Messages in this thread Patch in this message | | | From | Pali Rohár <> | Subject | [PATCH] Input: alps - Fix reporting pressure of v3 trackstick | Date | Sun, 8 Apr 2018 17:53:21 +0200 |
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According to documentation, all 7 lower bits represents trackpoint pressure.
Fixes: 4621c9660459 ("Input: alps - report pressure of v3 and v7 trackstick") Signed-off-by: Pali Rohár <pali.rohar@gmail.com> --- drivers/input/mouse/alps.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/input/mouse/alps.c b/drivers/input/mouse/alps.c index 0a9e6a3a2f9f..1e28d9fc5492 100644 --- a/drivers/input/mouse/alps.c +++ b/drivers/input/mouse/alps.c @@ -583,7 +583,7 @@ static void alps_process_trackstick_packet_v3(struct psmouse *psmouse) x = (s8)(((packet[0] & 0x20) << 2) | (packet[1] & 0x7f)); y = (s8)(((packet[0] & 0x10) << 3) | (packet[2] & 0x7f)); - z = packet[4] & 0x7c; + z = packet[4] & 0x7f; /* * The x and y values tend to be quite large, and when used -- 2.11.0
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