From patchwork Tue Feb 13 00:54:09 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wesley Cheng X-Patchwork-Id: 772388 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 BC6455914A; Tue, 13 Feb 2024 00:55:07 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=205.220.168.131 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707785710; cv=none; b=dIbFcsr54D/DacyM734l32P5OsFehKBu+Z/hzm+yq3WFruHi/d72JQGb/RBzwfc5kDLxaRh00H7hTCKv4nAN98Eo8KjYj8hYtYl0fTbKCM7yav46YaO182eFLJ9v5dYXkvYdw6/pkqPO9W8qc3TXHiG9GP0vLK8lLhEq54/a7xI= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707785710; c=relaxed/simple; bh=3t+oyyObCLNtDcTqp0pGT8TPY42C27S0xw+SlfeDuZ0=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=AOD+EMmd/nKflQ8MmfA/874RogceWcQlPSE7DF7eRXDgr6fZd5C0OUvUu310ROJAmOnPpE0XCAUnmXxOQ9VkH0faa4J6eKqBBCri9zOH/uAHyExg4pWu/eM6dfBRmvz08/TpJGliCXgvqtzWpSE6a4xrU0TBi40Z0wcrg1HUSvs= 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=ghJ+1ivm; arc=none smtp.client-ip=205.220.168.131 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="ghJ+1ivm" Received: from pps.filterd (m0279866.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.24/8.17.1.24) with ESMTP id 41D0GkKG012215; Tue, 13 Feb 2024 00:54:44 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=DYlDaoMzMP8hhWYbnbuV llKnwKPUMw5nutuR92LPe2U=; b=ghJ+1ivmyKilxYdOrWhdXlgFU7cV0lOqVxJb nEexJ/xK1jDCZH7/hqG7Sr1OE5WWI3U4QkJwi9iaWKgZkPZNP0R1LS94MGA9n1yr iWhAjonJZtH4U15XaEL9lv9DcP+I0QgK9nISbUYd9PzHmHKIm18nqM7MFQUpW2dh tH5NEB5dgywHezGymGEGmYSYQjed2riOgXo6u4UOpf6YYTzk4N+JmnsfKLuIrlRn 4EpvKexovlL1uZxzI0SdqY03X8P6mjakGJrfwjTN8+JFXZ4ybPyhrZKJ3YzZLiQp ZBANDOy+Tyv51qZjhzFGACzKAqHzSPdij052ORAfMJ20Bw67jw== Received: from nalasppmta04.qualcomm.com (Global_NAT1.qualcomm.com [129.46.96.20]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3w7q2y0vvw-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 13 Feb 2024 00:54:44 +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 41D0sh5t031143 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 13 Feb 2024 00:54:43 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; Mon, 12 Feb 2024 16:54:42 -0800 From: Wesley Cheng To: , , , , , , , , , , , , , , CC: , , , , , , , Wesley Cheng Subject: [PATCH v15 37/50] ALSA: usb-audio: qcom: Populate PCM and USB chip information Date: Mon, 12 Feb 2024 16:54:09 -0800 Message-ID: <20240213005422.3121-38-quic_wcheng@quicinc.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20240213005422.3121-1-quic_wcheng@quicinc.com> References: <20240213005422.3121-1-quic_wcheng@quicinc.com> Precedence: bulk X-Mailing-List: linux-arm-msm@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-GUID: bRV22WulYu8SOK51ErEE8ljXwscoxNiH X-Proofpoint-ORIG-GUID: bRV22WulYu8SOK51ErEE8ljXwscoxNiH 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=2024-02-12_20,2024-02-12_03,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 bulkscore=0 malwarescore=0 suspectscore=0 priorityscore=1501 clxscore=1015 adultscore=0 mlxscore=0 impostorscore=0 mlxlogscore=678 spamscore=0 phishscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2401310000 definitions=main-2402130005 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 31c0cf5916a0..17cee0cf2ff5 100644 --- a/sound/usb/qcom/qc_audio_offload.c +++ b/sound/usb/qcom/qc_audio_offload.c @@ -172,6 +172,21 @@ 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) { @@ -1626,6 +1641,8 @@ 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;