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-rw-r--r--components/drivers/include/drivers/pin.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/components/drivers/include/drivers/pin.h b/components/drivers/include/drivers/pin.h
index 3dd512a391..9745aafdf7 100644
--- a/components/drivers/include/drivers/pin.h
+++ b/components/drivers/include/drivers/pin.h
@@ -20,6 +20,7 @@
* Change Logs:
* Date Author Notes
* 2015-01-20 Bernard the first version
+ * 2017-10-20 ZYH add mode open drain and input pull down
*/
#ifndef PIN_H__