From nobody Fri Jan 2 16:02:42 2026 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5E5D9CD98E0 for ; Wed, 11 Oct 2023 00:23:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1344485AbjJKAXa (ORCPT ); Tue, 10 Oct 2023 20:23:30 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36482 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1344365AbjJKAXP (ORCPT ); Tue, 10 Oct 2023 20:23:15 -0400 Received: from mx0a-0031df01.pphosted.com (mx0a-0031df01.pphosted.com [205.220.168.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B3E71A7; Tue, 10 Oct 2023 17:23:10 -0700 (PDT) Received: from pps.filterd (m0279866.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 39B07DPd015540; Wed, 11 Oct 2023 00:22:39 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=Kd7JVRVp+I+Xk7DXDTAeHHZpvD4f/oHbrP3CUMWtwu0=; b=ERFtQT+0LF5IwCzJrXmDXQnr8PGlgusd4hEfjkR7SXgmVA3I7Q6G0Eh53RzY7LUwyaGV BOEAJ4M1kvcft5sZX25tlTtCuvP+4eWFukoaiqkcSrC6qc9CkHfiGfwToyeR18/PsB5B PHQTOaTKakkj2f62v30MQNxeWCLbUZpLPz1op9LDrsOvAUISxh+6l+2mraRxmffbdG1M cfjgfADc+dS6/Ev9M65SGucsiPUZNED8DJX+QZPCUY6Pm/Tl5VkW2jKCDMyNDoDRnQ0B TRNoeB8zom9RSwKHcEpXQXOJnrAONUNKdrx4/2JBCu2EmH8lUA6Q7/WJVDf5TyaXR8CG FQ== Received: from nalasppmta05.qualcomm.com (Global_NAT1.qualcomm.com [129.46.96.20]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3tngtp80th-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 11 Oct 2023 00:22:38 +0000 Received: from nalasex01b.na.qualcomm.com (nalasex01b.na.qualcomm.com [10.47.209.197]) by NALASPPMTA05.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 39B0McbG027119 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 11 Oct 2023 00:22:38 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 15.2.1118.36; Tue, 10 Oct 2023 17:22:37 -0700 From: Wesley Cheng To: , , , , , , , , , , , , , , CC: , , , , , Wesley Cheng Subject: [PATCH v8 28/34] ASoC: qcom: qdsp6: Add support to track available USB PCM devices Date: Tue, 10 Oct 2023 17:21:40 -0700 Message-ID: <20231011002146.1821-29-quic_wcheng@quicinc.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20231011002146.1821-1-quic_wcheng@quicinc.com> References: <20231011002146.1821-1-quic_wcheng@quicinc.com> MIME-Version: 1.0 X-Originating-IP: [10.49.16.6] X-ClientProxiedBy: nalasex01b.na.qualcomm.com (10.47.209.197) 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: IMgp9ClWIU2C5ToHwLQPnf6iHUqLTXvy X-Proofpoint-GUID: IMgp9ClWIU2C5ToHwLQPnf6iHUqLTXvy X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.267,Aquarius:18.0.980,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2023-10-10_19,2023-10-10_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 adultscore=0 lowpriorityscore=0 clxscore=1015 phishscore=0 mlxlogscore=900 priorityscore=1501 bulkscore=0 impostorscore=0 mlxscore=0 malwarescore=0 spamscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2309180000 definitions=main-2310110001 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" The USB backend should know about which sound resources are being shared between the ASoC and USB SND paths. This can be utilized to properly select and maintain the offloading devices. Signed-off-by: Wesley Cheng --- sound/soc/qcom/qdsp6/q6usb.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/sound/soc/qcom/qdsp6/q6usb.c b/sound/soc/qcom/qdsp6/q6usb.c index 329a7d4a3c01..d697cbe7f184 100644 --- a/sound/soc/qcom/qdsp6/q6usb.c +++ b/sound/soc/qcom/qdsp6/q6usb.c @@ -25,10 +25,18 @@ =20 #define SID_MASK 0xF =20 +struct q6usb_status { + unsigned int num_pcm; + unsigned int chip_index; + unsigned int pcm_index; +}; + struct q6usb_port_data { struct q6afe_usb_cfg usb_cfg; struct snd_soc_usb *usb; struct q6usb_offload priv; + unsigned long available_card_slot; + struct q6usb_status status[SNDRV_CARDS]; int active_idx; }; =20 @@ -110,6 +118,14 @@ static int q6usb_alsa_connection_cb(struct snd_soc_usb= *usb, if (connected) { /* We only track the latest USB headset plugged in */ data->active_idx =3D sdev->card_idx; + + set_bit(sdev->card_idx, &data->available_card_slot); + data->status[sdev->card_idx].num_pcm =3D sdev->num_playback; + data->status[sdev->card_idx].chip_index =3D sdev->chip_idx; + } else { + clear_bit(sdev->card_idx, &data->available_card_slot); + data->status[sdev->card_idx].num_pcm =3D 0; + data->status[sdev->card_idx].chip_index =3D 0; } =20 return 0;