1 files changed, 5 insertions, 0 deletions

diff --git a/include/mtdev.h b/include/mtdev.h
index ba682c5..33ea29c 100644
--- a/include/mtdev.h
+++ b/include/mtdev.h
@@ -68,6 +68,11 @@ extern "C" {
 #define ABS_MT_DISTANCE         0x3b    /* Contact hover distance */
 #endif
 
+/* includes available in 3.4 */
+#ifndef EVIOCGMTSLOTS
+#define EVIOCGMTSLOTS(len)      _IOC(_IOC_READ, 'E', 0x0a, len)
+#endif
+
 #define MT_ID_NULL      (-1)
 #define MT_ID_MIN       0
 #define MT_ID_MAX       65535