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-rw-r--r--src/stm/ao_boot.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/stm/ao_boot.h b/src/stm/ao_boot.h
index 862e8755..e0ed4de7 100644
--- a/src/stm/ao_boot.h
+++ b/src/stm/ao_boot.h
@@ -24,7 +24,8 @@ ao_boot_chain(uint32_t *base);
void
ao_boot_check_pin(void);
-void
+/* Return true to switch to application (if present) */
+int
ao_boot_check_chain(void);
void