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media: v4l: fwnode: Print bus type

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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: Sakari Ailus <sakari.ailus@linux.intel.com>
Tested-by: Steve Longerbeam <steve_longerbeam@mentor.com>
Tested-by: Jacopo Mondi <jacopo+renesas@jmondi.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
This commit is contained in:
Sakari Ailus 2018-01-02 10:44:34 -05:00 committed by Mauro Carvalho Chehab
parent e9be1b863e
commit 3eb32c264d
1 changed files with 38 additions and 0 deletions
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38
drivers/media/v4l2-core/v4l2-fwnode.c
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@ -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: