From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from smtp-3.sys.kth.se ([130.237.48.192]:34324 "EHLO smtp-3.sys.kth.se" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754346AbdLNTJY (ORCPT ); Thu, 14 Dec 2017 14:09:24 -0500 From: =?UTF-8?q?Niklas=20S=C3=B6derlund?= To: linux-media@vger.kernel.org, Sakari Ailus Cc: linux-renesas-soc@vger.kernel.org, Laurent Pinchart , Kieran Bingham , Jacopo Mondi , Benoit Parrot , Maxime Ripard , =?UTF-8?q?Niklas=20S=C3=B6derlund?= Subject: [PATCH/RFC v2 14/15] adv748x: csi2: add get_routing support Date: Thu, 14 Dec 2017 20:08:34 +0100 Message-Id: <20171214190835.7672-15-niklas.soderlund+renesas@ragnatech.se> In-Reply-To: <20171214190835.7672-1-niklas.soderlund+renesas@ragnatech.se> References: <20171214190835.7672-1-niklas.soderlund+renesas@ragnatech.se> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-media-owner@vger.kernel.org List-ID: To support multiplexed streams the internal routing between the adv748x sink pad and its source pad needs to be described. Signed-off-by: Niklas Söderlund --- drivers/media/i2c/adv748x/adv748x-csi2.c | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) diff --git a/drivers/media/i2c/adv748x/adv748x-csi2.c b/drivers/media/i2c/adv748x/adv748x-csi2.c index 291b35bef49d41fb..dbefb53f5b8c414d 100644 --- a/drivers/media/i2c/adv748x/adv748x-csi2.c +++ b/drivers/media/i2c/adv748x/adv748x-csi2.c @@ -262,10 +262,32 @@ static int adv748x_csi2_get_frame_desc(struct v4l2_subdev *sd, unsigned int pad, return 0; } +static int adv748x_csi2_get_routing(struct v4l2_subdev *subdev, + struct v4l2_subdev_routing *routing) +{ + struct v4l2_subdev_route *r = routing->routes; + + if (routing->num_routes < 1) { + routing->num_routes = 1; + return -ENOSPC; + } + + routing->num_routes = 1; + + r->sink_pad = ADV748X_CSI2_SINK; + r->sink_stream = 0; + r->source_pad = ADV748X_CSI2_SOURCE; + r->source_stream = 0; + r->flags = V4L2_SUBDEV_ROUTE_FL_ACTIVE | V4L2_SUBDEV_ROUTE_FL_IMMUTABLE; + + return 0; +} + static const struct v4l2_subdev_pad_ops adv748x_csi2_pad_ops = { .get_fmt = adv748x_csi2_get_format, .set_fmt = adv748x_csi2_set_format, .get_frame_desc = adv748x_csi2_get_frame_desc, + .get_routing = adv748x_csi2_get_routing, .s_stream = adv748x_csi2_s_stream, }; -- 2.15.1