Hi Leif, > this is an reference to: > https://bugzilla.kernel.org/show_bug.cgi?id=193571 > > There's been numerous reported instances where BTUSB_QCA_ROME > bluetooth controllers stop functioning upon resume from suspend. These > devices seem to be losing power during suspend. Patch will detect a > status change on resume and perform a reset. > > **patch below is based on this previous patch that affected Realtek > btusb devices > http://www.spinics.net/lists/linux-bluetooth/msg61943.html > > > diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c > index fa24d69..2503709 100644 > --- a/drivers/bluetooth/btusb.c > +++ b/drivers/bluetooth/btusb.c > @@ -3067,6 +3067,12 @@ static int btusb_probe(struct usb_interface *intf, > if (id->driver_info & BTUSB_QCA_ROME) { > data->setup_on_usb = btusb_setup_qca; > hdev->set_bdaddr = btusb_set_bdaddr_ath3012; > + > + /* QCA Rome devices lose their updated firmware over suspend, > + * but the USB hub doesn't notice any status change. > + * Explicitly request a device reset on resume. > + */ > + set_bit(BTUSB_RESET_RESUME, &data->flags); > } this is all mangled up with spaces. Regards Marcel -- To unsubscribe from this list: send the line "unsubscribe linux-bluetooth" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
