From patchwork Wed Feb 28 01:36:05 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wesley Cheng X-Patchwork-Id: 13574742 Received: from mx0b-0031df01.pphosted.com (mx0b-0031df01.pphosted.com [205.220.180.131]) (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 439F4610C; Wed, 28 Feb 2024 01:36:53 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=205.220.180.131 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1709084215; cv=none; b=tXw/6wVE/ZvFYn48nxXcKGyrAXaJivu4MOZPUN2Xf1UUXLjV12Q0JUOnRTFI8CJGm3VBOVNd+GvnxI6ml9rJziyM3eWAYxJmzFip42sq1K1ufDTMKrDR58Vom7hm3/FOU7EZoIeSYBl3QxFR+JWNLEtn/KXVhHgLLDeb38onYJ0= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1709084215; c=relaxed/simple; bh=SLayrMPrKCeX3mTJTZZw4ERHQvhGxVB9sd/XJS5bt1s=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=J4bsRiGq5pEW80Cl+OobZR37OobfVLQOZGZKHm1ub3VqpxPyniqgJbfwwxXoWP+sLtAgWxSBUHQQoQkUVi6M19GjTLCWlj6O1FdXuMzHHHvq+ww24rmzAHUhngukb9Cp7xvFyieHCGE5Kqwh+PuixonGIADEtbuhHo2ErrsobKQ= 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=BjMbWit9; arc=none smtp.client-ip=205.220.180.131 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="BjMbWit9" Received: from pps.filterd (m0279868.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.24/8.17.1.24) with ESMTP id 41S1725w005413; Wed, 28 Feb 2024 01:36:38 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=WE4eMHV9NquhxKSBZAOh +jR3lIlYYdfEvIV5PbHAVjw=; b=BjMbWit9vbmwKwriaiXg7Z+fDFzlbpdpUrTG V6ILjjpNu/OYZULHIDFNkgYLMYKqv8qv5WH85J0ZPc8y90xIa+u7Dd0rurtLY5ZK Cj8FmsxjxNyY6Tn6k6DSL9rpP2HuXqQ/FtohJ3X2VQa7+QlEzb/KTGA6pOrPyANn QllpMW79AsGGsyLcNzptvAs1HzKirP+yCXuPRo7TiI9UVaTjOrKr4wOarMlvVRCO aNW3MdpJhDFnfuLxxYVZlN9Q6SOkDtgkOTwlWWZ+/WE5H0fOQh+kvNAwFj2b3e1P Zr8wpkbmsHGuNjeshaavsnWKGTbq/clQm1VfbIk+Yh0ZJyl2nw== Received: from nalasppmta04.qualcomm.com (Global_NAT1.qualcomm.com [129.46.96.20]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3wh507b3eg-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 28 Feb 2024 01:36:37 +0000 (GMT) Received: from nalasex01b.na.qualcomm.com (nalasex01b.na.qualcomm.com [10.47.209.197]) by NALASPPMTA04.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 41S1aaiZ016744 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 28 Feb 2024 01:36:36 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; Tue, 27 Feb 2024 17:36:36 -0800 From: Wesley Cheng To: , , , , , , , , , , , , , , CC: , , , , , , , Wesley Cheng Subject: [PATCH v18 27/41] ALSA: usb-audio: qcom: Populate PCM and USB chip information Date: Tue, 27 Feb 2024 17:36:05 -0800 Message-ID: <20240228013619.29758-28-quic_wcheng@quicinc.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20240228013619.29758-1-quic_wcheng@quicinc.com> References: <20240228013619.29758-1-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: 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: Mi5SiabtE4oROrKI4baYyu5VCqxQni6L X-Proofpoint-GUID: Mi5SiabtE4oROrKI4baYyu5VCqxQni6L X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.1011,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2024-02-27_11,2024-02-27_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 suspectscore=0 clxscore=1015 mlxscore=0 malwarescore=0 impostorscore=0 phishscore=0 lowpriorityscore=0 mlxlogscore=797 priorityscore=1501 spamscore=0 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2402120000 definitions=main-2402280011 Currently, only the index to the USB SND card array is passed to the USB backend. Pass through more information, specifically the USB SND card number and the number of PCM devices available. This allows for the DPCM backend to determine what USB resources are available during situations, such as USB audio offloading. Signed-off-by: Wesley Cheng --- sound/usb/qcom/qc_audio_offload.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/sound/usb/qcom/qc_audio_offload.c b/sound/usb/qcom/qc_audio_offload.c index db68c6c605eb..4deec0b6fc08 100644 --- a/sound/usb/qcom/qc_audio_offload.c +++ b/sound/usb/qcom/qc_audio_offload.c @@ -170,6 +170,21 @@ enum usb_qmi_audio_format { USB_QMI_PCM_FORMAT_U32_BE, }; +static int usb_qmi_get_pcm_num(struct snd_usb_audio *chip, int direction) +{ + struct snd_usb_substream *subs = NULL; + struct snd_usb_stream *as; + int count = 0; + + list_for_each_entry(as, &chip->pcm_list, list) { + subs = &as->substream[direction]; + if (subs->ep_num) + count++; + } + + return count; +} + static enum usb_qmi_audio_device_speed_enum_v01 get_speed_info(enum usb_device_speed udev_speed) { @@ -1638,6 +1653,8 @@ static void qc_usb_audio_offload_probe(struct snd_usb_audio *chip) sdev->card_idx = chip->card->number; sdev->chip_idx = chip->index; + sdev->num_playback = usb_qmi_get_pcm_num(chip, 0); + sdev->num_capture = usb_qmi_get_pcm_num(chip, 1); uadev[chip->card->number].sdev = sdev; uaudio_qdev->last_card_num = chip->card->number;