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[78.88.45.245]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-b9b7ae7416dsm278302266b.28.2026.03.30.04.00.56 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 30 Mar 2026 04:00:58 -0700 (PDT) Message-ID: <78d7d85e-ecd8-42ca-b59e-b7fbcecf1502@oss.qualcomm.com> Date: Mon, 30 Mar 2026 13:00:55 +0200 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v4 3/6] arm64: dts: qcom: Add AYN QCS8550 Common To: Aaron Kling Cc: Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley , linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Teguh Sobirin References: <20260323-ayn-qcs8550-v4-0-33a8ac3d53fa@gmail.com> <20260323-ayn-qcs8550-v4-3-33a8ac3d53fa@gmail.com> <7d6c2c58-310b-4194-8159-8ea56ed9465b@oss.qualcomm.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Proofpoint-ORIG-GUID: 8R77R_ICwVF9v5kJnSPxK8RQg_bKHF5v X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMzMwMDA4NiBTYWx0ZWRfX8qN7Un0d9qEM 0VTEKbH1nfLDUSQnjwHQuxDLVaQ1IDTxUYMRMaqXgzbrW6z7CvXe7BPEbvyzo+om73qDNPdtVt7 2OM35dq1Ut/tgNjjSbY7QQglZ7DL85mvtvgaVyXXvN9ds6wE/S7HBY4wkz7FyxrjJVBDsqtXVZB FOSGLHi6KMcWbjyg8Hv5qmU+h90nJHzNUBlHtyt+Vni5Spog+5PzUtLxEZ0fUNGvzVa8l0W9AzC btBDPhGTnqwaWleCHZkBqTsg1mb2RCBgyFmMxfzH1d0l64zQRgwPlvyqKCX9/ErblH6hmy4yAKc fNTkO4z7dj43jEoSQOG6/R+4nhrx0LUAPrazyQLx0gacexvJCL5hvc2ZRTzUjy3zIO2UVsLMgYU vWqYyjHp8dY0nuAWTCEQQ5UE8y/b79QsQI0mdA/4XuGnxk433RFDMwUT/LKgVjhJGkaOudNpL4A gT5U6/DZnKwCbQq7zKg== X-Authority-Analysis: v=2.4 cv=KN9XzVFo c=1 sm=1 tr=0 ts=69ca57ec cx=c_pps a=UgVkIMxJMSkC9lv97toC5g==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=Yq5XynenixoA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=ZpdpYltYx_vBUK5n70dp:22 a=5tAmg9hwAAAA:20 a=NEAV23lmAAAA:8 a=EUspDBNiAAAA:8 a=pGLkceISAAAA:8 a=2ZCcOxo-1ny99ew3dTEA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=1HOtulTD9v-eNWfpl4qZ:22 a=bA3UWDv6hWIuX7UZL3qL:22 X-Proofpoint-GUID: 8R77R_ICwVF9v5kJnSPxK8RQg_bKHF5v X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-03-29_05,2026-03-28_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 priorityscore=1501 lowpriorityscore=0 phishscore=0 spamscore=0 adultscore=0 suspectscore=0 bulkscore=0 malwarescore=0 impostorscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2603050001 definitions=main-2603300086 On 3/27/26 10:26 PM, Aaron Kling wrote: > On Tue, Mar 24, 2026 at 7:36 AM Konrad Dybcio > wrote: >> >> On 3/23/26 5:27 PM, Aaron Kling via B4 Relay wrote: >>> From: Teguh Sobirin >>> >>> This contains everything common between the AYN QCS8550 devices. It will >>> be included by device specific dts'. >>> >>> Signed-off-by: Teguh Sobirin >>> Co-developed-by: Aaron Kling >>> Signed-off-by: Aaron Kling >>> --- >> >> [...] >> >>> + sound { >>> + compatible = "qcom,sm8550-sndcard", "qcom,sm8450-sndcard"; >>> + pinctrl-0 = <&lpi_i2s3_active>; >>> + pinctrl-names = "default"; >>> + >>> + model = "AYN-Odin2"; >> >> Is this enough of a distinction? Do you need to make any changes to the >> one with a HDMI bridge to get HDMI audio? > > After this quesstion, I tried to verify hdmi and am unable to even get > the connector to come up. The lt8912b driver complains that the > connector doesn't support edid read. Which per the current connector > node is correct, none of the devices list a ddc node. I am trying to > investigate this further, but vendor source release unfortunately > appears to be missing pieces related to this. And no other current > qcom device uses this bridge to take a guess at which controller the > ddc is on. Go through the I2C buses that are enabled on the vendor kernel and try inspecting them with toos like i2cdetect > > On a related note, I'm not sure hdmi is covered in the audio topology. Since this is a DSI bridge, I'd imagine it needs a separate connection to the SoC's sound hardware. We've had similar occurences in the past, e.g. this on the SM8250 RB5 board (qrb5165-rb5.dts): https://github.com/alsa-project/alsa-ucm-conf/blob/master/ucm2/Qualcomm/sm8250/HDMI.conf Maybe +Dmitry could help you out Konrad > What I'm using is here [0]. This is in a fork of the topology repo > with aosp build rules added. Speakers work, headphones out and in > work. DP works only with the pending q6dsp fixups series, which I > should probably narrow down and ask for a 6.18 backport for. The ucm > config [1] I'm basing tests on doesn't handle the built-in mic and I > haven't been able to figure that out yet, so that's also unknown. > > Aaron > > [0] https://github.com/LineageOS/android_hardware_qcom_audioreach-topology/blob/ad67f3777b1d4dec5289bc7117f2ec34521be7e6/AYN-Odin2.m4 > [1] https://github.com/AYNTechnologies/alsa-ucm-conf/commit/d33738b93e9560e8d9e08a024cc84c8055bb7eb9