Commit 80a469e4 authored by Henrik Rydberg's avatar Henrik Rydberg

hid: egalax: Report zero as minimum pressure

The firmware reports a logical minimum of one, but in order for
userspace applications to correctly map all reported values to
non-zero pressure, the driver needs to report a logical minimum of
zero.  Fixed with this patch.
Tested-by: default avatarPhilipp Merkel <mail@philmerk.de>
Cc: Stephane Chatty <chatty@enac.fr>
Signed-off-by: default avatarJiri Kosina <jkosina@suse.cz>
Signed-off-by: default avatarHenrik Rydberg <rydberg@euromail.se>
parent b88cbd3a
...@@ -90,6 +90,7 @@ static int egalax_input_mapping(struct hid_device *hdev, struct hid_input *hi, ...@@ -90,6 +90,7 @@ static int egalax_input_mapping(struct hid_device *hdev, struct hid_input *hi,
set_abs(input, ABS_MT_TRACKING_ID, field, 0); set_abs(input, ABS_MT_TRACKING_ID, field, 0);
return 1; return 1;
case HID_DG_TIPPRESSURE: case HID_DG_TIPPRESSURE:
field->logical_minimum = 0;
hid_map_usage(hi, usage, bit, max, hid_map_usage(hi, usage, bit, max,
EV_ABS, ABS_MT_PRESSURE); EV_ABS, ABS_MT_PRESSURE);
set_abs(input, ABS_MT_PRESSURE, field, 0); set_abs(input, ABS_MT_PRESSURE, field, 0);
......
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