linux-rockchip

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Sven Peter 077bff242c Bluetooth: Add quirk to disable MWS Transport Configuration

[ Upstream commit ffcb0a445ec2d5753751437706aa0a7ea8351099 ]

Broadcom 4378/4387 controllers found in Apple Silicon Macs claim to
support getting MWS Transport Layer Configuration,

< HCI Command: Read Local Supported... (0x04|0x0002) plen 0
> HCI Event: Command Complete (0x0e) plen 68
      Read Local Supported Commands (0x04|0x0002) ncmd 1
        Status: Success (0x00)
[...]
          Get MWS Transport Layer Configuration (Octet 30 - Bit 3)]
[...]

, but then don't actually allow the required command:

> HCI Event: Command Complete (0x0e) plen 15
      Get MWS Transport Layer Configuration (0x05|0x000c) ncmd 1
        Status: Command Disallowed (0x0c)
        Number of transports: 0
        Baud rate list: 0 entries
        00 00 00 00 00 00 00 00 00 00

Signed-off-by: Sven Peter <sven@svenpeter.dev>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

2022-12-31 13:33:05 +01:00