diff options
Diffstat (limited to 'common/fdt_support.c')
| -rw-r--r-- | common/fdt_support.c | 29 |
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 |