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From: Rudraksha Gupta via B4 Relay <devnull+guptarud.gmail.com@kernel.org>
To: Lee Jones <lee@kernel.org>, Pavel Machek <pavel@kernel.org>,
	 Rob Herring <robh@kernel.org>,
	Krzysztof Kozlowski <krzk+dt@kernel.org>,
	 Conor Dooley <conor+dt@kernel.org>,
	Linus Walleij <linusw@kernel.org>,
	 Bjorn Andersson <andersson@kernel.org>,
	 Konrad Dybcio <konradybcio@kernel.org>,
	Liam Girdwood <lgirdwood@gmail.com>,
	 Mark Brown <broonie@kernel.org>
Cc: linux-leds@vger.kernel.org, devicetree@vger.kernel.org,
	 linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org,
	 phone-devel@vger.kernel.org,
	Rudraksha Gupta <guptarud@gmail.com>,
	 David Heidelberg <david@ixit.cz>
Subject: [PATCH v2 0/3] Samsung Expressatt: Camera Flash
Date: Wed, 18 Mar 2026 11:34:38 -0700	[thread overview]
Message-ID: <20260318-expressatt_camera_flash-v2-0-5c2b9a623dcb@gmail.com> (raw)

This small series adds camera flash to an existing similar mainline
driver and adds it the the Samsung Expressatt's DTS

Assisted by AI (Claude).

Downstream reference:
Link: https://github.com/LineageOS/android_kernel_samsung_d2/blob/stable/cm-12.0-YNG4N/drivers/leds/Makefile#L51
Link: https://github.com/LineageOS/android_kernel_samsung_d2/blob/stable/cm-12.0-YNG4N/arch/arm/mach-msm/board-apexq-camera.c#L591

Signed-off-by: Rudraksha Gupta <guptarud@gmail.com>
---
Changes in v2:
- dt-bindings: Explain the hardware and not the driver
- **/*: Use vin-supply instead of unlock-gpio
- expressatt DTS: Reorder pinctrl-*
- expressatt DTS: Define rfs-ohms to a default (couldn't find
                  information about this)
- Link to v1: https://lore.kernel.org/r/20260306-expressatt_camera_flash-v1-0-b1996f7cdfdd@gmail.com

---
Rudraksha Gupta (3):
      dt-bindings: leds: rt8515: Support single-GPIO flash ICs with vin supply
      leds: flash: rt8515: Support single-GPIO flash ICs with vin supply
      ARM: dts: qcom: msm8960: expressatt: Add camera flash

 .../devicetree/bindings/leds/richtek,rt8515.yaml   | 34 +++++++++++-
 .../dts/qcom/qcom-msm8960-samsung-expressatt.dts   | 43 +++++++++++++++
 drivers/leds/flash/leds-rt8515.c                   | 64 +++++++++++++++++++---
 3 files changed, 132 insertions(+), 9 deletions(-)
---
base-commit: e9ec05addd1a067fc7cb218f20ecdc1b1b0898c0
change-id: 20260306-expressatt_camera_flash-13c15a7427aa
prerequisite-message-id: <20251205-expressatt-touchkey-v1-1-1444b927c9f3@gmail.com>
prerequisite-patch-id: 8de4de7909722ccaf385c4224f25a623eaa72c28

Best regards,
-- 
Rudraksha Gupta <guptarud@gmail.com>



             reply	other threads:[~2026-03-18 18:34 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-03-18 18:34 Rudraksha Gupta via B4 Relay [this message]
2026-03-18 18:34 ` [PATCH v2 1/3] dt-bindings: leds: rt8515: Support single-GPIO flash ICs with vin supply Rudraksha Gupta via B4 Relay
2026-03-19 12:38   ` Linus Walleij
2026-03-19 17:15   ` Conor Dooley
2026-03-18 18:34 ` [PATCH v2 2/3] leds: flash: " Rudraksha Gupta via B4 Relay
2026-03-19 12:47   ` Linus Walleij
2026-03-18 18:34 ` [PATCH v2 3/3] ARM: dts: qcom: msm8960: expressatt: Add camera flash Rudraksha Gupta via B4 Relay
2026-03-19 10:34   ` Konrad Dybcio

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