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Message-Id: <20250908-leds-v3-0-5944dc400668@vinarskis.com>
Date: Mon, 08 Sep 2025 01:18:02 +0200
From: Aleksandrs Vinarskis <alex@...arskis.com>
To: Hans de Goede <hansg@...nel.org>, Lee Jones <lee@...nel.org>,
Pavel Machek <pavel@...nel.org>, Rob Herring <robh@...nel.org>,
Krzysztof Kozlowski <krzk+dt@...nel.org>,
Conor Dooley <conor+dt@...nel.org>,
Bryan O'Donoghue <bryan.odonoghue@...aro.org>,
Daniel Thompson <danielt@...nel.org>, Jingoo Han <jingoohan1@...il.com>,
Mauro Carvalho Chehab <mchehab@...nel.org>,
Jean-Jacques Hiblot <jjhiblot@...phandler.com>,
Jacopo Mondi <jacopo@...ndi.org>,
Sakari Ailus <sakari.ailus@...ux.intel.com>,
Bjorn Andersson <andersson@...nel.org>,
Konrad Dybcio <konradybcio@...nel.org>
Cc: linux-leds@...r.kernel.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org, Daniel Thompson <daniel.thompson@...aro.org>,
dri-devel@...ts.freedesktop.org, linux-media@...r.kernel.org,
linux-arm-msm@...r.kernel.org, Andy Shevchenko <andy.shevchenko@...il.com>,
Linus Walleij <linus.walleij@...aro.org>
Subject: [PATCH v3 0/4] leds: privacy-led support for devicetree
Re-spin of RFC patch from ~2.5 years ago [1]. v4l2 controls for privacy
LEDs has landed, but the DT part was left out. Introduce missing
dt-bindings, and commonize 'leds' parameter. Finally, add a patch to
enable privacy-led on Lenovo Thinkpad x13s.
With recent inflow of arm64-power laptops (Snapdragon X1E/X1P) which
mostly use MIPI cameras, this feature becomes more desired. Original
rebased patch is still working as expected (with respective DT changes)
on Dell XPS 9345.
Changelog to original series:
- Pick RFC patch, pick R-by, drop RFC-related commit message part
- Add new DT binding to describe generic LED consumer properties
- Rebase and test on X1E laptop
[1] https://lore.kernel.org/all/20230120114524.408368-6-hdegoede@redhat.com/
Signed-off-by: Aleksandrs Vinarskis <alex@...arskis.com>
---
Changes in v3:
- Drop unnecessary 'dev->of_node' check by Andy
- Keep 'panic-indicator;' in DT by Konrad
- Fix property/property-name order by Konrad
- Add missing 'led-names' enum definition for video devices by Rob
- Add oneOf to 'leds' to avoid conflict with nodes of same name by Rob
- Link to v2: https://lore.kernel.org/r/20250905-leds-v2-0-ed8f66f56da8@vinarskis.com
Changes in v2:
- Fixed mailing issue
- Fixed wrong R-by, add my missing sign-off
- Elaborated cover letter/commits descriptions to better describe why
this is needed, and why trigger-source could not be used instead
- dt-bindings: expanded schema description, fixed s/phandle/phandle-array/,
expanded the example
- dt-bindings: added patch to commonize 'leds' from other schemas
- leds: dropped wrapper, dropped exporting of private functions
- dts: added patch to utilize privacy-led on Lenovo Thinkpad x13s
- Link to v1: https://lore.kernel.org/all/010201990a1f5ad8-fc97fc84-9ef9-4a03-bf1c-2d54423c6497-000000@eu-west-1.amazonses.com/
---
Aleksandrs Vinarskis (3):
dt-bindings: leds: add generic LED consumer documentation
dt-bindings: leds: commonize leds property
arm64: dts: qcom: sc8280xp-x13s: enable camera privacy indicator
Hans de Goede (1):
leds: led-class: Add devicetree support to led_get()
.../bindings/leds/backlight/led-backlight.yaml | 6 +-
.../devicetree/bindings/leds/leds-consumer.yaml | 89 ++++++++++++++++++++++
.../bindings/leds/leds-group-multicolor.yaml | 5 +-
.../bindings/media/video-interface-devices.yaml | 8 ++
.../dts/qcom/sc8280xp-lenovo-thinkpad-x13s.dts | 8 +-
drivers/leds/led-class.c | 17 ++++-
6 files changed, 118 insertions(+), 15 deletions(-)
---
base-commit: 3db46a82d467bd23d9ebc473d872a865785299d8
change-id: 20250902-leds-c61c877add80
Best regards,
--
Aleksandrs Vinarskis <alex@...arskis.com>
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