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media: v4l: fwnode: Support driver-defined lane mapping defaults 

Make use of the default CSI-2 lane mapping from caller-passed
configuration.

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 2018-07-20 06:14:14 -04:00 committed by Mauro Carvalho Chehab
parent af11a74a04
commit c2475aeb12
1 changed files with 12 additions and 8 deletions
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20
drivers/media/v4l2-core/v4l2-fwnode.c
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@ -55,10 +55,14 @@ static int v4l2_fwnode_endpoint_parse_csi2_bus(struct fwnode_handle *fwnode,
u32 v;
int rval;
if (bus_type == V4L2_FWNODE_BUS_TYPE_CSI2_DPHY)
if (bus_type == V4L2_FWNODE_BUS_TYPE_CSI2_DPHY) {
num_data_lanes = min_t(u32, bus->num_data_lanes,
V4L2_FWNODE_CSI2_MAX_DATA_LANES);
for (i = 0; i < num_data_lanes; i++)
array[i] = bus->data_lanes[i];
}
rval = fwnode_property_read_u32_array(fwnode, "data-lanes", NULL, 0);
if (rval > 0) {
num_data_lanes =
@ -66,15 +70,15 @@ static int v4l2_fwnode_endpoint_parse_csi2_bus(struct fwnode_handle *fwnode,
fwnode_property_read_u32_array(fwnode, "data-lanes", array,
num_data_lanes);
}
for (i = 0; i < num_data_lanes; i++) {
if (lanes_used & BIT(array[i]))
pr_warn("duplicated lane %u in data-lanes\n",
array[i]);
lanes_used |= BIT(array[i]);
for (i = 0; i < num_data_lanes; i++) {
if (lanes_used & BIT(array[i]))
pr_warn("duplicated lane %u in data-lanes\n",
array[i]);
lanes_used |= BIT(array[i]);
pr_debug("lane %u position %u\n", i, array[i]);
}
pr_debug("lane %u position %u\n", i, array[i]);
}
rval = fwnode_property_read_u32_array(fwnode, "lane-polarities", NULL,