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[78.88.45.245]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-b9b7ae24d81sm284138466b.12.2026.03.30.04.01.36 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 30 Mar 2026 04:01:37 -0700 (PDT) Message-ID: <801f089f-7d3d-460d-890e-b0b170bd3ec9@oss.qualcomm.com> Date: Mon, 30 Mar 2026 13:01:35 +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 , Dmitry Baryshkov 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> <78d7d85e-ecd8-42ca-b59e-b7fbcecf1502@oss.qualcomm.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <78d7d85e-ecd8-42ca-b59e-b7fbcecf1502@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Authority-Analysis: v=2.4 cv=csKWUl4i c=1 sm=1 tr=0 ts=69ca5814 cx=c_pps a=+D9SDfe9YZWTjADjLiQY5g==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=Yq5XynenixoA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=DJpcGTmdVt4CTyJn9g5Z:22 a=5tAmg9hwAAAA:20 a=NEAV23lmAAAA:8 a=EUspDBNiAAAA:8 a=pGLkceISAAAA:8 a=g9K1X23dYJYEkdOYvrIA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=vmgOmaN-Xu0dpDh8OwbV:22 a=bA3UWDv6hWIuX7UZL3qL:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMzMwMDA4NiBTYWx0ZWRfXy08qTITtQ7pu Y6cEBmZwRSFRjDhKcESG8En52FhQQO8+zPIAYN1t0ms1Icvj4p3Q1OT9pMd6PKHA2G3D4kDZGzu KdFY3Mo9/D4hm4C11BSOqx08nw/uwVGd8jjXIL1IgO+3P7IQKwBqDVfZo8z8iltnqeTAooEzvHw mvygxgWZ8+iZjh7fxIhhpxEZUB0iPHaL7HojOhMXF5cCQFLz9BUxacLEPnsMB9XEUL08VKkoR9T qIgUnUusfdTqntJ8J4r9Csp86DhjavB6eJYsVAJ64RSd6xVweAf1ZMH3QrNskt0n14IB7hK0AcA FWDchSK9nH3mUQWdJyts7UIzEn03A0cYY6LzD5O+WPX8AdWTimeJmQmSj/4TcHq5chWtn6cQcH2 ZuDoBm+QKoZ6y0SsAiKyLg8QbJJYhknflnE6kRYKxfvpc9ruGcqvZxeRkMtwdLZD4uLhzyq4Sgf B1mj8tae3XQjnelnCtA== X-Proofpoint-ORIG-GUID: vpSXzKzHKHrvA0y3Wgane65lTogQ-_H0 X-Proofpoint-GUID: vpSXzKzHKHrvA0y3Wgane65lTogQ-_H0 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 phishscore=0 malwarescore=0 clxscore=1015 adultscore=0 impostorscore=0 priorityscore=1501 bulkscore=0 lowpriorityscore=0 suspectscore=0 spamscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2603050001 definitions=main-2603300086 On 3/30/26 1:00 PM, Konrad Dybcio wrote: > 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 (mentions work better when you actually add the people you intended to - fixing that) > > 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