From b88cbd3a007608a224fad5413de6170c75afd5a7 Mon Sep 17 00:00:00 2001
From: Henrik Rydberg <rydberg@euromail.se>
Date: Wed, 13 Oct 2010 22:18:32 +0200
Subject: [PATCH] hid: egalax: Correct for device resolution report error
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 | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/hid/hid-egalax.c b/drivers/hid/hid-egalax.c
index 5be513c363e3..733bebc885db 100644
--- 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);
--
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