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-rw-r--r--dtc.c11
1 files changed, 10 insertions, 1 deletions
diff --git a/dtc.c b/dtc.c
index 53793bf..5fa23c4 100644
--- a/dtc.c
+++ b/dtc.c
@@ -155,7 +155,7 @@ int main(int argc, char *argv[])
{
struct boot_info *bi;
const char *inform = NULL;
- const char *outform = "dts";
+ const char *outform = NULL;
const char *outname = "-";
const char *depname = NULL;
bool force = false, sort = false;
@@ -262,6 +262,15 @@ int main(int argc, char *argv[])
if (inform == NULL)
inform = guess_input_format(arg, "dts");
+ if (outform == NULL) {
+ outform = guess_type_by_name(outname, NULL);
+ if (outform == NULL) {
+ if (streq(inform, "dts"))
+ outform = "dtb";
+ else
+ outform = "dts";
+ }
+ }
if (streq(inform, "dts"))
bi = dt_from_source(arg);
else if (streq(inform, "fs"))