media: staging: media: imx: imx7-media-csi: Inline imx_media_pipeline_pad()

Inline the imx_media_pipeline_pad() helper, dropping all the code unused
by the imx7-media-csi driver.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Rui Miguel Silva <rmfrfs@gmail.com>
Tested-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>

diff --git a/drivers/staging/media/imx/imx7-media-csi.c b/drivers/staging/media/imx/imx7-media-csi.c
index 77a62d7..96854f2 100644 (file)
--- a/drivers/staging/media/imx/imx7-media-csi.c
+++ b/drivers/staging/media/imx/imx7-media-csi.c
@@ -1605,7 +1605,8 @@ static int imx7_csi_pad_link_validate(struct v4l2_subdev *sd,
        struct imx7_csi *csi = v4l2_get_subdevdata(sd);
        struct imx_media_video_dev *vdev = &csi->vdev;
        const struct v4l2_pix_format *out_pix = &vdev->fmt;
-       struct media_pad *pad;
+       struct media_pad *pad = NULL;
+       unsigned int i;
        int ret;
 
        if (!csi->src_sd)
@@ -1627,7 +1628,17 @@ static int imx7_csi_pad_link_validate(struct v4l2_subdev *sd,
 
        case MEDIA_ENT_F_VID_MUX:
                /* The input is the mux, check its input. */
-               pad = imx_media_pipeline_pad(&csi->src_sd->entity, 0, 0, true);
+               for (i = 0; i < csi->src_sd->entity.num_pads; i++) {
+                       struct media_pad *spad = &csi->src_sd->entity.pads[i];
+
+                       if (!(spad->flags & MEDIA_PAD_FL_SINK))
+                               continue;
+
+                       pad = media_entity_remote_pad(spad);
+                       if (pad)
+                               break;
+               }
+
                if (!pad)
                        return -ENODEV;