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Tue, 20 Oct 2026 03:14:58 -0700 (PDT) Received: from [192.168.226.26] ([178.235.128.140]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-6b38a1c5e36sm5247373a12.17.2026.10.20.03.14.55 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 20 Oct 2026 03:14:57 -0700 (PDT) Message-ID: <01b4728f-a78e-4932-96fa-795283e91cb6@oss.qualcomm.com> Date: Tue, 20 Oct 2026 12:14:55 +0200 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 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v1] arm64: dts: qcom: purwa-iot-evk: add missing DP2 audio link To: Le Qi , Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Srinivas Kandagatla Cc: Abel Vesa , linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, kernel@oss.qualcomm.com References: <20261009030404.1981995-1-le.qi@oss.qualcomm.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <20261009030404.1981995-1-le.qi@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Authority-Analysis: v=2.4 cv=aIplOr9m c=1 sm=1 tr=0 ts=6ad73f23 cx=c_pps a=qKBjSQ1v91RyAK45QCPf5w==:117 a=PRfkaYvzSr8QmIIGAkY2Sg==:17 a=IkcTkHD0fZMA:10 a=660iZSQnnn4A:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=YMgV9FUhrdKAYTUUvYB2:22 a=EUspDBNiAAAA:8 a=hFpWyfsUHjvwOGgMCfsA:9 a=QEXdDO2ut3YA:10 a=NFOGd7dJGGMPyQGDc5-O:22 X-Proofpoint-Spam-Info: AW1haW4tMjYxMDIwMDA0MCBTYWx0ZWRfX76SnRkY0z6Zz DutPEsvvh3pr8y7ihMIOrN9LPpVlDq8KCqrCuseRMHZRRhzRRJ6LywB6ypnx6nvB3Kg49x35lVi TBVqM3TJh6/q6k0ECe2zLXG56TM5GMQ= X-Proofpoint-GUID: 4Lr2INC3ItPA0V2kHwsCYQlM_3QcB4g0 X-Proofpoint-ORIG-GUID: 4Lr2INC3ItPA0V2kHwsCYQlM_3QcB4g0 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYxMDIwMDA0MCBTYWx0ZWRfXy5hI16fqULu5 VAJC0phsOVkDKHxiLGVj9wQXQRPAn2K+6/Ua2UEIMH6Qjpt02aQs5UMXjDaOhIC0iFmTLeIeu2g 760izYjNY2kXQDmvWujOkjw9xbc6V/nmj//n+YsRVvsE/giKUHR53raJF3g0fEhFo3VWmnFdliH LifgvxJkJaxWIt4bOCTvo0neUG4OcrRTG6lcI7naU+zNM3YBrp0rWFVvgjdwBuY66kw3Furpn80 uwuleNSuEOzL43UybxkOp1q5gjsy3kfXt1dKGDNN7iKE0DH6lg08vPrk+BVZ6/A0kFNgSOzDgUa YD3yBI72zSGKEJNTy5xPlyK2qUN1/zTePgL7PgIA2Q3FgUirkSzOWV7xwKZXyh5+jOK6z+/Fm2W gip8XyQJSVlPDbcvpSDmntXbg1DYvKp/ozJesK/gvZ5JaF+vBLsQmnj8EOClz0T61oM8HPDneRo +fdGiKshn244XRFW+pg== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-10-20_01,2026-10-19_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 lowpriorityscore=0 adultscore=0 bulkscore=0 suspectscore=0 spamscore=0 impostorscore=0 phishscore=0 priorityscore=1501 clxscore=1015 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2610190000 definitions=main-2610200040 On 10/9/26 5:04 AM, Le Qi wrote: > The DP2 DAI link is missing from the sound card definition, preventing > audio playback over the third DisplayPort interface. > > Add the required codec, CPU, and platform DAI configuration to enable > audio playback over DP2. > > Signed-off-by: Le Qi > --- > arch/arm64/boot/dts/qcom/purwa-iot-evk.dts | 16 ++++++++++++++++ > 1 file changed, 16 insertions(+) > > diff --git a/arch/arm64/boot/dts/qcom/purwa-iot-evk.dts b/arch/arm64/boot/dts/qcom/purwa-iot-evk.dts > index a811d8ca2dbf..93cefffd1f46 100644 > --- a/arch/arm64/boot/dts/qcom/purwa-iot-evk.dts > +++ b/arch/arm64/boot/dts/qcom/purwa-iot-evk.dts > @@ -641,6 +641,22 @@ platform { > sound-dai = <&q6apm>; > }; > }; > + > + dp2-dai-link { > + link-name = "DP2 Playback"; > + > + codec { > + sound-dai = <&mdss_dp2>; > + }; > + > + cpu { > + sound-dai = <&q6apmbedai DISPLAY_PORT_RX_2>; > + }; > + > + platform { > + sound-dai = <&q6apm>; > + }; > + }; Srini, can/should this be in the SoC DT? Konrad