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Tue, 10 Nov 2026 10:58:09 -0800 (PST) Received: from LRMS.tailf8556c.ts.net ([2600:4041:5024:4b00:940a:c6ea:f292:3644]) by smtp.gmail.com with ESMTPSA id af79cd13be357-9479e619affsm290954085a.4.2026.11.10.10.58.08 (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Tue, 10 Nov 2026 10:58:08 -0800 (PST) From: Jesse Casco To: Loic Poulain , Manivannan Sadhasivam , Bartosz Golaszewski , Marcel Holtmann , Luiz Augusto von Dentz , Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: linux-pci@vger.kernel.org, linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-bluetooth@vger.kernel.org, devicetree@vger.kernel.org, Manivannan Sadhasivam , Bartosz Golaszewski , Dmitry Baryshkov , Wei Deng Subject: Re: [PATCH v7 1/8] Bluetooth: hci_qca: Add M.2 Bluetooth device support using pwrseq Date: Tue, 10 Nov 2026 13:58:04 -0500 Message-ID: <20261110185804.56861-1-jesse.casco@gmail.com> X-Mailer: git-send-email 2.56.0 In-Reply-To: <20261005-monza-wireless-v7-1-5a6de7662dcb@oss.qualcomm.com> References: <20261005-monza-wireless-v7-1-5a6de7662dcb@oss.qualcomm.com> X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Tested on an ASUS Zenbook A16 (UX3607OA, X2 Elite), whose mainline DT connects Bluetooth through the M.2 E connector (W_DISABLE2# on GPIO 116), with the QCC2072 support from [1] on top. Without this patch hci_qca asks for a "bluetooth" pwrseq target the connector doesn't provide, W_DISABLE2# stays asserted and reading the version times out (-110). With it, W_DISABLE2# is released, setup completes and a phone connects. [1] https://lore.kernel.org/r/20260727-rb3-industrial-bt-uart-v2-0-2d100f30e202@oss.qualcomm.com Tested-by: Jesse Casco # ASUS Zenbook A16 (UX3607OA)