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hid: egalax: Correct for device resolution report error
author
Henrik Rydberg
<rydberg@euromail.se>
Wed, 13 Oct 2010 20:18:32 +0000
(22:18 +0200)
committer
Henrik Rydberg
<rydberg@euromail.se>
Thu, 16 Dec 2010 09:43:27 +0000
(10:43 +0100)
The firmware of both supported devices report a X/Y maximum of 4095,
whereas in reality, it is eight times larger. Fixed with this patch.
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Cc: Stephane Chatty <chatty@enac.fr>
Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
drivers/hid/hid-egalax.c
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diff --git
a/drivers/hid/hid-egalax.c
b/drivers/hid/hid-egalax.c
index
5be513c
..
733bebc
100644
(file)
--- a/
drivers/hid/hid-egalax.c
+++ b/
drivers/hid/hid-egalax.c
@@
-54,6
+54,7
@@
static int egalax_input_mapping(struct hid_device *hdev, struct hid_input *hi,
case HID_UP_GENDESK:
switch (usage->hid) {
case HID_GD_X:
+ field->logical_maximum = 32760;
hid_map_usage(hi, usage, bit, max,
EV_ABS, ABS_MT_POSITION_X);
set_abs(input, ABS_MT_POSITION_X, field, 0);
@@
-61,6
+62,7
@@
static int egalax_input_mapping(struct hid_device *hdev, struct hid_input *hi,
set_abs(input, ABS_X, field, 0);
return 1;
case HID_GD_Y:
+ field->logical_maximum = 32760;
hid_map_usage(hi, usage, bit, max,
EV_ABS, ABS_MT_POSITION_Y);
set_abs(input, ABS_MT_POSITION_Y, field, 0);