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media: i2c: ds90ub953: Use v4l2_fwnode_endpoint_parse()

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Use v4l2_fwnode_endpoint_parse() to parse the sink endpoint parameters.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
This commit is contained in:
Tomi Valkeinen
2023-07-31 16:24:37 +03:00
committed by Mauro Carvalho Chehab
parent b57a5fd2cc
commit 255b959be9
1 changed files with 13 additions and 6 deletions
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19
drivers/media/i2c/ds90ub953.c
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@@ -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 +1113,11 @@ 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 = {
.bus_type = V4L2_MBUS_CSI2_DPHY,
};
struct fwnode_handle *ep_fwnode;
unsigned char nlanes;
int ret;
ep_fwnode = fwnode_graph_get_endpoint_by_id(dev_fwnode(dev),
@@ -1119,19 +1125,20 @@ 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");
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");
if (ret != 1 && ret != 2 && ret != 4)
nlanes = vep.bus.mipi_csi2.num_data_lanes;
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: %u\n", nlanes);
priv->num_data_lanes = ret;
priv->num_data_lanes = nlanes;
return 0;
}