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touchpad: make palm detection logging a bit easier

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Nested trinary conditions are fun, but...

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
This commit is contained in:
Peter Hutterer 2017-03-23 13:55:32 +10:00
parent ddcf1f61bf
commit 5a63c82822
1 changed files with 21 additions and 3 deletions
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24
src/evdev-mt-touchpad.c
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@ -715,6 +715,8 @@ tp_palm_detect_edge(struct tp_dispatch *tp,
static void
tp_palm_detect(struct tp_dispatch *tp, struct tp_touch *t, uint64_t time)
{
const char *palm_state;
enum touch_palm_state oldstate = t->palm.state;
if (tp_palm_detect_dwt_triggered(tp, t, time))
goto out;
@ -726,12 +728,28 @@ tp_palm_detect(struct tp_dispatch *tp, struct tp_touch *t, uint64_t time)
goto out;
return;
out:
if (oldstate == t->palm.state)
return;
switch (t->palm.state) {
case PALM_EDGE:
palm_state = "edge";
break;
case PALM_TYPING:
palm_state = "typing";
break;
case PALM_TRACKPOINT:
palm_state = "trackpoint";
break;
case PALM_NONE:
default:
abort();
break;
}
evdev_log_debug(tp->device,
"palm: palm detected (%s)\n",
t->palm.state == PALM_EDGE ? "edge" :
t->palm.state == PALM_TYPING ? "typing" : "trackpoint");
palm_state);
}
static inline const char*