diff options
| author | Sakari Ailus <sakari.ailus@linux.intel.com> | 2018-01-02 10:44:34 -0500 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab+samsung@kernel.org> | 2018-10-04 16:22:46 -0400 |
| commit | 3eb32c264d893156256c33bdfdfbd71dbb996b5b (patch) | |
| tree | 2c6b89181d489c50b082874f54ef765d8f2fc4e8 /drivers/media | |
| parent | e9be1b863e2c2948deb003df8edd9635b4611a8a (diff) | |
| download | linux-3eb32c264d893156256c33bdfdfbd71dbb996b5b.tar.bz2 | |
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: 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>
Diffstat (limited to 'drivers/media')
| -rw-r--r-- | drivers/media/v4l2-core/v4l2-fwnode.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/drivers/media/v4l2-core/v4l2-fwnode.c b/drivers/media/v4l2-core/v4l2-fwnode.c index ae81af5a53dc..0bbe84867cb1 100644 --- a/drivers/media/v4l2-core/v4l2-fwnode.c +++ b/drivers/media/v4l2-core/v4l2-fwnode.c @@ -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: |