linux-kernel - [PATCH v2 0/5] Add DisplayPort sound support for Fairphone 5 smartphone

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Message-Id: <20250418-fp5-dp-sound-v2-0-05d65f084b05@fairphone.com>
Date: Fri, 18 Apr 2025 15:13:41 +0200
From: Luca Weiss <luca.weiss@...rphone.com>
To: Srinivas Kandagatla <srini@...nel.org>, 
 Banajit Goswami <bgoswami@...cinc.com>, Liam Girdwood <lgirdwood@...il.com>, 
 Mark Brown <broonie@...nel.org>, Rob Herring <robh@...nel.org>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, Jaroslav Kysela <perex@...ex.cz>, 
 Takashi Iwai <tiwai@...e.com>, Bjorn Andersson <andersson@...nel.org>, 
 Konrad Dybcio <konradybcio@...nel.org>
Cc: ~postmarketos/upstreaming@...ts.sr.ht, phone-devel@...r.kernel.org, 
 alsa-devel@...a-project.org, linux-arm-msm@...r.kernel.org, 
 linux-sound@...r.kernel.org, devicetree@...r.kernel.org, 
 linux-kernel@...r.kernel.org, Luca Weiss <luca.weiss@...rphone.com>
Subject: [PATCH v2 0/5] Add DisplayPort sound support for Fairphone 5
 smartphone

Add the necessary sound card bits and some dts additions to enable sound
over DisplayPort-over-USB-C, e.g. to a connected TV or monitor.

The UCM files can be found here:
https://gitlab.postmarketos.org/postmarketOS/pmaports/-/tree/master/device/testing/device-fairphone-fp5/ucm

This series - in spirit - depends on the series enabling DisplayPort in
the first place, but can land pretty independently, especially the ASoC
bits:
https://lore.kernel.org/linux-arm-msm/20250312-fp5-pmic-glink-dp-v2-0-a55927749d77@fairphone.com/

Signed-off-by: Luca Weiss <luca.weiss@...rphone.com>
---
Changes in v2:
- Revamp series based on comments on v1, doesn't have much too much in
  common anymore
- Use sm8250 instead of sc8280xp sndcard file, so port other required
  changes from sc8280xp.c to sm8250.c
- This also changes the sound card compatible to from
  qcom,qcm6490-sndcard to fairphone,fp5-sndcard
- Link to v1: https://lore.kernel.org/r/20240809-fp5-dp-sound-v1-0-d7ba2c24f6b9@fairphone.com

---
Luca Weiss (5):
      ASoC: dt-bindings: qcom,sm8250: Add Fairphone 5 sound card
      ASoC: qcom: sm8250: set card driver name from match data
      ASoC: qcom: sm8250: add DisplayPort Jack support
      ASoC: qcom: sm8250: Add Fairphone 5 soundcard compatible
      arm64: dts: qcom: qcm6490-fairphone-fp5: Add DisplayPort sound support

 .../devicetree/bindings/sound/qcom,sm8250.yaml     |  1 +
 arch/arm64/boot/dts/qcom/qcm6490-fairphone-fp5.dts | 31 ++++++++++++++++++++++
 sound/soc/qcom/sm8250.c                            | 28 +++++++++++--------
 3 files changed, 49 insertions(+), 11 deletions(-)
---
base-commit: 7f1dd4e6634d085f3c9652d4e0f1903659fb96f9
change-id: 20240809-fp5-dp-sound-b3768f3019bd

Best regards,
-- 
Luca Weiss <luca.weiss@...rphone.com>