From: Laurent Pinchart Date: Sat, 20 Oct 2012 20:47:22 +0000 (-0300) Subject: [media] v4l: Don't warn during link validation when encountering a V4L2 devnode X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=864a121274c70fe9a1767db28bd86f5e5d0016a1;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git [media] v4l: Don't warn during link validation when encountering a V4L2 devnode v4l2_subdev_link_validate_get_format() retrieves the remote pad format depending on the entity type and prints a warning if the entity type is not supported. The type check doesn't take the subtype into account, and thus always prints a warning for device node types, even when supported. Fix it. Signed-off-by: Laurent Pinchart Acked-by: Sakari Ailus Signed-off-by: Mauro Carvalho Chehab --- diff --git a/drivers/media/v4l2-core/v4l2-subdev.c b/drivers/media/v4l2-core/v4l2-subdev.c index dced41c1d993..996c248dea42 100644 --- a/drivers/media/v4l2-core/v4l2-subdev.c +++ b/drivers/media/v4l2-core/v4l2-subdev.c @@ -412,20 +412,20 @@ static int v4l2_subdev_link_validate_get_format(struct media_pad *pad, struct v4l2_subdev_format *fmt) { - switch (media_entity_type(pad->entity)) { - case MEDIA_ENT_T_V4L2_SUBDEV: + if (media_entity_type(pad->entity) == MEDIA_ENT_T_V4L2_SUBDEV) { + struct v4l2_subdev *sd = + media_entity_to_v4l2_subdev(pad->entity); + fmt->which = V4L2_SUBDEV_FORMAT_ACTIVE; fmt->pad = pad->index; - return v4l2_subdev_call(media_entity_to_v4l2_subdev( - pad->entity), - pad, get_fmt, NULL, fmt); - default: - WARN(1, "Driver bug! Wrong media entity type %d, entity %s\n", - media_entity_type(pad->entity), pad->entity->name); - /* Fall through */ - case MEDIA_ENT_T_DEVNODE_V4L: - return -EINVAL; + return v4l2_subdev_call(sd, pad, get_fmt, NULL, fmt); } + + WARN(pad->entity->type != MEDIA_ENT_T_DEVNODE_V4L, + "Driver bug! Wrong media entity type 0x%08x, entity %s\n", + pad->entity->type, pad->entity->name); + + return -EINVAL; } int v4l2_subdev_link_validate(struct media_link *link)