This has no real effect just yet because we don't use a touchpad's dpi
anywhere in the touchpad code. Only the acceleration code wants it but all
touchpads use the same acceleration method, and that one doesn't care about
the dpi.
Signed-off-by: Peter Hutterer <peter.hutte...@who-t.net>
---
src/evdev-mt-touchpad.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/src/evdev-mt-touchpad.c b/src/evdev-mt-touchpad.c
index 26b65de..a5ab4c2 100644
--- a/src/evdev-mt-touchpad.c
+++ b/src/evdev-mt-touchpad.c
@@ -2257,6 +2257,10 @@ tp_init(struct tp_dispatch *tp,
EV_ABS,
ABS_MT_DISTANCE);
+ /* Set the dpi to that of the x axis, because that's what we normalize
+ to when needed*/
+ device->dpi = device->abs.absinfo_x->resolution * 25.4;
+
tp_init_hysteresis(tp);
if (!tp_init_accel(tp))
--
2.9.3
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