From nobody Thu Dec 25 10:56:06 2025 Received: from inva020.nxp.com (inva020.nxp.com [92.121.34.13]) (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 8A5AE2560F; Thu, 18 Jan 2024 13:15:06 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=92.121.34.13 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1705583708; cv=none; b=AsI/BtSgoz2zxMRNYAEnCrdgwItB8vE6nNpMEwxoJGEKkRfjNlpe1/1duidWgMkc7ilHfSJUo2NYTWnvuonAm1lLWJ1zdPEjpqNPE4orZlCu9c3BWmMVta5rHc5y36xuS5iqj2kX9/FnkzCD6gYQljQe5KZND6CtetnswcM7MKs= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1705583708; c=relaxed/simple; bh=fpWAagc9TBPC2nK/rsoLD6Cght7/uGfO3bRO+j3x+wo=; h=Received:Received:Received:From:To:Subject:Date:Message-Id: X-Mailer:In-Reply-To:References:X-Virus-Scanned; b=Ex6lVsu5rSnZ2Yh8fBnosI5tl0QydeytizZRCbtY3HBaAYcH3jdHmHZXplXF5rDZWQE+D6r3MfCk+gMsymdXHAHpuyp1VONnwswIpp4MoSBre89StXneT2BoJmHA5/pcIAVd3neN6+8AtDmA3WqnGCdP/zjSVM8FZe55sUbAFAo= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=nxp.com; spf=pass smtp.mailfrom=nxp.com; arc=none smtp.client-ip=92.121.34.13 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=nxp.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=nxp.com Received: from inva020.nxp.com (localhost [127.0.0.1]) by inva020.eu-rdc02.nxp.com (Postfix) with ESMTP id F18A01A228F; Thu, 18 Jan 2024 14:15:04 +0100 (CET) Received: from aprdc01srsp001v.ap-rdc01.nxp.com (aprdc01srsp001v.ap-rdc01.nxp.com [165.114.16.16]) by inva020.eu-rdc02.nxp.com (Postfix) with ESMTP id 900CD1A22A0; Thu, 18 Jan 2024 14:15:04 +0100 (CET) Received: from localhost.localdomain (shlinux2.ap.freescale.net [10.192.224.44]) by aprdc01srsp001v.ap-rdc01.nxp.com (Postfix) with ESMTP id DA2F6183AC0A; Thu, 18 Jan 2024 21:15:02 +0800 (+08) From: Shengjiu Wang To: hverkuil@xs4all.nl, sakari.ailus@iki.fi, tfiga@chromium.org, m.szyprowski@samsung.com, mchehab@kernel.org, linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, shengjiu.wang@gmail.com, Xiubo.Lee@gmail.com, festevam@gmail.com, nicoleotsuka@gmail.com, lgirdwood@gmail.com, broonie@kernel.org, perex@perex.cz, tiwai@suse.com, alsa-devel@alsa-project.org, linuxppc-dev@lists.ozlabs.org Subject: [PATCH v12 10/15] media: uapi: Add audio rate controls support Date: Thu, 18 Jan 2024 20:32:03 +0800 Message-Id: <1705581128-4604-11-git-send-email-shengjiu.wang@nxp.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1705581128-4604-1-git-send-email-shengjiu.wang@nxp.com> References: <1705581128-4604-1-git-send-email-shengjiu.wang@nxp.com> X-Virus-Scanned: ClamAV using ClamSMTP Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Add V4L2_CID_M2M_AUDIO_SOURCE_RATE and V4L2_CID_M2M_AUDIO_DEST_RATE new IDs for rate control. Add V4L2_CID_M2M_AUDIO_SOURCE_RATE_OFFSET and V4L2_CID_M2M_AUDIO_DEST_RATE_OFFSET for clock drift. Signed-off-by: Shengjiu Wang --- .../media/v4l/ext-ctrls-audio-m2m.rst | 20 +++++++++++++++++++ drivers/media/v4l2-core/v4l2-ctrls-defs.c | 6 ++++++ include/uapi/linux/v4l2-controls.h | 5 +++++ 3 files changed, 31 insertions(+) diff --git a/Documentation/userspace-api/media/v4l/ext-ctrls-audio-m2m.rst = b/Documentation/userspace-api/media/v4l/ext-ctrls-audio-m2m.rst index 82d2ecedbfee..de579ab8fb94 100644 --- a/Documentation/userspace-api/media/v4l/ext-ctrls-audio-m2m.rst +++ b/Documentation/userspace-api/media/v4l/ext-ctrls-audio-m2m.rst @@ -19,3 +19,23 @@ Audio M2M Control IDs The Audio M2M class descriptor. Calling :ref:`VIDIOC_QUERYCTRL` for this control will return a description of this control class. + +.. _v4l2-audio-asrc: + +``V4L2_CID_M2M_AUDIO_SOURCE_RATE (integer menu)`` + Sets the audio source sample rate, unit is Hz + +``V4L2_CID_M2M_AUDIO_DEST_RATE (integer menu)`` + Sets the audio destination sample rate, unit is Hz + +``V4L2_CID_M2M_AUDIO_SOURCE_RATE_OFFSET (fixed point)`` + Sets the offset from the audio source sample rate, unit is Hz. + The offset compensates for any clock drift. The actual source audio + sample rate is the ideal source audio sample rate from + ``V4L2_CID_M2M_AUDIO_SOURCE_RATE`` plus this fixed point offset. + +``V4L2_CID_M2M_AUDIO_DEST_RATE_OFFSET (fixed point)`` + Sets the offset from the audio destination sample rate, unit is Hz. + The offset compensates for any clock drift. The actual destination aud= io + sample rate is the ideal source audio sample rate from + ``V4L2_CID_M2M_AUDIO_DEST_RATE`` plus this fixed point offset. diff --git a/drivers/media/v4l2-core/v4l2-ctrls-defs.c b/drivers/media/v4l2= -core/v4l2-ctrls-defs.c index 2a85ea3dc92f..91e1f5348c23 100644 --- a/drivers/media/v4l2-core/v4l2-ctrls-defs.c +++ b/drivers/media/v4l2-core/v4l2-ctrls-defs.c @@ -1245,6 +1245,8 @@ const char *v4l2_ctrl_get_name(u32 id) =20 /* Audio M2M controls */ case V4L2_CID_M2M_AUDIO_CLASS: return "Audio M2M Controls"; + case V4L2_CID_M2M_AUDIO_SOURCE_RATE: return "Audio Source Sample Rate"; + case V4L2_CID_M2M_AUDIO_DEST_RATE: return "Audio Destination Sample Rate"; default: return NULL; } @@ -1606,6 +1608,10 @@ void v4l2_ctrl_fill(u32 id, const char **name, enum = v4l2_ctrl_type *type, case V4L2_CID_COLORIMETRY_HDR10_MASTERING_DISPLAY: *type =3D V4L2_CTRL_TYPE_HDR10_MASTERING_DISPLAY; break; + case V4L2_CID_M2M_AUDIO_SOURCE_RATE: + case V4L2_CID_M2M_AUDIO_DEST_RATE: + *type =3D V4L2_CTRL_TYPE_INTEGER_MENU; + break; default: *type =3D V4L2_CTRL_TYPE_INTEGER; break; diff --git a/include/uapi/linux/v4l2-controls.h b/include/uapi/linux/v4l2-c= ontrols.h index a8b4b830c757..30129ccdc282 100644 --- a/include/uapi/linux/v4l2-controls.h +++ b/include/uapi/linux/v4l2-controls.h @@ -3495,6 +3495,11 @@ struct v4l2_ctrl_av1_film_grain { #define V4L2_CID_M2M_AUDIO_CLASS_BASE (V4L2_CTRL_CLASS_M2M_AUDIO | 0x900) #define V4L2_CID_M2M_AUDIO_CLASS (V4L2_CTRL_CLASS_M2M_AUDIO | 1) =20 +#define V4L2_CID_M2M_AUDIO_SOURCE_RATE (V4L2_CID_M2M_AUDIO_CLASS_BASE + 0) +#define V4L2_CID_M2M_AUDIO_DEST_RATE (V4L2_CID_M2M_AUDIO_CLASS_BASE + 1) +#define V4L2_CID_M2M_AUDIO_SOURCE_RATE_OFFSET (V4L2_CID_M2M_AUDIO_CLASS_BA= SE + 2) +#define V4L2_CID_M2M_AUDIO_DEST_RATE_OFFSET (V4L2_CID_M2M_AUDIO_CLASS_BASE= + 3) + /* MPEG-compression definitions kept for backwards compatibility */ #ifndef __KERNEL__ #define V4L2_CTRL_CLASS_MPEG V4L2_CTRL_CLASS_CODEC --=20 2.34.1