From patchwork Wed Mar 8 23:57:41 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wesley Cheng X-Patchwork-Id: 13166662 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 1BD63C64EC4 for ; Thu, 9 Mar 2023 00:01:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230406AbjCIABl (ORCPT ); Wed, 8 Mar 2023 19:01:41 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41406 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230412AbjCIABM (ORCPT ); Wed, 8 Mar 2023 19:01:12 -0500 Received: from mx0a-0031df01.pphosted.com (mx0a-0031df01.pphosted.com [205.220.168.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 322C0D49FF; Wed, 8 Mar 2023 15:59:18 -0800 (PST) Received: from pps.filterd (m0279865.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 328EMfJM024719; Wed, 8 Mar 2023 23:58:11 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=u1bskS+coAPgxmcQJWRc4goiRC86w0IEWDQbyUbTVmI=; b=B+NzATosdTNocRSaS3X2V0JCR64eaJcgXXKZDbTMnS7Tm2ZsW3P4GDj4ylvwYAT0YtZ1 dbQqs0wdxAhzwnfe8gnyFuhMBJM9H+0gLYTsb4blQh2TIM8toTEIOZYbrvJAc+fIKpuK cftOwhh/ErLOTbOwEkKHkTztzJt3MYAvWv9zrSB4/FQ8fZ2JJsyhzyZoIwwdfYfu7XLa UmwvS6PtJ1iDh+/XcBVpio6W94s7oHLgdJjTnYKNOjqevdU0FTKv2lZPHYFajKb4qW5a AN4aSAKiV/coUjDTxRrfEtM2oueLwfHzVMNET5K4rRjFVQhP1+QzW3tZnGZhSf+kSvT/ fQ== Received: from nalasppmta02.qualcomm.com (Global_NAT1.qualcomm.com [129.46.96.20]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3p6v2dsav1-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 08 Mar 2023 23:58:11 +0000 Received: from nalasex01b.na.qualcomm.com (nalasex01b.na.qualcomm.com [10.47.209.197]) by NALASPPMTA02.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 328NwAop016729 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 8 Mar 2023 23:58:10 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 15.2.986.41; Wed, 8 Mar 2023 15:58:10 -0800 From: Wesley Cheng To: , , , , , , , , , , , , CC: , , , , , , , Wesley Cheng Subject: [PATCH v3 18/28] sound: soc: qcom: qusb6: Ensure PCM format is supported by USB audio device Date: Wed, 8 Mar 2023 15:57:41 -0800 Message-ID: <20230308235751.495-19-quic_wcheng@quicinc.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20230308235751.495-1-quic_wcheng@quicinc.com> References: <20230308235751.495-1-quic_wcheng@quicinc.com> MIME-Version: 1.0 X-Originating-IP: [10.49.16.6] 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-GUID: T3tHoescRBV0_QkGssLA7xuCv7FWoiHS X-Proofpoint-ORIG-GUID: T3tHoescRBV0_QkGssLA7xuCv7FWoiHS X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.254,Aquarius:18.0.942,Hydra:6.0.573,FMLib:17.11.170.22 definitions=2023-03-08_15,2023-03-08_03,2023-02-09_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 malwarescore=0 phishscore=0 priorityscore=1501 impostorscore=0 adultscore=0 spamscore=0 mlxscore=0 suspectscore=0 bulkscore=0 clxscore=1015 mlxlogscore=999 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2212070000 definitions=main-2303080200 Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org Check for if the PCM format is supported during the hw_params callback. If the profile is not supported then the userspace ALSA entity will receive an error, and can take further action. Signed-off-by: Wesley Cheng --- sound/soc/qcom/qdsp6/q6usb.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/sound/soc/qcom/qdsp6/q6usb.c b/sound/soc/qcom/qdsp6/q6usb.c index 3d480550b3f3..c9d5c9eecf89 100644 --- a/sound/soc/qcom/qdsp6/q6usb.c +++ b/sound/soc/qcom/qdsp6/q6usb.c @@ -44,7 +44,10 @@ static int q6usb_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params, struct snd_soc_dai *dai) { - return 0; + struct q6usb_port_data *data = dev_get_drvdata(dai->dev); + int direction = substream->stream; + + return snd_soc_usb_find_format(data->active_idx, params, direction); } static const struct snd_soc_dai_ops q6usb_ops = { .hw_params = q6usb_hw_params,