lkml.org 
[lkml]   [2011]   [Jun]   [9]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    Date
    From
    SubjectRe: Linux 2.6.39.1
    On Thu, 9 Jun 2011, Ed Tomlinson wrote:

    > > > > I also played a bit with 1.1 CSR dongle and couldn't find any mask that would
    > > > > be accepted. I think this command can be left out for older than 1.2 devices.
    > > > >
    > > > > Following patch should do it. Could you verify it. I don't have access to old
    > > > > hw ATM.
    > > > >
    > > > > diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
    > > > > index 19cd4af..86d1e26 100644
    > > > > --- a/net/bluetooth/hci_event.c
    > > > > +++ b/net/bluetooth/hci_event.c
    > > > > @@ -477,14 +477,16 @@ static void hci_setup_event_mask(struct hci_dev *hdev)
    > > > > * command otherwise */
    > > > > u8 events[8] = { 0xff, 0xff, 0xfb, 0xff, 0x00, 0x00, 0x00, 0x00 };
    > > > >
    > > > > - /* Events for 1.2 and newer controllers */
    > > > > - if (hdev->lmp_ver > 1) {
    > > > > - events[4] |= 0x01; /* Flow Specification Complete */
    > > > > - events[4] |= 0x02; /* Inquiry Result with RSSI */
    > > > > - events[4] |= 0x04; /* Read Remote Extended Features Complete */
    > > > > - events[5] |= 0x08; /* Synchronous Connection Complete */
    > > > > - events[5] |= 0x10; /* Synchronous Connection Changed */
    > > > > - }
    > > > > + /* CSR 1.1 dongles does not accept any bitfield so don't try to set
    > > > > + * any event mask for pre 1.2 devices */
    > > > > + if (hdev->lmp_ver <= 1)
    > > > > + return;
    > > > > +
    > > > > + events[4] |= 0x01; /* Flow Specification Complete */
    > > > > + events[4] |= 0x02; /* Inquiry Result with RSSI */
    > > > > + events[4] |= 0x04; /* Read Remote Extended Features Complete */
    > > > > + events[5] |= 0x08; /* Synchronous Connection Complete */
    > > > > + events[5] |= 0x10; /* Synchronous Connection Changed */
    > > > >
    > > > > if (hdev->features[3] & LMP_RSSI_INQ)
    > > > > events[4] |= 0x04; /* Inquiry Result with RSSI */
    > > >
    > > > Where did this patch come from? I don't see it in Linus' tree. If this
    > > > patch is merged, I can test the a new kernel out to see if we should
    > > > back out the commit from Jiri. However, right now my magic trackpad
    > > > (which has the same issue as the magic mouse) works fine on plain 2.6.39.1.
    > >
    > > It might be because of different versions of CSR dongles you guys might
    > > have.
    > >
    > > I am still a bit lost here -- Ed, do you say that with the patch above,
    > > and with my patch reverted, your device is working properly?
    >
    > Yes. Your understanding is correct.

    Thanks for confirming. I'll wait for Chase's confirmation that it works
    for him as well (so that we could rule out hardware differencies playing
    a role), and will then push revert to Linus.

    Thanks,

    --
    Jiri Kosina
    SUSE Labs


    \
     
     \ /
      Last update: 2011-06-09 14:45    [W:0.023 / U:29.840 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site