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Message-Id: <57C56801-7F3B-478A-83E9-1D2376C60666@holtmann.org>
Date:   Mon, 23 Mar 2020 19:48:39 +0100
From:   Marcel Holtmann <marcel@...tmann.org>
To:     Joe Perches <joe@...ches.com>
Cc:     Miao-chen Chou <mcchou@...omium.org>,
        Bluetooth Kernel Mailing List 
        <linux-bluetooth@...r.kernel.org>,
        Luiz Augusto von Dentz <luiz.von.dentz@...el.com>,
        Alain Michaud <alainm@...omium.org>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Johan Hedberg <johan.hedberg@...il.com>,
        linux-kernel@...r.kernel.org, netdev@...r.kernel.org
Subject: Re: [PATCH v1 1/2] Bluetooth: btusb: Indicate Microsoft vendor
 extension for Intel 9460/9560 and 9160/9260

Hi Joe,

>>> This adds a bit mask of driver_info for Microsoft vendor extension and
>>> indicates the support for Intel 9460/9560 and 9160/9260. See
>>> https://docs.microsoft.com/en-us/windows-hardware/drivers/bluetooth/
>>> microsoft-defined-bluetooth-hci-commands-and-events for more information
>>> about the extension. This was verified with Intel ThunderPeak BT controller
>>> where msft_vnd_ext_opcode is 0xFC1E.
> []
>>> diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h
> []
>>> @@ -315,6 +315,10 @@ struct hci_dev {
>>> 	__u8		ssp_debug_mode;
>>> 	__u8		hw_error_code;
>>> 	__u32		clock;
>>> +	__u16		msft_vnd_ext_opcode;
>>> +	__u64		msft_vnd_ext_features;
>>> +	__u8		msft_vnd_ext_evt_prefix_len;
>>> +	void		*msft_vnd_ext_evt_prefix;
> 
> msft is just another vendor.
> 
> If there are to be vendor extensions, this should
> likely use a blank line above and below and not
> be prefixed with msft_

there are other vendors, but all of them are different. So this needs to be prefixed with msft_ actually. But I agree that having empty lines above and below makes it more readable.

Regards

Marcel

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