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-rw-r--r--common/fdt_support.c29
1 files changed, 29 insertions, 0 deletions
diff --git a/common/fdt_support.c b/common/fdt_support.c
index 0ed6e77..9b65a8a 100644
--- a/common/fdt_support.c
+++ b/common/fdt_support.c
@@ -1189,3 +1189,32 @@ int fdt_alloc_phandle(void *blob)
return phandle + 1;
}
+
+#if defined(CONFIG_VIDEO)
+int fdt_add_edid(void *blob, const char *compat, unsigned char *edid_buf)
+{
+ int noff;
+ int ret;
+
+ noff = fdt_node_offset_by_compatible(blob, -1, compat);
+ if (noff != -FDT_ERR_NOTFOUND) {
+ debug("%s: %s\n", fdt_get_name(blob, noff, 0), compat);
+add_edid:
+ ret = fdt_setprop(blob, noff, "edid", edid_buf, 128);
+ if (ret == -FDT_ERR_NOSPACE) {
+ ret = fdt_increase_size(blob, 512);
+ if (!ret)
+ goto add_edid;
+ else
+ goto err_size;
+ } else if (ret < 0) {
+ printf("Can't add property: %s\n", fdt_strerror(ret));
+ return ret;
+ }
+ }
+ return 0;
+err_size:
+ printf("Can't increase blob size: %s\n", fdt_strerror(ret));
+ return ret;
+}
+#endif