From patchwork Thu Dec 12 16:14:45 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?q?Fr=C3=A9d=C3=A9ric_Danis?= X-Patchwork-Id: 849829 Received: from bali.collaboradmins.com (bali.collaboradmins.com [148.251.105.195]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id AF3B3229698 for ; Thu, 12 Dec 2024 16:14:52 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=148.251.105.195 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1734020094; cv=none; b=OQM2Dh2CfCpsewUHKQaCiltrUbyO3HTuoM5uCshCBxw7ucqpoEngOivgQNb2516eee8w3hVHHNga1iYCChkMLI1073F1QWk5LUmLb4kyxlgq1it0GbsfvWMFttdFGC8sgDP5y6rVy0UOA0bCP6Za86V9fShYeF/ElZO7FZdgA/c= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1734020094; c=relaxed/simple; bh=75k8vQfAdxNCyc8upk6BS2mFTnwef5NOPkGdceviGNk=; h=From:To:Subject:Date:Message-Id:MIME-Version:Content-Type; b=F5GTUV2GLPkwcW6TrU6fOOj53wXn6l3wvd+8d0L9tCqL+A73DqucCWK9VtMBHkSdK/Dju0T342th0IDO7mJplcCard7QFSRcApbJ4FMaWlez+hkYTW7B0G1sGyP7kYIDAGP/BLaOX2qTjUQGDxR09c0GI3w+admjdSeiM6kvuZg= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=collabora.com; spf=pass smtp.mailfrom=collabora.com; dkim=pass (2048-bit key) header.d=collabora.com header.i=@collabora.com header.b=fcwJHgut; arc=none smtp.client-ip=148.251.105.195 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=collabora.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=collabora.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=collabora.com header.i=@collabora.com header.b="fcwJHgut" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1734020090; bh=75k8vQfAdxNCyc8upk6BS2mFTnwef5NOPkGdceviGNk=; h=From:To:Subject:Date:From; b=fcwJHgutx/kwln77xB1H9DsYxbh76u6aHN5P2+ED7CJX7SzECG7Xkp+Atriv0CBva iNjQ05+i/ViH+e4uaQn4EYxXFCMyol63gvYWY2wANsfEkd5dVHNby4cSDfR4EpTm7N MvzwOAss17kxAj/MV4jOObzRmLUZW+aVPXnQ+dZraFii3UIFXs9PGodTB6B+0xNWmb nIKGxvnAN58z07n2otlMbndfd/tTXPf1Q/mcuC+I38HlnMUVBW3Fg+h6dgPkd/Lweq LsYVynNZlmc8SvlRmGq22Xxq4JF54+ZvhRY6ysOkjvw1htbWcU8ad3gCUQEIRxXnLZ 5DVWU9B89qLog== Received: from fdanis-XPS-13-9370.. (67.227.121.78.rev.sfr.net [78.121.227.67]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: fdanis) by bali.collaboradmins.com (Postfix) with ESMTPSA id B380017E37A8 for ; Thu, 12 Dec 2024 17:14:50 +0100 (CET) From: =?utf-8?q?Fr=C3=A9d=C3=A9ric_Danis?= To: linux-bluetooth@vger.kernel.org Subject: [PATCH BlueZ] lib: Add constant for 16 bits transparent voice setting Date: Thu, 12 Dec 2024 17:14:45 +0100 Message-Id: <20241212161445.298083-1-frederic.danis@collabora.com> X-Mailer: git-send-email 2.34.1 Precedence: bulk X-Mailing-List: linux-bluetooth@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Add 16 bits, 2s complement, transparent air coding format for mSBC. Corresponding commit implements functionality on kernel side. The voice setting is used by sco_connect() or sco_conn_defer_accept() after being set by sco_sock_setsockopt(). The PCM part of the voice setting is used for offload mode through PCM chipset port. This commits add support for mSBC 16 bits offloading, i.e. audio data not transported over HCI. The BCM4349B1 supports 16 bits transparent data on its I2S port. If BT_VOICE_TRANSPARENT is used when accepting a SCO connection, this gives only garbage audio while using BT_VOICE_TRANSPARENT_16BIT gives correct audio. This has been tested with connection to iPhone 14 and Samsung S24. --- lib/bluetooth.h | 1 + 1 file changed, 1 insertion(+) diff --git a/lib/bluetooth.h b/lib/bluetooth.h index 073ed875d..32e58678b 100644 --- a/lib/bluetooth.h +++ b/lib/bluetooth.h @@ -111,6 +111,7 @@ struct bt_voice { #define BT_VOICE_TRANSPARENT 0x0003 #define BT_VOICE_CVSD_16BIT 0x0060 +#define BT_VOICE_TRANSPARENT_16BIT 0x0063 #define BT_PHY 14