Linux Bluetooth]     [Linux Netdev]     [Kernel Newbies]     [IDE]     [Security]     [Git]     [Netfilter]     [Bugtraq]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Linux ATA RAID]     [Samba]     [Device Mapper]

  Powered by Linux