From patchwork Fri Dec 15 21:49:47 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wesley Cheng X-Patchwork-Id: 13494960 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 CA98266ABE; Fri, 15 Dec 2023 21:50:29 +0000 (UTC) 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="KCHFz1nS" Received: from pps.filterd (m0279864.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.24/8.17.1.24) with ESMTP id 3BFJixje016633; Fri, 15 Dec 2023 21:50:16 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; h= from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-type; s=qcppdkim1; bh=eUt//nWbm09sEQ6QXS2Y 8csJazCMoz2j6WQ8KxnNB4w=; b=KCHFz1nSnsL3paDjzTrtvX7ywKxo7aBR2n+F taAKjiNOf9owMo9CzqWWpIxpyBII3sg8BbIIRdlfAmk3ZSSBr51BdIjLGLGMzOIR s+XYzv1aVVqmFV3fr2y4xuisfo+u0gQ/U5UBgj810KHn1ndd8eIsT+Reb+vNHJqr Txac4B3CL0dKHTMvlXtSh2gmS0fXeVfY5gq0o6doy/B6I+NrtLFQ1vE3sOvoJXtI +G8d/Z8yTSoq08VbUVwj7VM0eh2zeau04JtKdq0ccOk180hJ0wbVnDwzwpBUwR49 hgVCT4OYTaX9TbVtZ4eHX0dvXVs/CIOOxw8BeU56tu8YndbZwA== Received: from nalasppmta01.qualcomm.com (Global_NAT1.qualcomm.com [129.46.96.20]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3v0hqcj7bf-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 15 Dec 2023 21:50:16 +0000 (GMT) Received: from nalasex01b.na.qualcomm.com (nalasex01b.na.qualcomm.com [10.47.209.197]) by NALASPPMTA01.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 3BFLoGL8018030 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 15 Dec 2023 21:50:16 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 15.2.1118.40; Fri, 15 Dec 2023 13:50:15 -0800 From: Wesley Cheng To: , , , , , , , , , , , , , , , CC: , , , , , , , Wesley Cheng Subject: [PATCH v10 33/41] ASoC: usb: Create SOC USB SND jack kcontrol Date: Fri, 15 Dec 2023 13:49:47 -0800 Message-ID: <20231215214955.12110-34-quic_wcheng@quicinc.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20231215214955.12110-1-quic_wcheng@quicinc.com> References: <20231215214955.12110-1-quic_wcheng@quicinc.com> Precedence: bulk X-Mailing-List: linux-sound@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ClientProxiedBy: nalasex01c.na.qualcomm.com (10.47.97.35) 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: AAX9QMQhCHl8orT50qz5EGcDd9ohDJmv X-Proofpoint-GUID: AAX9QMQhCHl8orT50qz5EGcDd9ohDJmv X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.997,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2023-12-09_01,2023-12-07_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 mlxscore=0 phishscore=0 adultscore=0 priorityscore=1501 impostorscore=0 lowpriorityscore=0 mlxlogscore=692 clxscore=1015 suspectscore=0 spamscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2311290000 definitions=main-2312150152 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. Signed-off-by: Wesley Cheng --- include/sound/soc-usb.h | 4 ++++ sound/soc/soc-usb.c | 37 +++++++++++++++++++++++++++++++++++++ 2 files changed, 41 insertions(+) diff --git a/include/sound/soc-usb.h b/include/sound/soc-usb.h index b0dbb89316fe..6bbd4339e8c5 100644 --- a/include/sound/soc-usb.h +++ b/include/sound/soc-usb.h @@ -6,6 +6,8 @@ #ifndef __LINUX_SND_SOC_USB_H #define __LINUX_SND_SOC_USB_H +#include + enum snd_soc_usb_dai_state { SND_SOC_USB_IDLE, SND_SOC_USB_PREPARED, @@ -76,6 +78,8 @@ int snd_soc_usb_prepare_session(struct snd_soc_usb *usb, int card_idx, int pcm_i int snd_soc_usb_shutdown_session(struct snd_soc_usb *usb, int session_id); int snd_soc_usb_set_session_state(struct snd_soc_usb *usb, int session_id, enum snd_soc_usb_dai_state state); +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, int num_supported_streams, void *data); diff --git a/sound/soc/soc-usb.c b/sound/soc/soc-usb.c index 50cd53db365f..7d202b0a2680 100644 --- a/sound/soc/soc-usb.c +++ b/sound/soc/soc-usb.c @@ -4,8 +4,11 @@ */ #include #include + +#include #include #include + #include "../usb/card.h" static DEFINE_MUTEX(ctx_mutex); @@ -42,6 +45,40 @@ static struct snd_soc_usb *snd_soc_find_usb_ctx(struct device_node *node) } /* 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, "SNDUSB OFFLD Jack", + SND_JACK_HEADPHONE, jack); + if (ret < 0) { + dev_err(component->card->dev, "Unable to add USB offload jack\n"); + return ret; + } + + ret = snd_soc_component_set_jack(component, jack, NULL); + if (ret) { + dev_warn(component->card->dev, "Failed to set jack: %d\n", ret); + return ret; + } + + return 0; +} +EXPORT_SYMBOL_GPL(snd_soc_usb_setup_offload_jack); + static int snd_soc_usb_get_offload_status(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) {