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authorNikolai Kondrashov <spbnick@gmail.com>2016-09-14 21:38:20 +0300
committerJiri Kosina <jkosina@suse.cz>2016-09-19 14:32:24 +0200
commit3202bb7fb021e81dc988735a8b5f42f82aa912f3 (patch)
treedd662ccc0c151296147da39a7763fbe0cc084f31 /drivers/hid/hid-uclogic.c
parent6e0263346321372e5494d0e5d74a700b0829776d (diff)
HID: uclogic: Add support for UC-Logic TWHA60 v3
Add support for the third version of UC-Logic TWHA60, which has three interfaces and responds to initialization. Signed-off-by: Nikolai Kondrashov <spbnick@gmail.com> Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Diffstat (limited to 'drivers/hid/hid-uclogic.c')
-rw-r--r--drivers/hid/hid-uclogic.c23
1 files changed, 23 insertions, 0 deletions
diff --git a/drivers/hid/hid-uclogic.c b/drivers/hid/hid-uclogic.c
index 64abd8d73125..1509d7287ff3 100644
--- a/drivers/hid/hid-uclogic.c
+++ b/drivers/hid/hid-uclogic.c
@@ -938,6 +938,7 @@ static int uclogic_probe(struct hid_device *hdev,
{
int rc;
struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
+ struct usb_device *udev = hid_to_usb_dev(hdev);
struct uclogic_drvdata *drvdata;
/*
@@ -988,6 +989,28 @@ static int uclogic_probe(struct hid_device *hdev,
drvdata->ignore_pen_usage = true;
}
break;
+ case USB_DEVICE_ID_UCLOGIC_TABLET_TWHA60:
+ /*
+ * If it is the three-interface version, which is known to
+ * respond to initialization.
+ */
+ if (udev->config->desc.bNumInterfaces == 3) {
+ /* If it is the pen interface */
+ if (intf->cur_altsetting->desc.bInterfaceNumber == 0) {
+ rc = uclogic_tablet_enable(hdev);
+ if (rc) {
+ hid_err(hdev, "tablet enabling failed\n");
+ return rc;
+ }
+ drvdata->invert_pen_inrange = true;
+
+ rc = uclogic_button_enable(hdev);
+ drvdata->has_virtual_pad_interface = !rc;
+ } else {
+ drvdata->ignore_pen_usage = true;
+ }
+ }
+ break;
}
rc = hid_parse(hdev);