From patchwork Mon Jun 10 23:57:56 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wesley Cheng X-Patchwork-Id: 803203 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 64C651553BF; Mon, 10 Jun 2024 23:58:45 +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=1718063927; cv=none; b=Nc5fCrC7G8N/XL0Ax+slRrMqUEmPQ8en+Goo4Ck1EoA997vXV0CuLsSJhs1hcv6Kh4sgoqNmdNYbTmYt9LDb92Rtgq/RQ87vRH9IWUxlDDYt6GWon2oL+tKidvnKr5Gru2b5tlvC4YHlidja/PseIexu/9jQJSHOrHHSIcr6lyM= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718063927; c=relaxed/simple; bh=dhgaAyj2M7PWqT38avqWMzsgh9ICML3oN+s2JAlThx8=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=CLD0U3VZJq9kNimeuZsi3rpnJzsq5ZEd4/brI3MKSDjSvj94Brw4tLzvZDqhhEOb6K+0KnmpC0FWWjG/8NsWhvPqeodtkKeQ+HuyN6GyD3PJVySvpWjWKYDOh/37czFkXhfvjLsTkdWnJv9nRqzSX7Fs0yP8UpyjbUnZFrmc/gU= 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=TAn0Hkom; 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="TAn0Hkom" Received: from pps.filterd (m0279862.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.18.1.2/8.18.1.2) with ESMTP id 45AG0YS3001495; Mon, 10 Jun 2024 23:58:25 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; h= cc:content-type:date:from:in-reply-to:message-id:mime-version :references:subject:to; s=qcppdkim1; bh=eVheKrHsakatYiy/dK9/g1dD M8tWRWHxo+MKvmbZqJk=; b=TAn0HkomJv85DgVCOD7rHVg91//kav6RFYGx1Qha LeYxe4QKZFJvk+T9IhKDjHEXR8VOMMTUuyD7MUN9Cdf4q7Sse2pM9bk8lDLhY3z9 MWmOx3nbM5FYRuU+peQVdxGAyHC8aAUPszPTR/7Bj6kgQvy3O9jI2aG48NJ1HYgx QEtLIG3fe1aAi2/blqbQuLcqjG4ChvIOfXkG4AyX17/GBV6gZ4cSd1kWurufMcQB PSUX7MVLuy7qKH69n5ocF3+pQgo2o0ycNtrP4kQuFdQlKGcWpbVkR0Lc2TwpDOcu aaU3fBOoiq8qgOJbMG0yLmFEBAplP+HvSr1un/pkZXfhXQ== Received: from nalasppmta05.qualcomm.com (Global_NAT1.qualcomm.com [129.46.96.20]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3ymg2emyf5-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 10 Jun 2024 23:58:25 +0000 (GMT) Received: from nalasex01b.na.qualcomm.com (nalasex01b.na.qualcomm.com [10.47.209.197]) by NALASPPMTA05.qualcomm.com (8.17.1.19/8.17.1.19) with ESMTPS id 45ANwOHJ001519 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 10 Jun 2024 23:58:25 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 15.2.1544.9; Mon, 10 Jun 2024 16:58:24 -0700 From: Wesley Cheng To: , , , , , , , , , , , , CC: , , , , , , , Wesley Cheng Subject: [PATCH v23 20/32] ASoC: qcom: qdsp6: Add support to track available USB PCM devices Date: Mon, 10 Jun 2024 16:57:56 -0700 Message-ID: <20240610235808.22173-21-quic_wcheng@quicinc.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20240610235808.22173-1-quic_wcheng@quicinc.com> References: <20240610235808.22173-1-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: 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-ORIG-GUID: rKomUvFHNUOItsCK0AmNYfYECina64d8 X-Proofpoint-GUID: rKomUvFHNUOItsCK0AmNYfYECina64d8 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1039,Hydra:6.0.680,FMLib:17.12.28.16 definitions=2024-06-10_07,2024-06-10_01,2024-05-17_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxscore=0 mlxlogscore=999 phishscore=0 bulkscore=0 spamscore=0 malwarescore=0 priorityscore=1501 clxscore=1015 adultscore=0 lowpriorityscore=0 impostorscore=0 suspectscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2405170001 definitions=main-2406100177 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 | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/sound/soc/qcom/qdsp6/q6usb.c b/sound/soc/qcom/qdsp6/q6usb.c index ab79a293083e..f1fa75c0ba5b 100644 --- a/sound/soc/qcom/qdsp6/q6usb.c +++ b/sound/soc/qcom/qdsp6/q6usb.c @@ -27,11 +27,18 @@ #define Q6_USB_SID_MASK 0xF +struct q6usb_status { + struct snd_soc_usb_device *sdev; + unsigned int pcm_index; +}; + struct q6usb_port_data { struct q6afe_usb_cfg usb_cfg; struct snd_soc_usb *usb; struct q6usb_offload priv; int active_usb_chip_idx; + unsigned long available_card_slot; + struct q6usb_status status[SNDRV_CARDS]; }; static const struct snd_soc_dapm_widget q6usb_dai_widgets[] = { @@ -113,6 +120,12 @@ static int q6usb_alsa_connection_cb(struct snd_soc_usb *usb, if (connected) { /* Selects the latest USB headset plugged in for offloading */ data->active_usb_chip_idx = sdev->card_idx; + + set_bit(sdev->card_idx, &data->available_card_slot); + data->status[sdev->card_idx].sdev = sdev; + } else { + clear_bit(sdev->card_idx, &data->available_card_slot); + data->status[sdev->card_idx].sdev = NULL; } return 0;