HID: multitouch: add support for Touch Revolution touchscreens

[linux-imx.git] / drivers / hid / hid-multitouch.c

diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c
index 76479246d4ee35ef537cf66e83fe5c9f1a6683af..7b7fdc1149f146f5c49b6ced5551e502db48e8de 100644 (file)
--- a/drivers/hid/hid-multitouch.c
+++ b/drivers/hid/hid-multitouch.c
@@ -83,6 +83,7 @@ struct mt_device {
        unsigned last_field_index;      /* last field index of the report */
        unsigned last_slot_field;       /* the last field of a slot */
        __s8 inputmode;         /* InputMode HID feature, -1 if non-existent */
+       __s8 inputmode_index;   /* InputMode HID feature index in the report */
        __s8 maxcontact_report_id;      /* Maximum Contact Number HID feature,
                                   -1 if non-existent */
        __u8 num_received;      /* how many contacts we received */
@@ -260,10 +261,20 @@ static void mt_feature_mapping(struct hid_device *hdev,
                struct hid_field *field, struct hid_usage *usage)
 {
        struct mt_device *td = hid_get_drvdata(hdev);
+       int i;
 
        switch (usage->hid) {
        case HID_DG_INPUTMODE:
                td->inputmode = field->report->id;
+               td->inputmode_index = 0; /* has to be updated below */
+
+               for (i=0; i < field->maxusage; i++) {
+                       if (field->usage[i].hid == usage->hid) {
+                               td->inputmode_index = i;
+                               break;
+                       }
+               }
+
                break;
        case HID_DG_CONTACTMAX:
                td->maxcontact_report_id = field->report->id;
@@ -618,7 +629,7 @@ static void mt_set_input_mode(struct hid_device *hdev)
        re = &(hdev->report_enum[HID_FEATURE_REPORT]);
        r = re->report_id_hash[td->inputmode];
        if (r) {
-               r->field[0]->value[0] = 0x02;
+               r->field[0]->value[td->inputmode_index] = 0x02;
                usbhid_submit_report(hdev, r, USB_DIR_OUT);
        }
 }
@@ -875,6 +886,15 @@ static const struct hid_device_id mt_devices[] = {
        { .driver_data = MT_CLS_EGALAX_SERIAL,
                MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
                        USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_A001) },
+       { .driver_data = MT_CLS_EGALAX,
+               HID_USB_DEVICE(USB_VENDOR_ID_DWAV,
+                       USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7224) },
+       { .driver_data = MT_CLS_EGALAX,
+               HID_USB_DEVICE(USB_VENDOR_ID_DWAV,
+                       USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72D0) },
+       { .driver_data = MT_CLS_EGALAX,
+               HID_USB_DEVICE(USB_VENDOR_ID_DWAV,
+                       USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72C4) },
 
        /* Elo TouchSystems IntelliTouch Plus panel */
        { .driver_data = MT_CLS_DUAL_NSMU_CONTACTID,
@@ -951,6 +971,11 @@ static const struct hid_device_id mt_devices[] = {
                MT_USB_DEVICE(USB_VENDOR_ID_PANASONIC,
                        USB_DEVICE_ID_PANABOARD_UBT880) },
 
+       /* Novatek Panel */
+       { .driver_data = MT_CLS_DEFAULT,
+               MT_USB_DEVICE(USB_VENDOR_ID_NOVATEK,
+                       USB_DEVICE_ID_NOVATEK_PCT) },
+
        /* PenMount panels */
        { .driver_data = MT_CLS_CONFIDENCE,
                MT_USB_DEVICE(USB_VENDOR_ID_PENMOUNT,