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Thu, 21 Sep 2023 21:49:18 +0000 Received: from nalasex01b.na.qualcomm.com (nalasex01b.na.qualcomm.com [10.47.209.197]) by NALASPPMTA05.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 38LLn1x4009041 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 21 Sep 2023 21:49:01 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; Thu, 21 Sep 2023 14:49:00 -0700 From: Wesley Cheng To: , , , , , , , , , , , , , , CC: , , , , , Wesley Cheng Subject: [PATCH v7 27/33] ASoC: qcom: qdsp6: Add support to track available USB PCM devices Date: Thu, 21 Sep 2023 14:48:37 -0700 Message-ID: <20230921214843.18450-28-quic_wcheng@quicinc.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20230921214843.18450-1-quic_wcheng@quicinc.com> References: <20230921214843.18450-1-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-ORIG-GUID: 75RndmVpVo5bpEZIQfmVlQOetp4V0_oU X-Proofpoint-GUID: 75RndmVpVo5bpEZIQfmVlQOetp4V0_oU X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.267,Aquarius:18.0.980,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2023-09-21_19,2023-09-21_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxlogscore=913 priorityscore=1501 malwarescore=0 spamscore=0 bulkscore=0 impostorscore=0 lowpriorityscore=0 mlxscore=0 clxscore=1015 adultscore=0 phishscore=0 suspectscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2309180000 definitions=main-2309210189 X-Spam-Status: No, score=-0.8 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lipwig.vger.email Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (lipwig.vger.email [0.0.0.0]); Thu, 21 Sep 2023 14:54:07 -0700 (PDT) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1777712364661885173 X-GMAIL-MSGID: 1777712364661885173 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 329a7d4a3c01..d697cbe7f184 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;