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Commit 3eb32c26 authored by Sakari Ailus's avatar Sakari Ailus Committed by Mauro Carvalho Chehab
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media: v4l: fwnode: Print bus type 



Print bus type either as set by the driver or as parsed from the bus-type
property, as well as the guessed V4L2 media bus type.

Signed-off-by: default avatarSakari Ailus <sakari.ailus@linux.intel.com>
Tested-by: default avatarSteve Longerbeam <steve_longerbeam@mentor.com>
Tested-by: default avatarJacopo Mondi <jacopo+renesas@jmondi.org>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab+samsung@kernel.org>
parent e9be1b86

drivers/media/v4l2-core/v4l2-fwnode.c

+38 −0
Original line number Diff line number Diff line
@@ -99,6 +99,36 @@ v4l2_fwnode_bus_type_to_mbus(enum v4l2_fwnode_bus_type type) 
	return conv ? conv->mbus_type : V4L2_MBUS_UNKNOWN;

}



static const char *

v4l2_fwnode_bus_type_to_string(enum v4l2_fwnode_bus_type type)

{

	const struct v4l2_fwnode_bus_conv *conv =

		get_v4l2_fwnode_bus_conv_by_fwnode_bus(type);



	return conv ? conv->name : "not found";

}



static const struct v4l2_fwnode_bus_conv *

get_v4l2_fwnode_bus_conv_by_mbus(enum v4l2_mbus_type type)

{

	unsigned int i;



	for (i = 0; i < ARRAY_SIZE(busses); i++)

		if (busses[i].mbus_type == type)

			return &busses[i];



	return NULL;

}



static const char *

v4l2_fwnode_mbus_type_to_string(enum v4l2_mbus_type type)

{

	const struct v4l2_fwnode_bus_conv *conv =

		get_v4l2_fwnode_bus_conv_by_mbus(type);



	return conv ? conv->name : "not found";

}



static int v4l2_fwnode_endpoint_parse_csi2_bus(struct fwnode_handle *fwnode,

					       struct v4l2_fwnode_endpoint *vep,

					       enum v4l2_mbus_type bus_type)
@@ -393,6 +423,10 @@ static int __v4l2_fwnode_endpoint_parse(struct fwnode_handle *fwnode, 
	memset(&vep->base, 0, sizeof(vep->base));



	fwnode_property_read_u32(fwnode, "bus-type", &bus_type);

	pr_debug("fwnode video bus type %s (%u), mbus type %s (%u)\n",

		 v4l2_fwnode_bus_type_to_string(bus_type), bus_type,

		 v4l2_fwnode_mbus_type_to_string(vep->bus_type),

		 vep->bus_type);



	mbus_type = v4l2_fwnode_bus_type_to_mbus(bus_type);
@@ -407,6 +441,10 @@ static int __v4l2_fwnode_endpoint_parse(struct fwnode_handle *fwnode, 
			v4l2_fwnode_endpoint_parse_parallel_bus(

				fwnode, vep, V4L2_MBUS_UNKNOWN);



		pr_debug("assuming media bus type %s (%u)\n",

			 v4l2_fwnode_mbus_type_to_string(vep->bus_type),

			 vep->bus_type);



		break;

	case V4L2_MBUS_CCP2:

	case V4L2_MBUS_CSI1: