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[73.202.231.77]) by smtp.googlemail.com with ESMTPSA id r20sm5367801pgo.74.2019.11.24.11.07.18 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 24 Nov 2019 11:07:18 -0800 (PST) From: Steve Longerbeam To: linux-media@vger.kernel.org Cc: Steve Longerbeam Subject: [PATCH v2 06/23] media: adv748x: csi2: Implement get_fwnode_pad Date: Sun, 24 Nov 2019 11:06:46 -0800 Message-Id: <20191124190703.12138-7-slongerbeam@gmail.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20191124190703.12138-1-slongerbeam@gmail.com> References: <20191124190703.12138-1-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