linux-kernel - [PATCH v4 30/36] media: imx: update capture dev format on IDMAC output pad set

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Date:   Wed, 15 Feb 2017 18:19:32 -0800
From:   Steve Longerbeam <slongerbeam@...il.com>
To:     robh+dt@...nel.org, mark.rutland@....com, shawnguo@...nel.org,
        kernel@...gutronix.de, fabio.estevam@....com,
        linux@...linux.org.uk, mchehab@...nel.org, hverkuil@...all.nl,
        nick@...anahar.org, markus.heiser@...marIT.de,
        p.zabel@...gutronix.de, laurent.pinchart+renesas@...asonboard.com,
        bparrot@...com, geert@...ux-m68k.org, arnd@...db.de,
        sudipm.mukherjee@...il.com, minghsiu.tsai@...iatek.com,
        tiffany.lin@...iatek.com, jean-christophe.trotin@...com,
        horms+renesas@...ge.net.au, niklas.soderlund+renesas@...natech.se,
        robert.jarzmik@...e.fr, songjun.wu@...rochip.com,
        andrew-ct.chen@...iatek.com, gregkh@...uxfoundation.org,
        shuah@...nel.org, sakari.ailus@...ux.intel.com, pavel@....cz
Cc:     devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-media@...r.kernel.org,
        devel@...verdev.osuosl.org,
        Steve Longerbeam <steve_longerbeam@...tor.com>
Subject: [PATCH v4 30/36] media: imx: update capture dev format on IDMAC output pad set_fmt

When configuring the IDMAC output pad formats (in ipu_csi,
ipu_ic_prpenc, and ipu_ic_prpvf subdevs), the attached capture
device format must also be updated.

Signed-off-by: Steve Longerbeam <steve_longerbeam@...tor.com>
Suggested-by: Philipp Zabel <p.zabel@...gutronix.de>
---
 drivers/staging/media/imx/imx-ic-prpencvf.c | 9 +++++++++
 drivers/staging/media/imx/imx-media-csi.c   | 9 +++++++++
 2 files changed, 18 insertions(+)

diff --git a/drivers/staging/media/imx/imx-ic-prpencvf.c b/drivers/staging/media/imx/imx-ic-prpencvf.c
index 2be8845..6e45975 100644
--- a/drivers/staging/media/imx/imx-ic-prpencvf.c
+++ b/drivers/staging/media/imx/imx-ic-prpencvf.c
@@ -739,6 +739,7 @@ static int prp_set_fmt(struct v4l2_subdev *sd,
 		       struct v4l2_subdev_format *sdformat)
 {
 	struct prp_priv *priv = sd_to_priv(sd);
+	struct imx_media_video_dev *vdev = priv->vdev;
 	const struct imx_media_pixfmt *cc;
 	struct v4l2_mbus_framefmt *infmt;
 	u32 code;
@@ -800,6 +801,14 @@ static int prp_set_fmt(struct v4l2_subdev *sd,
 	} else {
 		priv->format_mbus[sdformat->pad] = sdformat->format;
 		priv->cc[sdformat->pad] = cc;
+		if (sdformat->pad == PRPENCVF_SRC_PAD) {
+			/*
+			 * update the capture device format if this is
+			 * the IDMAC output pad
+			 */
+			imx_media_mbus_fmt_to_pix_fmt(&vdev->fmt.fmt.pix,
+						      &sdformat->format, cc);
+		}
 	}
 
 	return 0;
diff --git a/drivers/staging/media/imx/imx-media-csi.c b/drivers/staging/media/imx/imx-media-csi.c
index 3cb97e2..63555dc 100644
--- a/drivers/staging/media/imx/imx-media-csi.c
+++ b/drivers/staging/media/imx/imx-media-csi.c
@@ -866,6 +866,7 @@ static int csi_set_fmt(struct v4l2_subdev *sd,
 		       struct v4l2_subdev_format *sdformat)
 {
 	struct csi_priv *priv = v4l2_get_subdevdata(sd);
+	struct imx_media_video_dev *vdev = priv->vdev;
 	const struct imx_media_pixfmt *cc, *incc;
 	struct v4l2_mbus_framefmt *infmt;
 	struct imx_media_subdev *sensor;
@@ -980,6 +981,14 @@ static int csi_set_fmt(struct v4l2_subdev *sd,
 		/* Reset the crop window if this is the input pad */
 		if (sdformat->pad == CSI_SINK_PAD)
 			priv->crop = crop;
+		else if (sdformat->pad == CSI_SRC_PAD_IDMAC) {
+			/*
+			 * update the capture device format if this is
+			 * the IDMAC output pad
+			 */
+			imx_media_mbus_fmt_to_pix_fmt(&vdev->fmt.fmt.pix,
+						      &sdformat->format, cc);
+		}
 	}
 
 	return 0;
-- 
2.7.4