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authorArnd Bergmann <arnd@arndb.de>2012-03-15 15:50:27 +0000
committerArnd Bergmann <arnd@arndb.de>2012-03-15 15:51:06 +0000
commitf82989bde1cfa5e2b4614d8e4896d795dae418d9 (patch)
tree970cd7c833fad85acbf00be335b0ae8c4991b375 /Documentation/input/alps.txt
parent695d82fae9160406acb9de204c471248abcc2a9f (diff)
parent30c766bdeccf945615097ca185326c1d7199f023 (diff)
Merge branch 'fixes' of git://gitorious.org/linux-davinci/linux-davinci into next/fixes-non-critical
* 'fixes' of git://gitorious.org/linux-davinci/linux-davinci: (2 commits) ARM: davinci: DA850: move da850_register_pm to .init.text ARM: davinci: cpufreq: fix compiler warning (update to v3.3-rc7) Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'Documentation/input/alps.txt')
-rw-r--r--Documentation/input/alps.txt3
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.
+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