HID: multitouch: Support PTP Stick and Touchpad device

BugLink:  https://bugs.launchpad.net/bugs/1712481

Support PTP Stick and Touchpad device. This Touchpad is Precision Touchpad
(PTP), and Stick Pointer data is the same as Mouse; Stick Pointer works as
Mouse.

[jkosina@suse.cz: changelog deuglification]
Signed-off-by: Masaki Ota <masaki.ota@jp.alps.com>
Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
(cherry picked from commit 504c932c7c47a6b4c572302a13873f7d83af1ff3)
Signed-off-by: Shrirang Bagul <shrirang.bagul@canonical.com>
Acked-by: Stefan Bader <stefan.bader@canonical.com>
Acked-by: Colin King <colin.king@canonical.com>
Signed-off-by: Kleber Sacilotto de Souza <kleber.souza@canonical.com>

diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index 1f479653b08b2614815d71803d04954c48556db7..04ea7e90e8b809c88bf52e8fa2b274ff5b808467 100644 (file)
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -69,6 +69,8 @@
 
 #define USB_VENDOR_ID_ALPS_JP          0x044E
 #define HID_DEVICE_ID_ALPS_U1_DUAL     0x120B
+#define HID_DEVICE_ID_ALPS_U1_DUAL_PTP 0x121F
+#define HID_DEVICE_ID_ALPS_U1_DUAL_3BTN_PTP    0x1220
 
 #define USB_VENDOR_ID_AMI              0x046b
 #define USB_DEVICE_ID_AMI_VIRT_KEYBOARD_AND_MOUSE      0xff10

diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c
index 2177721a6cfca810a106946d24146d007b2509d8..f501b06844fc2648f87b2dd1d6632e9eb3842a3e 100644 (file)
--- a/drivers/hid/hid-multitouch.c
+++ b/drivers/hid/hid-multitouch.c
@@ -145,6 +145,7 @@ static void mt_post_parse(struct mt_device *td);
 /* reserved                                    0x0011 */
 #define MT_CLS_WIN_8                           0x0012
 #define MT_CLS_EXPORT_ALL_INPUTS               0x0013
+#define MT_CLS_WIN_8_DUAL                      0x0014
 
 /* vendor specific classes */
 #define MT_CLS_3M                              0x0101
@@ -213,6 +214,12 @@ static struct mt_class mt_classes[] = {
                .quirks = MT_QUIRK_ALWAYS_VALID |
                        MT_QUIRK_CONTACT_CNT_ACCURATE,
                .export_all_inputs = true },
+       { .name = MT_CLS_WIN_8_DUAL,
+               .quirks = MT_QUIRK_ALWAYS_VALID |
+                       MT_QUIRK_IGNORE_DUPLICATES |
+                       MT_QUIRK_HOVERING |
+                       MT_QUIRK_CONTACT_CNT_ACCURATE,
+               .export_all_inputs = true },
 
        /*
         * vendor specific classes
@@ -504,7 +511,8 @@ static int mt_touch_input_mapping(struct hid_device *hdev, struct hid_input *hi,
                        mt_store_field(usage, td, hi);
                        return 1;
                case HID_DG_CONFIDENCE:
-                       if (cls->name == MT_CLS_WIN_8 &&
+                       if ((cls->name == MT_CLS_WIN_8 ||
+                               cls->name == MT_CLS_WIN_8_DUAL) &&
                                field->application == HID_DG_TOUCHPAD)
                                cls->quirks |= MT_QUIRK_CONFIDENCE;
                        mt_store_field(usage, td, hi);
@@ -571,7 +579,8 @@ static int mt_touch_input_mapping(struct hid_device *hdev, struct hid_input *hi,
                 * MS PTP spec says that external buttons left and right have
                 * usages 2 and 3.
                 */
-               if (cls->name == MT_CLS_WIN_8 &&
+               if ((cls->name == MT_CLS_WIN_8 ||
+                       cls->name == MT_CLS_WIN_8_DUAL) &&
                    field->application == HID_DG_TOUCHPAD &&
                    (usage->hid & HID_USAGE) > 1)
                        code--;
@@ -1209,6 +1218,16 @@ static const struct hid_device_id mt_devices[] = {
                MT_USB_DEVICE(USB_VENDOR_ID_3M,
                        USB_DEVICE_ID_3M3266) },
 
+       /* Alps devices */
+       { .driver_data = MT_CLS_WIN_8_DUAL,
+               HID_DEVICE(BUS_I2C, HID_GROUP_MULTITOUCH_WIN_8,
+                       USB_VENDOR_ID_ALPS_JP,
+                       HID_DEVICE_ID_ALPS_U1_DUAL_PTP) },
+       { .driver_data = MT_CLS_WIN_8_DUAL,
+               HID_DEVICE(BUS_I2C, HID_GROUP_MULTITOUCH_WIN_8,
+                       USB_VENDOR_ID_ALPS_JP,
+                       HID_DEVICE_ID_ALPS_U1_DUAL_3BTN_PTP) },
+
        /* Anton devices */
        { .driver_data = MT_CLS_EXPORT_ALL_INPUTS,
                MT_USB_DEVICE(USB_VENDOR_ID_ANTON,