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[78.88.45.245]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-65a3cf38caasm1504713a12.17.2026.02.12.01.34.28 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 12 Feb 2026 01:34:30 -0800 (PST) Message-ID: Date: Thu, 12 Feb 2026 10:34:27 +0100 Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 01/10] ASoC: dt-bindings: qcom,sm8250: add compatible for sdm660-internal To: Nickolay Goppen , Krzysztof Kozlowski , Dmitry Baryshkov Cc: Richard Acayan , Srinivas Kandagatla , Liam Girdwood , Mark Brown , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Jaroslav Kysela , Takashi Iwai , Greg Kroah-Hartman , Wesley Cheng , Johan Hovold , Konrad Dybcio , linux-arm-msm@vger.kernel.org, linux-sound@vger.kernel.org, devicetree@vger.kernel.org References: <20260211020302.2674-1-mailingradian@gmail.com> <20260211020302.2674-2-mailingradian@gmail.com> <20260211-skilled-transparent-moth-fac10f@quoll> Content-Language: en-US From: Konrad Dybcio In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMjEyMDA2OSBTYWx0ZWRfXxXZRm/u7upNy 1HwNUS1I69OIce496wcR6gRxKHRjkc07UqNo5BjB45jSg9RcRZ5xhsHiiMwz6wYtSriQllzjSx5 3ncki1phn4CiD1Ds/DD5ByQIJYTM9fiNikVcaX+x+h8pgjBZtJ5N+ZajeuKDVRsSZRlbIUxeNX4 OCjDjZx11IqCG3CRvW6pH4kBqxRmiVVbS8iFyoOpzX47HClxnDitemDAWs9L136+RWlVkTAo9It bIx5MtDjxkthS+BpghNDtK8jd4z0C8u5XlJaL5wkoynXhuqnZhAW0qM8LBf91iJfQhVDig5BcVH r2yGqNyY/NYIQD/hX3TEIMQo0aSh6/FcD0kXZqldAeqNVZIxxYb+irDG0loR74pEyKZ9TlSYv8l HpuP78ciGouo9bcfnll0ddPP151HQjGsiaBA5uA4ZxDWsYDcIXQTrPfpgqzQhrH3P8kLHer8qoN Qj/kQMEDDgpn9USVocg== X-Proofpoint-ORIG-GUID: _VCseayF6R71ZHy3KZ6FWbk0kxPX7xJD X-Authority-Analysis: v=2.4 cv=dLCrWeZb c=1 sm=1 tr=0 ts=698d9eaa cx=c_pps a=hnmNkyzTK/kJ09Xio7VxxA==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=HzLeVaNsDn8A:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=Mpw57Om8IfrbqaoTuvik:22 a=GgsMoib0sEa3-_RKJdDe:22 a=qC_FGOx9AAAA:8 a=OuZLqq7tAAAA:8 a=rzGM_l7p_Wc7VUtEW-UA:9 a=QEXdDO2ut3YA:10 a=PEH46H7Ffwr30OY-TuGO:22 a=fsdK_YakeE02zTmptMdW:22 a=AKGiAy9iJ-JzxKVHQNES:22 X-Proofpoint-GUID: _VCseayF6R71ZHy3KZ6FWbk0kxPX7xJD X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-02-12_02,2026-02-11_04,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 phishscore=0 lowpriorityscore=0 adultscore=0 impostorscore=0 priorityscore=1501 spamscore=0 suspectscore=0 clxscore=1015 malwarescore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2601150000 definitions=main-2602120069 On 2/11/26 10:55 PM, Nickolay Goppen wrote: > > 11.02.2026 09:51, Krzysztof Kozlowski wrote: >> On Wed, Feb 11, 2026 at 04:11:24AM +0200, Dmitry Baryshkov wrote: >>> On Tue, Feb 10, 2026 at 09:02:53PM -0500, Richard Acayan wrote: >>>> From: Nickolay Goppen >>>> >>>> Add compatibles for sdm660-internal based soundcards. >>> Why is it called "internal"? >> Yeah... I am pretty sure there is no such sound card. You cannot have >> sound card internal to the soc, because you need the external components >> like codecs. > > It comes mainly from downstream driver name [1]. > > Downstream also mentions it as int_codec [2]. > > There's also an sdm660-external sndcard [3]. It seems like "external" means "coupled with WCD934x+WSA881x" and "internal" means "coupled with (digital cdc on SoC and analog on PMIC)-over-intI2S plus optionally WSA881x". I also notice some details about a WCN slimbus channel (bt and FM radio?) in the internal one. Konrad > [1]: https://git.codelinaro.org/clo/la/kernel/msm-4.4/-/blob/LA.UM.8.2.r1-07500-sdm660.0/sound/soc/msm/sdm660-internal.c > > [2]: https://git.codelinaro.org/clo/la/kernel/msm-4.4/-/blob/LA.UM.8.2.r1-07500-sdm660.0/arch/arm/boot/dts/qcom/msm-audio.dtsi#L835 > > [3]: https://git.codelinaro.org/clo/la/kernel/msm-4.4/-/blob/LA.UM.8.2.r1-07500-sdm660.0/sound/soc/msm/sdm660-external.c >> Best regards, >> Krzysztof >