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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>
Thu, 20 May 2021 15:23:08 +0000 (17:23 +0200)
commit3c12c376e96583aaf01fc428ccadf1f8655bdaef
treed311e3f07be449f852bae4dfee816a1ddfcda3eftree
parent2aaf532ca1b604439b2ebac43657481cd8e0454acommit | 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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