linux-kernel - Re: [PATCH] Bluetooth: btusb: Add a quirk for BCM43142A0 (105b:e065)

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Date:	Tue, 19 May 2015 20:19:37 +0200
From:	Marcel Holtmann <marcel@...tmann.org>
To:	Eugene Shatokhin <eugene.shatokhin@...alab.ru>
Cc:	"Gustavo F. Padovan" <gustavo@...ovan.org>,
	Johan Hedberg <johan.hedberg@...il.com>,
	"bluez mailin list (linux-bluetooth@...r.kernel.org)" 
	<linux-bluetooth@...r.kernel.org>,
	Andrey Ponomarenko <aponomarenko@...alab.ru>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] Bluetooth: btusb: Add a quirk for BCM43142A0 (105b:e065)

Hi Eugene,

> USB Bluetooth module by Foxconn International, Inc. (USB IDs: 105b:e065)
> is based on BCM43142A0 chip by Broadcom. This module can be found, for
> example, in Lenovo B590 and a few other laptops.
> 
> This device requires firmware update to be operational, so this patch
> adds a quirk for it.
> 
> With the firmware properly converted and placed:
> Bluetooth: hci0: BCM: patching hci_ver=06 hci_rev=0000 lmp_ver=06
> lmp_subver=210b
> Bluetooth: hci0: BCM: firmware hci_ver=06 hci_rev=00ac lmp_ver=06
> lmp_subver=210b
> 
> From the output of usb-devices:
> T:  Bus=01 Lev=02 Prnt=02 Port=03 Cnt=01 Dev#=  3 Spd=12  MxCh= 0
> D:  Ver= 2.00 Cls=ff(vend.) Sub=01 Prot=01 MxPS=64 #Cfgs=  1
> P:  Vendor=105b ProdID=e065 Rev=01.12
> S:  Manufacturer=Broadcom Corp
> S:  Product=BCM43142A0
> S:  SerialNumber=F82FA8FAFEBA
> C:  #Ifs= 4 Cfg#= 1 Atr=e0 MxPwr=0mA
> I:  If#= 0 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=01 Prot=01 Driver=btusb
> I:  If#= 1 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=01 Prot=01 Driver=btusb
> I:  If#= 2 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=ff Prot=ff Driver=(none)
> I:  If#= 3 Alt= 0 #EPs= 0 Cls=fe(app. ) Sub=01 Prot=01 Driver=(none)
> 
> Tested on Lenovo B590 with kernel 4.0.1 and 4.0.3, x86_64.
> 
> Signed-off-by: Eugene Shatokhin <eugene.shatokhin@...alab.ru>
> ---
> drivers/bluetooth/btusb.c | 3 +++
> 1 file changed, 3 insertions(+)
> 
> diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
> index d21f3b4..ed3c72a 100644
> --- a/drivers/bluetooth/btusb.c
> +++ b/drivers/bluetooth/btusb.c
> @@ -120,6 +120,9 @@ static const struct usb_device_id btusb_table[] = {
> 	/* Broadcom BCM20702B0 (Dynex/Insignia) */
> 	{ USB_DEVICE(0x19ff, 0x0239), .driver_info = BTUSB_BCM_PATCHRAM },
> 
> +	/* Broadcom BCM43142A0 (Foxconn) */
> +	{ USB_DEVICE(0x105b, 0xe065), .driver_info = BTUSB_BCM_PATCHRAM },
> +
> 	/* Foxconn - Hon Hai */
> 	{ USB_VENDOR_AND_INTERFACE_INFO(0x0489, 0xff, 0x01, 0x01),
> 	  .driver_info = BTUSB_BCM_PATCHRAM },

I am wondering if want to use USB_VENDOR_AND_INTERFACE_INFO instead. We already have a Foxconn entry. Is Vendor ID 0x105b also for Foxconn. Or is this actually Lenovo?

Regards

Marcel

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