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[73.202.231.77]) by smtp.googlemail.com with ESMTPSA id 30sm31296349pjk.17.2019.08.05.16.35.20 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Mon, 05 Aug 2019 16:35:20 -0700 (PDT) From: Steve Longerbeam To: linux-media@vger.kernel.org Cc: Steve Longerbeam , Kieran Bingham , Mauro Carvalho Chehab , linux-kernel@vger.kernel.org (open list) Subject: [PATCH 06/22] media: adv748x: csi2: Implement get_fwnode_pad Date: Mon, 5 Aug 2019 16:34:49 -0700 Message-Id: <20190805233505.21167-7-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 If the given endpoint fwnode passed to the .get_fwnode_pad() op is the adv748x-csi2 TXA/TXB source endpoint, return the associated media pad index ADV748X_CSI2_SOURCE. The adv748x-csi2 has no other media pads that are associated with fwnode endpoints. Signed-off-by: Steve Longerbeam --- drivers/media/i2c/adv748x/adv748x-csi2.c | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) diff --git a/drivers/media/i2c/adv748x/adv748x-csi2.c b/drivers/media/i2c/adv748x/adv748x-csi2.c index 2091cda50935..810085a1f2f0 100644 --- a/drivers/media/i2c/adv748x/adv748x-csi2.c +++ b/drivers/media/i2c/adv748x/adv748x-csi2.c @@ -228,6 +228,24 @@ static const struct v4l2_subdev_ops adv748x_csi2_ops = { .pad = &adv748x_csi2_pad_ops, }; +/* ----------------------------------------------------------------------------- + * media_entity_operations + */ + +static int adv748x_csi2_get_fwnode_pad(struct media_entity *entity, + struct fwnode_endpoint *endpoint) +{ + struct v4l2_subdev *sd = media_entity_to_v4l2_subdev(entity); + struct adv748x_csi2 *tx = adv748x_sd_to_csi2(sd); + + return endpoint->local_fwnode == tx->sd.fwnode ? + ADV748X_CSI2_SOURCE : -ENXIO; +} + +static const struct media_entity_operations adv748x_csi2_entity_ops = { + .get_fwnode_pad = adv748x_csi2_get_fwnode_pad, +}; + /* ----------------------------------------------------------------------------- * Subdev module and controls */ @@ -295,6 +313,9 @@ int adv748x_csi2_init(struct adv748x_state *state, struct adv748x_csi2 *tx) /* Register internal ops for incremental subdev registration */ tx->sd.internal_ops = &adv748x_csi2_internal_ops; + /* Register media_entity ops */ + tx->sd.entity.ops = &adv748x_csi2_entity_ops; + tx->pads[ADV748X_CSI2_SINK].flags = MEDIA_PAD_FL_SINK; tx->pads[ADV748X_CSI2_SOURCE].flags = MEDIA_PAD_FL_SOURCE; -- 2.17.1