[PATCH 03/25] HID: multitouch: fix Win8 protocol for Sharp like devices

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



The Sharp LC-20FE1-W screen (04dd:9681) behaves like the Nexio 42".
It may report out of ranges values that are filtered out by relying
on the Contact Count HID field.
Adding the quirk MT_QUIRK_CONTACT_CNT_ACCURATE makes hid-multitouch
strongest against this kind of device, without breaking the current
devices.

Signed-off-by: Benjamin Tissoires <benjamin.tissoires@xxxxxxxxx>
---
 drivers/hid/hid-multitouch.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c
index c4acdd0..8d0a9f9 100644
--- a/drivers/hid/hid-multitouch.c
+++ b/drivers/hid/hid-multitouch.c
@@ -317,6 +317,7 @@ static void mt_feature_mapping(struct hid_device *hdev,
 			*quirks |= MT_QUIRK_ALWAYS_VALID;
 			*quirks |= MT_QUIRK_IGNORE_DUPLICATES;
 			*quirks |= MT_QUIRK_HOVERING;
+			*quirks |= MT_QUIRK_CONTACT_CNT_ACCURATE;
 			*quirks &= ~MT_QUIRK_NOT_SEEN_MEANS_UP;
 			*quirks &= ~MT_QUIRK_VALID_IS_INRANGE;
 			*quirks &= ~MT_QUIRK_VALID_IS_CONFIDENCE;
-- 
1.8.1

--
To unsubscribe from this list: send the line "unsubscribe linux-input" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html


[Index of Archives]     [Linux Media Devel]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]     [Linux Wireless Networking]     [Linux Omap]

  Powered by Linux