From patchwork Fri Dec 13 23:53:48 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wesley Cheng X-Patchwork-Id: 13908190 Received: from mx0a-0031df01.pphosted.com (mx0a-0031df01.pphosted.com [205.220.168.131]) (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 F40781DE4E5; Fri, 13 Dec 2024 23:54:34 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=205.220.168.131 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1734134076; cv=none; b=eS0rvUxjm/d1/uWfbvH/llr7tie/int7d/vNRlcIqEYUIR5qhBIvz6FxI7dsU0Xlmf2tyL2EChSQ7bN+3JfoqCMFTFxqPTNSIU0UcLD8bH/aMAF5RmkfKAEl8LMvSg9O1q+zwLWApjRsGoWyn6pu6Hj8FrEyJn/sP12FXRCjt0Q= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1734134076; c=relaxed/simple; bh=/0BUePXCjDe2dvyIfgi+uxxma+svVMb2CYRe6BmwSxI=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=BIqV2hchUjaWKWCuqeLAD9lhSfT9Cq2HPTIGZ6o4jT/pFXvQyiDivpr+DUZRsxrbNm64LDqJMeQQT7c+s44UCi53uiBWsT/DdOkVxR3gMrIdqKtM+O5XgbXYAChs8Q24alRyFAEkaetHiy58A0GdUZSfMOU3E5TZsEFvGjlok/o= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=quicinc.com; spf=pass smtp.mailfrom=quicinc.com; dkim=pass (2048-bit key) header.d=quicinc.com header.i=@quicinc.com header.b=khcAkVVU; arc=none smtp.client-ip=205.220.168.131 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=quicinc.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=quicinc.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=quicinc.com header.i=@quicinc.com header.b="khcAkVVU" Received: from pps.filterd (m0279866.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.18.1.2/8.18.1.2) with ESMTP id 4BDNEaPX018424; Fri, 13 Dec 2024 23:54:19 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; h= cc:content-transfer-encoding:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to; s=qcppdkim1; bh= XoGdKIizFgFicifOv4Mw7Xk1xEzilOWk10gvvdIr4yk=; b=khcAkVVUtb5yKYvE NIpQJnFLwm5ev9JXFgXn203zxXk/rH71zou2E4iAmLQbnSE8w7ncVlOr0gQ3+qwn Ku6JpZf2dO81HQedFSOFLNzvbPbPuSKsOZHPfO/+leIFTIaEr2pRKlyiB0ZqJ5jk MPKElzB+7yqLVPyCq/WLOdhGPNF6DhKh7gUdivPUpqk999Y0R70exHL7014l1AAg SbCF+kPDub0sDIDh6Ofd6/sPhTdrvQQ+zsAEsilUqxWQx0rTkeRmaifobfokEzFP hTdwiz6RU2TXk5VFlUP4SHz+bofDpuDZBklVYIwQM3ulipBywX1VyQJvJigrw04a S7tfsA== Received: from nalasppmta03.qualcomm.com (Global_NAT1.qualcomm.com [129.46.96.20]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 43gjnb1x33-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 13 Dec 2024 23:54:19 +0000 (GMT) Received: from nalasex01b.na.qualcomm.com (nalasex01b.na.qualcomm.com [10.47.209.197]) by NALASPPMTA03.qualcomm.com (8.18.1.2/8.18.1.2) with ESMTPS id 4BDNsItO023094 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 13 Dec 2024 23:54:18 GMT Received: from hu-wcheng-lv.qualcomm.com (10.49.16.6) by nalasex01b.na.qualcomm.com (10.47.209.197) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.9; Fri, 13 Dec 2024 15:54:18 -0800 From: Wesley Cheng To: , , , , , , , , , , , , , CC: , , , , , , , Wesley Cheng , Pierre-Louis Bossart Subject: [PATCH v31 17/32] ASoC: usb: Create SOC USB SND jack kcontrol Date: Fri, 13 Dec 2024 15:53:48 -0800 Message-ID: <20241213235403.4109199-18-quic_wcheng@quicinc.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20241213235403.4109199-1-quic_wcheng@quicinc.com> References: <20241213235403.4109199-1-quic_wcheng@quicinc.com> Precedence: bulk X-Mailing-List: linux-usb@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ClientProxiedBy: nalasex01a.na.qualcomm.com (10.47.209.196) To nalasex01b.na.qualcomm.com (10.47.209.197) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-ORIG-GUID: X2vSR_pMEZtqqgk8-AlB5Q4xbHXHQwpD X-Proofpoint-GUID: X2vSR_pMEZtqqgk8-AlB5Q4xbHXHQwpD X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1039,Hydra:6.0.680,FMLib:17.12.60.29 definitions=2024-09-06_09,2024-09-06_01,2024-09-02_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 lowpriorityscore=0 bulkscore=0 clxscore=1015 phishscore=0 priorityscore=1501 impostorscore=0 adultscore=0 malwarescore=0 mlxscore=0 suspectscore=0 mlxlogscore=878 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2411120000 definitions=main-2412130170 Expose API for creation of a jack control for notifying of available devices that are plugged in/discovered, and that support offloading. This allows for control names to be standardized across implementations of USB audio offloading. Reviewed-by: Pierre-Louis Bossart Signed-off-by: Wesley Cheng --- include/sound/soc-usb.h | 9 +++++++++ sound/soc/soc-usb.c | 38 ++++++++++++++++++++++++++++++++++++++ 2 files changed, 47 insertions(+) diff --git a/include/sound/soc-usb.h b/include/sound/soc-usb.h index db9ff0b4191d..5d3b7b56649e 100644 --- a/include/sound/soc-usb.h +++ b/include/sound/soc-usb.h @@ -56,6 +56,9 @@ int snd_soc_usb_connect(struct device *usbdev, struct snd_soc_usb_device *sdev); int snd_soc_usb_disconnect(struct device *usbdev, struct snd_soc_usb_device *sdev); void *snd_soc_usb_find_priv_data(struct device *usbdev); +int snd_soc_usb_setup_offload_jack(struct snd_soc_component *component, + struct snd_soc_jack *jack); + struct snd_soc_usb *snd_soc_usb_allocate_port(struct snd_soc_component *component, void *data); void snd_soc_usb_free_port(struct snd_soc_usb *usb); @@ -86,6 +89,12 @@ static inline void *snd_soc_usb_find_priv_data(struct device *usbdev) return NULL; } +static inline int snd_soc_usb_setup_offload_jack(struct snd_soc_component *component, + struct snd_soc_jack *jack) +{ + return 0; +} + static inline struct snd_soc_usb * snd_soc_usb_allocate_port(struct snd_soc_component *component, void *data) { diff --git a/sound/soc/soc-usb.c b/sound/soc/soc-usb.c index 59e745b1402b..b7863b496982 100644 --- a/sound/soc/soc-usb.c +++ b/sound/soc/soc-usb.c @@ -4,7 +4,10 @@ */ #include #include + +#include #include + #include "../usb/card.h" static DEFINE_MUTEX(ctx_mutex); @@ -52,6 +55,41 @@ static struct snd_soc_usb *snd_soc_find_usb_ctx(struct device *dev) return ctx ? ctx : NULL; } +/* SOC USB sound kcontrols */ +/** + * snd_soc_usb_setup_offload_jack() - Create USB offloading jack + * @component: USB DPCM backend DAI component + * @jack: jack structure to create + * + * Creates a jack device for notifying userspace of the availability + * of an offload capable device. + * + * Returns 0 on success, negative on error. + * + */ +int snd_soc_usb_setup_offload_jack(struct snd_soc_component *component, + struct snd_soc_jack *jack) +{ + int ret; + + ret = snd_soc_card_jack_new(component->card, "USB Offload Jack", + SND_JACK_USB, jack); + if (ret < 0) { + dev_err(component->card->dev, "Unable to add USB offload jack: %d\n", + ret); + return ret; + } + + ret = snd_soc_component_set_jack(component, jack, NULL); + if (ret) { + dev_err(component->card->dev, "Failed to set jack: %d\n", ret); + return ret; + } + + return 0; +} +EXPORT_SYMBOL_GPL(snd_soc_usb_setup_offload_jack); + /** * snd_soc_usb_find_priv_data() - Retrieve private data stored * @usbdev: device reference