Re: [PATCH] Bluetooth: btusb: Add a module parameter ignore_id for debugging

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Hi Hui,

> There is always an on-board usb bluetooth hci on the laptops, if
> the bluetooth function doesn't work well like a bt headset can't work
> with HSP/HFP mode, we often plug an external usb BT hci to verify if
> that headset could work with the exteral BT hci or not, in this
> situation, there will be 2 hcis (hci0 and hci1) in the system, and
> so far, the gnome can't handle the hci1 well so we met lots of
> problems when debugging with hci1 under gnome.
> 
> After adding this new module parameter, we could ban the on-board
> usb hci by putting btusb.ignore_id=idVendor,idProduct to the bootargs,
> then the external usb hci will be hci0 and there is only one hci
> in the system. We could easily debug with the external usb bluetooth
> hci after this change.
> 
> Signed-off-by: Hui Wang <hui.wang@xxxxxxxxxxxxx>
> ---
> drivers/bluetooth/btusb.c | 11 +++++++++++
> 1 file changed, 11 insertions(+)

please use this instead.

echo “vvvv pppp 0 08fd 0002" > /sys/bus/usb/drivers/foo/new_id

Regards

Marcel




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