diff options
Diffstat (limited to 'Documentation/input/alps.txt')
| -rw-r--r-- | Documentation/input/alps.txt | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/Documentation/input/alps.txt b/Documentation/input/alps.txt index f274c28b5103..ae8ba9a74ce1 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 @@ -131,8 +132,8 @@ number of contacts (f1 and f0 in the table below). byte 5: 0 1 ? ? ? ? f1 f0 This packet only appears after a position packet with the mt bit set, and -ususally only appears when there are two or more contacts (although -ocassionally it's seen with only a single contact). +usually only appears when there are two or more contacts (although +occassionally it's seen with only a single contact). The final v3 packet type is the trackstick packet. |