[PATCH v14 13/18] media: i2c: ds90ub953: Use v4l2_fwnode_endpoint_parse()

Tomi Valkeinen
2023-06-16T14:02:07Z

Use v4l2_fwnode_endpoint_parse() to parse the sink endpoint parameters.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
---
drivers/media/i2c/ds90ub953.c | 19 +++++++++++++------
1 file changed, 13 insertions(+), 6 deletions(-)

diff --git a/drivers/media/i2c/ds90ub953.c b/drivers/media/i2c/ds90ub953.c
index 1e3827a60029..5b586855c77b 100644
--- a/drivers/media/i2c/ds90ub953.c
+++ b/drivers/media/i2c/ds90ub953.c
@@ -25,6 +25,8 @@
#include <media/i2c/ds90ub9xx.h>
#include <media/v4l2-ctrls.h>
#include <media/v4l2-event.h>
+#include <media/v4l2-fwnode.h>
+#include <media/v4l2-mediabus.h>
#include <media/v4l2-subdev.h>

#define UB953_PAD_SINK 0
@@ -1111,7 +1113,9 @@ static const struct regmap_config ub953_regmap_config = {
static int ub953_parse_dt(struct ub953_data *priv)
{
struct device *dev = &priv->client->dev;
+ struct v4l2_fwnode_endpoint vep = {};
struct fwnode_handle *ep_fwnode;
+ unsigned char nlanes;
int ret;

ep_fwnode = fwnode_graph_get_endpoint_by_id(dev_fwnode(dev),
@@ -1119,19 +1123,22 @@ static int ub953_parse_dt(struct ub953_data *priv)
if (!ep_fwnode)
return dev_err_probe(dev, -ENOENT, "no endpoint found\n");

- ret = fwnode_property_count_u32(ep_fwnode, "data-lanes");
+ vep.bus_type = V4L2_MBUS_CSI2_DPHY;
+ ret = v4l2_fwnode_endpoint_parse(ep_fwnode, &vep);

fwnode_handle_put(ep_fwnode);

- if (ret < 0)
+ if (ret)
return dev_err_probe(dev, ret,
- "failed to parse property 'data-lanes'\n");
+ "failed to parse sink endpoint data\n");
+
+ nlanes = vep.bus.mipi_csi2.num_data_lanes;

- if (ret != 1 && ret != 2 && ret != 4)
+ if (nlanes != 1 && nlanes != 2 && nlanes != 4)
return dev_err_probe(dev, -EINVAL,
- "bad number of data-lanes: %d\n", ret);
+ "bad number of data-lanes: %d\n", nlanes);

- priv->num_data_lanes = ret;
+ priv->num_data_lanes = nlanes;

return 0;
}
--
2.34.1