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[90.90.130.133]) by smtp.gmail.com with ESMTPSA id k6sm7410694wma.19.2020.04.25.05.04.04 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 25 Apr 2020 05:04:05 -0700 (PDT) Message-ID: Subject: 0b05:1825 - HSP/HFP - command to route SCO to HCI From: Nicolas Fabbro To: linux-bluetooth@vger.kernel.org Date: Sat, 25 Apr 2020 14:03:40 +0200 Content-Type: text/plain; charset="UTF-8" User-Agent: Evolution 3.36.2 MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Sender: linux-bluetooth-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-bluetooth@vger.kernel.org Hello, I'm trying to get my bluetooth headset working under HSP/HFP. Currently, I can connect my headset to the bluetooth adapter, listen to audio without issues using A2DP profile. However, when switching to HSP/HFP, audio and mic do not work. For instance, when trying to troubleshoot using the parecord command, the stream seems to get stuck at a very early stage (after 0.028 sec). When opening the resulting test file, it's empty. After investigating, my current conclusion is that I need to use a hardware specific hcitool command in order to route SCO traffic to the HCI interface. Nevertheless, I could not find the command to use for my bluetooth chipset. I am therefore contacting the mailing list to find out if anyone would know it by any chance. Hardware information: - Motherboard : Asus Strix Z270E Gaming - Bluetooth chipset : ID 0b05:1825 ASUSTek Computer, Inc. Qualcomm Bluetooth 4.1 Software information : - Void Linux - BlueZ v5.54 - Pulseaudio v13.0 Thank you very much in advance for your help, I'll happily provide additional information if needed. Best Regards, Nicolas