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Bluetooth: btusb: Add support USB ALT 3 for WBS
authorHilda Wu <hildawu@realtek.com>
Fri, 14 May 2021 03:19:01 +0000 (11:19 +0800)
committerMarcel Holtmann <marcel@holtmann.org>
Sat, 26 Jun 2021 05:12:33 +0000 (07:12 +0200)
commite848dbd364aca44c9d23c04bef964fab79e2b34f
treea2fa49f81fad8d297de9935305efb7109082f7d0tree
parentde895b43932cb47e69480540be7eca289af24f23commit | diff
Bluetooth: btusb: Add support USB ALT 3 for WBS

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>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
drivers/bluetooth/btusb.c diff | blob | history
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