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[73.202.231.77]) by smtp.googlemail.com with ESMTPSA id 30sm31296349pjk.17.2019.08.05.16.35.30 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Mon, 05 Aug 2019 16:35:30 -0700 (PDT) From: Steve Longerbeam To: linux-media@vger.kernel.org Cc: Steve Longerbeam , Rui Miguel Silva , Philipp Zabel , Mauro Carvalho Chehab , Greg Kroah-Hartman , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , NXP Linux Team , devel@driverdev.osuosl.org (open list:STAGING SUBSYSTEM), linux-arm-kernel@lists.infradead.org (moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE), linux-kernel@vger.kernel.org (open list) Subject: [PATCH 14/22] media: imx7-mipi-csis: Create media links in bound notifier Date: Mon, 5 Aug 2019 16:34:57 -0700 Message-Id: <20190805233505.21167-15-slongerbeam@gmail.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190805233505.21167-1-slongerbeam@gmail.com> References: <20190805233505.21167-1-slongerbeam@gmail.com> Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Implement a notifier bound op to register media links from the remote sub-device's source pad(s) to the mipi csi-2 receiver sink pad. Signed-off-by: Steve Longerbeam --- drivers/staging/media/imx/imx7-mipi-csis.c | 25 ++++++++++++++++++++++ 1 file changed, 25 insertions(+) diff --git a/drivers/staging/media/imx/imx7-mipi-csis.c b/drivers/staging/media/imx/imx7-mipi-csis.c index f71d9183cad2..e03b2317a1ac 100644 --- a/drivers/staging/media/imx/imx7-mipi-csis.c +++ b/drivers/staging/media/imx/imx7-mipi-csis.c @@ -259,6 +259,12 @@ struct csi_state { bool sink_linked; }; +static inline struct csi_state * +notifier_to_csis_state(struct v4l2_async_notifier *n) +{ + return container_of(n, struct csi_state, notifier); +} + struct csis_pix_format { unsigned int pix_width_alignment; u32 code; @@ -863,6 +869,23 @@ static int mipi_csis_parse_endpoint(struct device *dev, return 0; } +static int mipi_csis_notify_bound(struct v4l2_async_notifier *notifier, + struct v4l2_subdev *sd, + struct v4l2_async_subdev *asd) +{ + struct csi_state *state = notifier_to_csis_state(notifier); + struct media_pad *sink = &state->mipi_sd.entity.pads[CSIS_PAD_SINK]; + + return media_create_fwnode_pad_links(sink, + dev_fwnode(state->mipi_sd.dev), + &sd->entity, + dev_fwnode(sd->dev), 0); +} + +static const struct v4l2_async_notifier_operations mipi_csis_notify_ops = { + .bound = mipi_csis_notify_bound, +}; + static int mipi_csis_subdev_init(struct v4l2_subdev *mipi_sd, struct platform_device *pdev, const struct v4l2_subdev_ops *ops) @@ -895,6 +918,8 @@ static int mipi_csis_subdev_init(struct v4l2_subdev *mipi_sd, v4l2_async_notifier_init(&state->notifier); + state->notifier.ops = &mipi_csis_notify_ops; + ret = v4l2_async_register_fwnode_subdev(mipi_sd, &state->notifier, sizeof(struct v4l2_async_subdev), &sink_port, 1, -- 2.17.1