From patchwork Fri Dec 23 23:31:58 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wesley Cheng X-Patchwork-Id: 637243 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 98849C3DA79 for ; Fri, 23 Dec 2022 23:33:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231190AbiLWXdK (ORCPT ); Fri, 23 Dec 2022 18:33:10 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52186 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230157AbiLWXdJ (ORCPT ); Fri, 23 Dec 2022 18:33:09 -0500 Received: from mx0b-0031df01.pphosted.com (mx0b-0031df01.pphosted.com [205.220.180.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C0C7410FCF; Fri, 23 Dec 2022 15:33:08 -0800 (PST) Received: from pps.filterd (m0279872.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 2BNNU9uV003339; Fri, 23 Dec 2022 23:32:48 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=qUCscePKihIFBMdxnTm5jSbbeyncpZ92egDlWPvRgW0=; b=ZkKhDvgWop6EVeKG3r16AkQu2rq/G3xyNaFMzP4+MohhsFJeKuhv48x6llbNz6sxCEmW AKWnvz2InpniLZqGYWEkOiU8LdzV5/g3eVCSjZzu7hSExP7PHQJfrYN2Ns6EaK30YPz3 nX7HKBCoSlfSXtgkntRcw2RVXzQLZu/pi9RCzn3UEhamlKsrkOBnof9xe/vAJx/sSNGb 7YLQIF3elihvpGRHSz304u91MdWtYVb2kRLeqD6NJYWD6smVHzlcV59EN7894B4t39m/ 2q9pKDJ2BzfdMatq42UT2fS3oZPSxfT8Yao2AzIgdzuwaAtYOvkhEjWaYjSA1LUnV6N6 3Q== Received: from nalasppmta02.qualcomm.com (Global_NAT1.qualcomm.com [129.46.96.20]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3mm3cjx2m5-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 23 Dec 2022 23:32:48 +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 2BNNWl84001241 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 23 Dec 2022 23:32:47 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 15.2.986.36; Fri, 23 Dec 2022 15:32:46 -0800 From: Wesley Cheng To: , , , , , , , , , , , , CC: , , , , , , , Wesley Cheng Subject: [RFC PATCH 12/14] sound: soc: qcom: qusb6: Ensure PCM format is supported by USB audio device Date: Fri, 23 Dec 2022 15:31:58 -0800 Message-ID: <20221223233200.26089-13-quic_wcheng@quicinc.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20221223233200.26089-1-quic_wcheng@quicinc.com> References: <20221223233200.26089-1-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: NpacJDGBM8v1OaWa7CaWQa7WYsAkJ64T X-Proofpoint-ORIG-GUID: NpacJDGBM8v1OaWa7CaWQa7WYsAkJ64T X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.923,Hydra:6.0.545,FMLib:17.11.122.1 definitions=2022-12-23_08,2022-12-23_01,2022-06-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxscore=0 mlxlogscore=970 impostorscore=0 spamscore=0 phishscore=0 clxscore=1015 priorityscore=1501 suspectscore=0 malwarescore=0 lowpriorityscore=0 adultscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2212070000 definitions=main-2212230197 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 | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/sound/soc/qcom/qdsp6/q6usb.c b/sound/soc/qcom/qdsp6/q6usb.c index a9da6dec6c6f..128e0974db4e 100644 --- a/sound/soc/qcom/qdsp6/q6usb.c +++ b/sound/soc/qcom/qdsp6/q6usb.c @@ -42,7 +42,14 @@ 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; + int ret; + + ret = snd_soc_usb_find_format(data->active_idx, params, direction); + + return ret; + } static const struct snd_soc_dai_ops q6usb_ops = { .hw_params = q6usb_hw_params,