From patchwork Sat Sep 16 00:10:20 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wesley Cheng X-Patchwork-Id: 723898 Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net [23.128.96.19]) (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 02FA2291C; Sat, 16 Sep 2023 00:11:20 +0000 (UTC) Received: from mx0b-0031df01.pphosted.com (mx0b-0031df01.pphosted.com [205.220.180.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2C818270E; Fri, 15 Sep 2023 17:11:01 -0700 (PDT) Received: from pps.filterd (m0279870.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 38FNYUZi014265; Sat, 16 Sep 2023 00:10:46 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=qJXKjjLhMMPrOaanXxaV8UkfBmUx+QoL5jND24eyzIM=; b=XNntFfFf+F1Xha2npAV9fiD9pDHk9vJmwtQSxW84vuhZZ45gjSttKqKPlY/5SvjR7fzl YIkpf8pm8MFGpK+NWb/sw4bshvs58x8pw19is3jKyI4idYDlQZP6+E6Es8z+x07q4aQj pI75LI3ynybMuzE8a1taYfEBeqiXnosuk8U+ytw8ahvT4TQiTq7lWCtBalnJIeab7Isv PT0RCHsbeO5/EegHoUFy7bCDtipL9uWar+9MKKX87amSbKKKYVIWbzD7L1XeqkapncNS 8j8YbLO+9UbkaY/3UYZl3ijy+EDyLjM1tqeOKniKTZ1ef3wL7hBJn4EqQRsVEEh8f7IG Vg== Received: from nalasppmta04.qualcomm.com (Global_NAT1.qualcomm.com [129.46.96.20]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3t4g86tdey-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Sat, 16 Sep 2023 00:10:46 +0000 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 38G0AjWT018265 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Sat, 16 Sep 2023 00:10:45 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 15.2.1118.36; Fri, 15 Sep 2023 17:10:44 -0700 From: Wesley Cheng To: , , , , , , , , , , , , , , CC: , , , , , Wesley Cheng Subject: [PATCH v6 27/33] ASoC: qcom: qdsp6: Add support to track available USB PCM devices Date: Fri, 15 Sep 2023 17:10:20 -0700 Message-ID: <20230916001026.315-28-quic_wcheng@quicinc.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20230916001026.315-1-quic_wcheng@quicinc.com> References: <20230916001026.315-1-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-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: yq_lvku4MEJl6Sxdh2K8bHUtKi0_Qe0t X-Proofpoint-ORIG-GUID: yq_lvku4MEJl6Sxdh2K8bHUtKi0_Qe0t X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.267,Aquarius:18.0.980,Hydra:6.0.601,FMLib:17.11.176.26 definitions=2023-09-15_20,2023-09-15_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 clxscore=1015 bulkscore=0 impostorscore=0 adultscore=0 suspectscore=0 malwarescore=0 spamscore=0 mlxscore=0 priorityscore=1501 mlxlogscore=931 lowpriorityscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2308100000 definitions=main-2309150216 X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_BLOCKED, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net 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 | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/sound/soc/qcom/qdsp6/q6usb.c b/sound/soc/qcom/qdsp6/q6usb.c index 0467d8a533fb..2c0d482de3ab 100644 --- a/sound/soc/qcom/qdsp6/q6usb.c +++ b/sound/soc/qcom/qdsp6/q6usb.c @@ -25,10 +25,18 @@ #define SID_MASK 0xF +struct q6usb_status { + unsigned int num_pcm; + unsigned int chip_index; + unsigned int pcm_index; +}; + struct q6usb_port_data { struct q6afe_usb_cfg usb_cfg; struct snd_soc_usb *usb; struct q6usb_offload priv; + unsigned long available_card_slot; + struct q6usb_status status[SNDRV_CARDS]; int active_idx; }; @@ -110,6 +118,14 @@ static int q6usb_alsa_connection_cb(struct snd_soc_usb *usb, if (connected) { /* We only track the latest USB headset plugged in */ data->active_idx = sdev->card_idx; + + set_bit(sdev->card_idx, &data->available_card_slot); + data->status[sdev->card_idx].num_pcm = sdev->num_playback; + data->status[sdev->card_idx].chip_index = sdev->chip_idx; + } else { + clear_bit(sdev->card_idx, &data->available_card_slot); + data->status[sdev->card_idx].num_pcm = 0; + data->status[sdev->card_idx].chip_index = 0; } return 0;