Event value is wrong. Should be in range -2048 to 2047, but is in
range 0 to 4095. Use s8 to int conversion and remove 0xfff mask.
Signed-off-by: Sebastien Royen <sebastien.royen@armadeus.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
if (ret < 0)
return;
- x = ((buf[1] << 4) & 0xff0) | (buf[0] & 0xf);
- y = ((buf[3] << 4) & 0xff0) | (buf[2] & 0xf);
- z = ((buf[5] << 4) & 0xff0) | (buf[4] & 0xf);
+ x = ((int)(s8)buf[1] << 4) | (buf[0] & 0xf);
+ y = ((int)(s8)buf[3] << 4) | (buf[2] & 0xf);
+ z = ((int)(s8)buf[5] << 4) | (buf[4] & 0xf);
input_report_abs(dev->input, ABS_X, x);
input_report_abs(dev->input, ABS_Y, y);