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bcm5974: fix wellspring9 pressure settings to handle force sensitivity

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Reviewed by:	wulf
MFC after:	1 month
Differential revision:	https://reviews.freebsd.org/D34435
This commit is contained in:
Val Packett 2023-04-24 12:41:52 +03:00 committed by Vladimir Kondratyev
parent 1f40866feb
commit 176939bd36
1 changed files with 7 additions and 1 deletions
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8
sys/dev/hid/bcm5974.c
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@ -327,9 +327,15 @@ static const struct bcm5974_dev_params bcm5974_dev_params[BCM5974_FLAG_MAX] = {
.o = { SN_ORIENT,
-MAX_FINGER_ORIENTATION, MAX_FINGER_ORIENTATION, 0 },
},
/*
* NOTE: Actually force-sensitive. Pressure has a "size" equal to the max
* so that the "resolution" is 1 (i.e. values will be interpreted as grams).
* No scientific measurements have been done :) but a really hard press
* results in a value around 3500 on model 4.
*/
[BCM5974_FLAG_WELLSPRING9] = {
.tp = tp + TYPE4,
.p = { SN_PRESSURE, 0, 300, 0 },
.p = { SN_PRESSURE, 0, 4096, 4096 },
.w = { SN_WIDTH, 0, 2048, 0 },
.x = { SN_COORD, -4828, 5345, 105 },
.y = { SN_COORD, -203, 6803, 75 },