On Wed, 12 May 2010, Justin P. Mattock wrote:
> > > --- a/drivers/hid/hid-magicmouse.c
> > > +++ b/drivers/hid/hid-magicmouse.c
> > > @@ -354,7 +354,7 @@ static int magicmouse_probe(struct hid_device *hdev,
> > > goto err_free;
> > > }
> > >
> > > - ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT& ~HID_CONNECT_HIDINPUT);
> > > + ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
> > >
> > This is not particularly right, as we'll end up having dangling input
> > device.
> >
> > The problem is, that when HIDRAW is not set, hid_hw_start() returns ENODEV
> > as no subsystem has claimed the device, and probe routine bails out. Which
> > is not what we want.
> >
> > Does the testing patch below fix the problems you are seeing?
> >
> >
> >
> works good.. rebooted a few times mouse connects. suspended a few times
> mouse reconnects.
I'd be glad if you could also double-check that device removal and
re-connecting it works well as well with this patch.
> > diff --git a/drivers/hid/hid-magicmouse.c b/drivers/hid/hid-magicmouse.c
> > index 0d471fc..f10d56a 100644
> > --- a/drivers/hid/hid-magicmouse.c
> > +++ b/drivers/hid/hid-magicmouse.c
> > @@ -354,12 +354,15 @@ static int magicmouse_probe(struct hid_device *hdev,
> > goto err_free;
> > }
> >
> > - ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT& ~HID_CONNECT_HIDINPUT);
> > + ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
> > if (ret) {
> > dev_err(&hdev->dev, "magicmouse hw start failed\n");
> > goto err_free;
> > }
> >
> > + /* we are handling the input ourselves */
> > + hidinput_disconnect(hdev);
> > +
> > report = hid_register_report(hdev, HID_INPUT_REPORT, TOUCH_REPORT_ID);
> > if (!report) {
> > dev_err(&hdev->dev, "unable to register touch report\n");
> >
> >
>
> looks good over here.. If you'd like I can re-du this patch, add your
> sign off etc.. and re-send, or not worry.. either way this little
> quirk/problem is fixed.
No problem, once you confirm that device removal wasn't broken again and
if I don't hear any objections from Michael, I will queue the patch
myself.
Thanks,
--
Jiri Kosina
SUSE Labs, Novell Inc.
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