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-rw-r--r--drivers/hid/hid-multitouch.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c
index 0a04893..61543c0 100644
--- a/drivers/hid/hid-multitouch.c
+++ b/drivers/hid/hid-multitouch.c
@@ -294,6 +294,18 @@ static void mt_feature_mapping(struct hid_device *hdev,
td->maxcontacts = td->mtclass.maxcontacts;
break;
+ case 0xff0000c5:
+ if (field->report_count == 256 && field->report_size == 8) {
+ /* Win 8 devices need special quirks */
+ __s32 *quirks = &td->mtclass.quirks;
+ *quirks |= MT_QUIRK_ALWAYS_VALID;
+ *quirks |= MT_QUIRK_IGNORE_DUPLICATES;
+ *quirks |= MT_QUIRK_HOVERING;
+ *quirks &= ~MT_QUIRK_NOT_SEEN_MEANS_UP;
+ *quirks &= ~MT_QUIRK_VALID_IS_INRANGE;
+ *quirks &= ~MT_QUIRK_VALID_IS_CONFIDENCE;
+ }
+ break;
}
}
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