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Subject: Re: [PATCH v2] Bluetooth: btusb: Add support USB ALT 3 for WBS
From:   Marcel Holtmann <marcel@holtmann.org>
In-Reply-To: <20210514031901.2276-1-hildawu@realtek.com>
Date:   Thu, 20 May 2021 17:23:41 +0200
Cc:     Johan Hedberg <johan.hedberg@gmail.com>,
        Luiz Augusto von Dentz <luiz.dentz@gmail.com>,
        "open list:BLUETOOTH SUBSYSTEM" <linux-bluetooth@vger.kernel.org>,
        open list <linux-kernel@vger.kernel.org>,
        Max Chou <max.chou@realtek.com>,
        Alex Lu <alex_lu@realsil.com.cn>, kidman@realtek.com
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To:     Hilda Wu <hildawu@realtek.com>
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Hi Hilda,

> Because mSBC frames do not need to be aligned to the SCO packet
> boundary. Using USB ALT 3 let HCI payload >= 60 bytes, let mSBC
> data satisfy 60 Bytes avoid payload unaligned situation and fixed
> some headset no voise issue.
> 
> USB Alt 3 supported also need HFP support transparent MTU in 72 Bytes.
> 
> Signed-off-by: Hilda Wu <hildawu@realtek.com>
> ---
> Changes in v2:
> - Updated signed off name.
> - Adjusted coding style.
> ---
> ---
> drivers/bluetooth/btusb.c | 7 +++++++
> 1 file changed, 7 insertions(+)

patch has been applied to bluetooth-next tree.

Regards

Marcel