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Input: ALPS - fix TrackStick Y axis handling for SS5 hardware 

A minus character was lost in commit 23fce365, causing the Y axis to be
inverted for SS5 TrackStick events.  (Pushing the TrackStick up caused
the pointer to move down, and vice versa.)  Restore the lost minus.

Fixes: 23fce365c6 ("Input: ALPS - clean up code for SS5 hardware")
Signed-off-by: Paul Donohue <linux-kernel@PaulSD.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
This commit is contained in:
Paul Donohue 2017-01-03 10:39:28 -08:00 committed by Dmitry Torokhov
parent 72f0991354
commit 47e3a5edc6
1 changed files with 1 additions and 1 deletions
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2
drivers/input/mouse/alps.h
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@ -114,7 +114,7 @@ enum SS4_PACKET_ID {
(_b[1] & 0x7F) \
)
#define SS4_TS_Y_V2(_b) (s8)( \
#define SS4_TS_Y_V2(_b) -(s8)( \
((_b[3] & 0x01) << 7) | \
(_b[2] & 0x7F) \
)