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| author | Benjamin Tissoires <benjamin.tissoires@gmail.com> | 2013-01-31 17:22:27 +0100 |
|---|---|---|
| committer | Jiri Kosina <jkosina@suse.cz> | 2013-02-05 12:07:40 +0100 |
| commit | e0bb8f9adf1e11cea419c845220d1524a525823b (patch) | |
| tree | 1515564133777c8244c65e18a1ae1007937de5d8 /drivers/hid/hid-multitouch.c | |
| parent | c629dd7eb3b43bb09eecb035f016bdca32dc8acf (diff) | |
| download | lwn-e0bb8f9adf1e11cea419c845220d1524a525823b.tar.gz lwn-e0bb8f9adf1e11cea419c845220d1524a525823b.zip | |
HID: multitouch: ensure that serial devices make no use of contact count
The serial protocol makes contact count a redondant information, and
sometimes it is not reliable (TRS-Star are in this case).
Disabling the use of contact count for these devices is thus safer.
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Diffstat (limited to 'drivers/hid/hid-multitouch.c')
| -rw-r--r-- | drivers/hid/hid-multitouch.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c index 1cf676d93049..2693059df534 100644 --- a/drivers/hid/hid-multitouch.c +++ b/drivers/hid/hid-multitouch.c @@ -758,6 +758,7 @@ static void mt_post_parse_default_settings(struct mt_device *td) quirks &= ~MT_QUIRK_NOT_SEEN_MEANS_UP; quirks &= ~MT_QUIRK_VALID_IS_INRANGE; quirks &= ~MT_QUIRK_VALID_IS_CONFIDENCE; + quirks &= ~MT_QUIRK_CONTACT_CNT_ACCURATE; } td->mtclass.quirks = quirks; |