On Feb 25 2015 or thereabouts, Nikolai Kondrashov wrote:
> On 02/25/2015 02:05 AM, Benjamin Tissoires wrote:
> >The Huion tablets show 3 interfaces. Only the first and the third
> >are currently used.
> >Also remove HID_QUIRK_MULTI_INPUT for the third interface to not
> >create more than needed input nodes.
> >
> >Signed-off-by: Benjamin Tissoires <benjamin.tissoi...@redhat.com>
> >---
> > drivers/hid/hid-uclogic.c | 5 +++++
> > 1 file changed, 5 insertions(+)
> >
> >diff --git a/drivers/hid/hid-uclogic.c b/drivers/hid/hid-uclogic.c
> >index 397f1df..c03e076 100644
> >--- a/drivers/hid/hid-uclogic.c
> >+++ b/drivers/hid/hid-uclogic.c
> >@@ -840,6 +840,11 @@ static int uclogic_probe(struct hid_device *hdev,
> > hid_err(hdev, "tablet enabling failed\n");
> > return rc;
> > }
> >+ } else if (intf->cur_altsetting->desc.bInterfaceNumber == 2) {
> >+ hdev->quirks &= ~HID_QUIRK_MULTI_INPUT;
> >+ } else {
> >+ /* Ignore all unused interfaces */
> >+ return -ENODEV;
> > }
> > break;
> > }
> >
>
> I would hesitate to remove the mouse interface as there are relatively fresh
> UC-Logic tablets [1] out there which have a mouse, and which could respond to
> the initialization. These mice are of questionable usefulness, true, but
> leaving the interface enabled could make it easier for other people to
> experiment with using this driver with their tablets.
OK, I will just remove the quirk for the mouse interface then.
>
> What do you think, Benjamin?
>
You have a better knowledge of the currently available devices. So I'll
follow your ideas.
> Nick
>
> [1] http://digimend.github.io/tablets/UC-Logic_TWHL850/
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