Re: [Bluez-devel] [patch] Broadcom BCM2045 SCO workaround

[Marcel Holtmann <marcel@holtmann.org>]

Hi Xuan,

> The Broadcom BCM2045 chipset seems to be also one of those chipsets
> which report the SCO maximum packet incorrectly. The attached patch
> works around this problem. With this workaround, a bluetooth USB
> dongle with this chipset is able to send SCO data correctly.
> 
> The fix was verified using this USB dongle (MSI StarKey 2.0 (Ver
> 222-BW))
>         Bus 002 Device 004: ID 0a5c:2101 Broadcom Corp.
>         Device Descriptor:
>           bLength                18
>           bDescriptorType         1
>           bcdUSB               2.00
>           bDeviceClass          224 Wireless
>           bDeviceSubClass         1 Radio Frequency
>           bDeviceProtocol         1 Bluetooth
>           bMaxPacketSize0        64
>           idVendor           0x0a5c Broadcom Corp.
>           idProduct          0x2101
>           bcdDevice            0.00
>           iManufacturer           1 Broadcom Corp
>           iProduct                2 BCM92045DG Non-UHE
>           iSerial                 0
>           bNumConfigurations      1

is this a dongle with HID proxy support or not. If yes, then you need
the HCI_RESET quirk otherwise you don't. So please check if it still
works after not including the HCI_RESET quirk.

Regards

Marcel



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