1 files changed, 1 insertions, 0 deletions

diff --git a/include/linux/rotary_encoder.h b/include/linux/rotary_encoder.h
index 215278b8df2a..3f594dce5716 100644
--- a/include/linux/rotary_encoder.h
+++ b/include/linux/rotary_encoder.h
@@ -10,6 +10,7 @@ struct rotary_encoder_platform_data {
         unsigned int inverted_b;
         bool relative_axis;
         bool rollover;
+        bool half_period;
 };
 
 #endif /* __ROTARY_ENCODER_H__ */