path: root/Documentation/input
diff options
Diffstat (limited to 'Documentation/input')
1 files changed, 2 insertions, 1 deletions
diff --git a/Documentation/input/alps.txt b/Documentation/input/alps.txt
index f274c28b510..2f95308251d 100644
--- a/Documentation/input/alps.txt
+++ b/Documentation/input/alps.txt
@@ -13,7 +13,8 @@ Detection
All ALPS touchpads should respond to the "E6 report" command sequence:
E8-E6-E6-E6-E9. An ALPS touchpad should respond with either 00-00-0A or
+00-00-64 if no buttons are pressed. The bits 0-2 of the first byte will be 1s
+if some buttons are pressed.
If the E6 report is successful, the touchpad model is identified using the "E7
report" sequence: E8-E7-E7-E7-E9. The response is the model signature and is