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authorBenjamin Tissoires <benjamin.tissoires@gmail.com>2013-01-31 17:22:30 +0100
committerJiri Kosina <jkosina@suse.cz>2013-02-05 12:07:41 +0100
commite325905c6c28331772dcd3218a690af744a1a564 (patch)
treeef17ec8f21ba0f6877a010a42971697651455d1d /drivers/hid
parentefc16787cf92de4906adae8e451c10c6189b4ca8 (diff)
downloadlinux-e325905c6c28331772dcd3218a690af744a1a564.tar.gz
HID: multitouch: fix protocol for Elo panels
The previous protocol was nearly working, but when several fingers were
present on the sensor, those that were not moving were not updated
in the next report, introducing a lot of releases.

Signed-off-by: Benjamin Tissoires <benjamin.tissoires@gmail.com>

Conflicts:
	drivers/hid/hid-multitouch.c
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Diffstat (limited to 'drivers/hid')
-rw-r--r--drivers/hid/hid-multitouch.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c
index e2fc1211f130..a3d4f0fbc4be 100644
--- a/drivers/hid/hid-multitouch.c
+++ b/drivers/hid/hid-multitouch.c
@@ -116,6 +116,7 @@ struct mt_device {
 #define MT_CLS_INRANGE_CONTACTNUMBER		0x0009
 #define MT_CLS_ALWAYS_TRUE			0x000a
 #define MT_CLS_DUAL_CONTACT_NUMBER		0x0010
+#define MT_CLS_DUAL_CONTACT_ID			0x0011
 
 /* vendor specific classes */
 #define MT_CLS_3M				0x0101
@@ -183,6 +184,11 @@ static struct mt_class mt_classes[] = {
 			MT_QUIRK_CONTACT_CNT_ACCURATE |
 			MT_QUIRK_SLOT_IS_CONTACTNUMBER,
 		.maxcontacts = 2 },
+	{ .name = MT_CLS_DUAL_CONTACT_ID,
+		.quirks = MT_QUIRK_ALWAYS_VALID |
+			MT_QUIRK_CONTACT_CNT_ACCURATE |
+			MT_QUIRK_SLOT_IS_CONTACTID,
+		.maxcontacts = 2 },
 
 	/*
 	 * vendor specific classes
@@ -1040,7 +1046,7 @@ static const struct hid_device_id mt_devices[] = {
 			USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72C4) },
 
 	/* Elo TouchSystems IntelliTouch Plus panel */
-	{ .driver_data = MT_CLS_DUAL_NSMU_CONTACTID,
+	{ .driver_data = MT_CLS_DUAL_CONTACT_ID,
 		MT_USB_DEVICE(USB_VENDOR_ID_ELO,
 			USB_DEVICE_ID_ELO_TS2515) },