From 5572da08a784621f2ab4fdc8dc65471261871795 Mon Sep 17 00:00:00 2001 From: Benjamin Tissoires Date: Fri, 7 Jan 2011 23:47:27 +0100 Subject: HID: hid-mulitouch: add support for the 'Sensing Win7-TwoFinger' MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Added support for the 'Sensing Win7-TwoFinger' panel by GeneralTouch found on some tablets. Because of conflicting VID/PID, this conflicts with previous support for some single-touch panels by GeneralTouch Signed-off-by: Benjamin Tissoires Signed-off-by: Stéphane Chatty Signed-off-by: Jiri Kosina --- drivers/hid/hid-multitouch.c | 18 +++++++++++++++++- 1 file changed, 17 insertions(+), 1 deletion(-) (limited to 'drivers/hid/hid-multitouch.c') diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c index 7af9f7136bd5..3442ed56e964 100644 --- a/drivers/hid/hid-multitouch.c +++ b/drivers/hid/hid-multitouch.c @@ -33,6 +33,7 @@ MODULE_LICENSE("GPL"); #define MT_QUIRK_NOT_SEEN_MEANS_UP (1 << 0) #define MT_QUIRK_SLOT_IS_CONTACTID (1 << 1) #define MT_QUIRK_CYPRESS (1 << 2) +#define MT_QUIRK_SLOT_IS_CONTACTNUMBER (1 << 3) struct mt_slot { __s32 x, y, p, w, h; @@ -63,7 +64,8 @@ struct mt_class { /* classes of device behavior */ #define MT_CLS_DEFAULT 0 #define MT_CLS_DUAL1 1 -#define MT_CLS_CYPRESS 2 +#define MT_CLS_DUAL2 2 +#define MT_CLS_CYPRESS 3 /* * these device-dependent functions determine what slot corresponds @@ -75,6 +77,11 @@ static int slot_is_contactid(struct mt_device *td) return td->curdata.contactid; } +static int slot_is_contactnumber(struct mt_device *td) +{ + return td->num_received; +} + static int cypress_compute_slot(struct mt_device *td) { if (td->curdata.contactid != 0 || td->num_received == 0) @@ -105,6 +112,7 @@ static int find_slot_from_contactid(struct mt_device *td) struct mt_class mt_classes[] = { { 0, 0, 0, 10 }, /* MT_CLS_DEFAULT */ { MT_QUIRK_SLOT_IS_CONTACTID, 0, 0, 2 }, /* MT_CLS_DUAL1 */ + { MT_QUIRK_SLOT_IS_CONTACTNUMBER, 0, 0, 10 }, /* MT_CLS_DUAL2 */ { MT_QUIRK_CYPRESS | MT_QUIRK_NOT_SEEN_MEANS_UP, 0, 0, 10 }, /* MT_CLS_CYPRESS */ }; @@ -237,6 +245,9 @@ static int mt_compute_slot(struct mt_device *td) if (cls->quirks & MT_QUIRK_CYPRESS) return cypress_compute_slot(td); + if (cls->quirks & MT_QUIRK_SLOT_IS_CONTACTNUMBER) + return slot_is_contactnumber(td); + return find_slot_from_contactid(td); } @@ -441,6 +452,11 @@ static const struct hid_device_id mt_devices[] = { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_TRUETOUCH) }, + /* GeneralTouch panel */ + { .driver_data = MT_CLS_DUAL2, + HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, + USB_DEVICE_ID_GENERAL_TOUCH_WIN7_TWOFINGERS) }, + /* PixCir-based panels */ { .driver_data = MT_CLS_DUAL1, HID_USB_DEVICE(USB_VENDOR_ID_HANVON, -- cgit v1.2.1