diff mbox series

[v2,09/13] media: rcar-csi2: Implement set_routing

Message ID 20211017182449.64192-10-jacopo+renesas@jmondi.org (mailing list archive)
State New
Delegated to: Kieran Bingham
Headers show
Series media: Add multiplexed support to R-Car CSI-2 and GMSL | expand

Commit Message

Jacopo Mondi Oct. 17, 2021, 6:24 p.m. UTC
Add the set_routing() subdev operation to allow userspace to configure
routing on the R-Car CSI-2 receiver.

Signed-off-by: Jacopo Mondi <jacopo+renesas@jmondi.org>
---
 drivers/media/platform/rcar-vin/rcar-csi2.c | 40 +++++++++++++++------
 1 file changed, 29 insertions(+), 11 deletions(-)

Comments

Laurent Pinchart Jan. 23, 2022, 2:13 p.m. UTC | #1
Hi Jacopo,

Thank you for the patch.

On Sun, Oct 17, 2021 at 08:24:45PM +0200, Jacopo Mondi wrote:
> Add the set_routing() subdev operation to allow userspace to configure
> routing on the R-Car CSI-2 receiver.
> 
> Signed-off-by: Jacopo Mondi <jacopo+renesas@jmondi.org>
> ---
>  drivers/media/platform/rcar-vin/rcar-csi2.c | 40 +++++++++++++++------
>  1 file changed, 29 insertions(+), 11 deletions(-)
> 
> diff --git a/drivers/media/platform/rcar-vin/rcar-csi2.c b/drivers/media/platform/rcar-vin/rcar-csi2.c
> index a74087b49e71..451a6da26e03 100644
> --- a/drivers/media/platform/rcar-vin/rcar-csi2.c
> +++ b/drivers/media/platform/rcar-vin/rcar-csi2.c
> @@ -752,6 +752,33 @@ static int rcsi2_get_pad_format(struct v4l2_subdev *sd,
>  	return 0;
>  }
>  
> +static int _rcsi2_set_routing(struct v4l2_subdev *sd,

__ is more customary.

Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>

> +			      struct v4l2_subdev_state *state,
> +			      struct v4l2_subdev_krouting *routing)
> +{
> +	int ret;
> +
> +	ret = v4l2_routing_simple_verify(routing);
> +	if (ret)
> +		return ret;
> +
> +	state = v4l2_subdev_validate_and_lock_state(sd, state);
> +
> +	ret = v4l2_subdev_set_routing(sd, state, routing);
> +
> +	v4l2_subdev_unlock_state(state);
> +
> +	return ret;
> +}
> +
> +static int rcsi2_set_routing(struct v4l2_subdev *sd,
> +			     struct v4l2_subdev_state *state,
> +			     enum v4l2_subdev_format_whence which,
> +			     struct v4l2_subdev_krouting *routing)
> +{
> +	return _rcsi2_set_routing(sd, state, routing);
> +}
> +
>  static int rcsi2_init_cfg(struct v4l2_subdev *sd,
>  			  struct v4l2_subdev_state *state)
>  {
> @@ -792,17 +819,7 @@ static int rcsi2_init_cfg(struct v4l2_subdev *sd,
>  		.routes = routes,
>  	};
>  
> -	int ret = v4l2_routing_simple_verify(&routing);
> -	if (ret)
> -		return ret;
> -
> -	state = v4l2_subdev_validate_and_lock_state(sd, state);
> -
> -	ret = v4l2_subdev_set_routing(sd, state, &routing);
> -
> -	v4l2_subdev_unlock_state(state);
> -
> -	return ret;
> +	return _rcsi2_set_routing(sd, state, &routing);
>  }
>  
>  static const struct v4l2_subdev_video_ops rcar_csi2_video_ops = {
> @@ -813,6 +830,7 @@ static const struct v4l2_subdev_pad_ops rcar_csi2_pad_ops = {
>  	.init_cfg = rcsi2_init_cfg,
>  	.set_fmt = rcsi2_set_pad_format,
>  	.get_fmt = rcsi2_get_pad_format,
> +	.set_routing = rcsi2_set_routing,
>  };
>  
>  static const struct v4l2_subdev_ops rcar_csi2_subdev_ops = {
diff mbox series

Patch

diff --git a/drivers/media/platform/rcar-vin/rcar-csi2.c b/drivers/media/platform/rcar-vin/rcar-csi2.c
index a74087b49e71..451a6da26e03 100644
--- a/drivers/media/platform/rcar-vin/rcar-csi2.c
+++ b/drivers/media/platform/rcar-vin/rcar-csi2.c
@@ -752,6 +752,33 @@  static int rcsi2_get_pad_format(struct v4l2_subdev *sd,
 	return 0;
 }
 
+static int _rcsi2_set_routing(struct v4l2_subdev *sd,
+			      struct v4l2_subdev_state *state,
+			      struct v4l2_subdev_krouting *routing)
+{
+	int ret;
+
+	ret = v4l2_routing_simple_verify(routing);
+	if (ret)
+		return ret;
+
+	state = v4l2_subdev_validate_and_lock_state(sd, state);
+
+	ret = v4l2_subdev_set_routing(sd, state, routing);
+
+	v4l2_subdev_unlock_state(state);
+
+	return ret;
+}
+
+static int rcsi2_set_routing(struct v4l2_subdev *sd,
+			     struct v4l2_subdev_state *state,
+			     enum v4l2_subdev_format_whence which,
+			     struct v4l2_subdev_krouting *routing)
+{
+	return _rcsi2_set_routing(sd, state, routing);
+}
+
 static int rcsi2_init_cfg(struct v4l2_subdev *sd,
 			  struct v4l2_subdev_state *state)
 {
@@ -792,17 +819,7 @@  static int rcsi2_init_cfg(struct v4l2_subdev *sd,
 		.routes = routes,
 	};
 
-	int ret = v4l2_routing_simple_verify(&routing);
-	if (ret)
-		return ret;
-
-	state = v4l2_subdev_validate_and_lock_state(sd, state);
-
-	ret = v4l2_subdev_set_routing(sd, state, &routing);
-
-	v4l2_subdev_unlock_state(state);
-
-	return ret;
+	return _rcsi2_set_routing(sd, state, &routing);
 }
 
 static const struct v4l2_subdev_video_ops rcar_csi2_video_ops = {
@@ -813,6 +830,7 @@  static const struct v4l2_subdev_pad_ops rcar_csi2_pad_ops = {
 	.init_cfg = rcsi2_init_cfg,
 	.set_fmt = rcsi2_set_pad_format,
 	.get_fmt = rcsi2_get_pad_format,
+	.set_routing = rcsi2_set_routing,
 };
 
 static const struct v4l2_subdev_ops rcar_csi2_subdev_ops = {