wireguard-linux/drivers/video/backlight/Kconfig, branch stable

backlight: ktd2801: Fix unmet dependency on GPIOLIB

2026-08-12T12:15:30Z

LEDS_EXPRESSWIRE depends on GPIOLIB, so its selector, BACKLIGHT_KTD2801 also needs to ensure GPIOLIB is enabled. Otherwise: WARNING: unmet direct dependencies detected for LEDS_EXPRESSWIRE Depends on [n]: NEW_LEDS [=n] && GPIOLIB [=n] Selected by [y]: - BACKLIGHT_KTD2801 [=y] && HAS_IOMEM [=y] && BACKLIGHT_CLASS_DEVICE [=y] This unmet dependency was found by kconfirm, a static analysis tool for Kconfig. Fixes: d95963e309bc ("backlight: ktd2801: Depend on GPIOLIB") Signed-off-by: Julian Braha Reviewed-by: Daniel Thompson (RISCstar) Acked-by: Duje Mihanović Tested-by: Randy Dunlap Acked-by: Randy Dunlap Link: https://patch.msgid.link/20260719024902.151710-1-julianbraha@gmail.com Signed-off-by: Lee Jones

backlight: Add SY7758 6-channel High Efficiency LED Driver support

2026-07-02T16:30:33Z

Implement support for the Silergy SY7758 6-channel High Efficiency LED Driver used for backlight brightness control in the Ayaneo Pocket S2 dual-DSI panel. Signed-off-by: KancyJoe Signed-off-by: Neil Armstrong Reviewed-by: Daniel Thompson (RISCstar) Link: https://patch.msgid.link/20260529-topic-sm8650-ayaneo-pocket-s2-sy7758-v5-2-03aacd49747c@linaro.org Signed-off-by: Lee Jones

backlight: cgbc: Remove redundant X86 dependency

2026-05-07T13:25:19Z

The backlight driver depends on the MFD cgbc-core driver, which already depends on X86. The explicit X86 dependency for the backlight driver is redundant and can be safely removed. Signed-off-by: Thomas Richard Reviewed-by: Daniel Thompson (RISCstar) Link: https://patch.msgid.link/20260427-backlight-cgbc-remove-x86-dependency-v2-1-da9f2375a34a@bootlin.com Signed-off-by: Lee Jones

backlight: Add max25014atg backlight

2026-04-30T13:54:34Z

The Maxim MAX25014 is a 4-channel automotive grade backlight driver IC with integrated boost controller. Signed-off-by: Maud Spierings Reviewed-by: Daniel Thompson (RISCstar) Link: https://patch.msgid.link/20260407-max25014-v8-2-14eac7ed673a@gocontroll.com Signed-off-by: Lee Jones

backlight: Add Congatec Board Controller (CGBC) backlight support

2026-01-08T11:15:00Z

This driver provides backlight brightness control through the Linux backlight subsystem. It communicates with the board controller to adjust LCD backlight using PWM signals. Communication is done through Congatec Board Controller core driver. Tested-by: Thomas Richard Reviewed-by: Thomas Richard Reviewed-by: Daniel Thompson (RISCstar) Signed-off-by: Petri Karhula Link: https://patch.msgid.link/20251205-cgbc-backlight-v6-1-e4175b0bf406@novatron.fi Signed-off-by: Lee Jones

backlight: aw99706: Add support for Awinic AW99706 backlight

2025-11-25T12:54:14Z

Add support for Awinic AW99706 backlight, which can be found in tablet and notebook backlight, one case is the Lenovo Legion Y700 Gen4. This driver refers to the official datasheets and android driver, they can be found in [1]. [1] https://www.awinic.com/en/productDetail/AW99706QNR Signed-off-by: Junjie Cao Tested-by: Pengyu Luo Signed-off-by: Pengyu Luo Reviewed-by: Daniel Thompson (RISCstar) Link: https://patch.msgid.link/20251109032240.3422503-3-caojunjie650@gmail.com Signed-off-by: Lee Jones

backlight: ktd2801: Depend on GPIOLIB

2025-11-06T16:56:01Z

The LEDS_EXPRESSWIRE library used by the driver requires GPIOLIB. Make sure this dependency is not left unsatisfied. Reported-by: Randy Dunlap Closes: https://lore.kernel.org/all/b6c481bb-e854-405e-a428-90301789fe20@infradead.org/ Signed-off-by: Duje Mihanović Reviewed-by: Daniel Thompson (RISCstar) Reviewed-by: Randy Dunlap Tested-by: Randy Dunlap Acked-by: Randy Dunlap Link: https://patch.msgid.link/20250729-expresswire-dep-fix-v1-2-635cd4cc746b@dujemihanovic.xyz Signed-off-by: Lee Jones

backlight: pcf50633-backlight: Remove unused driver

2025-03-14T11:36:33Z

The pcf50633 was used as part of the OpenMoko devices but the support for its main chip was recently removed in: commit 61b7f8920b17 ("ARM: s3c: remove all s3c24xx support") See https://lore.kernel.org/all/Z8z236h4B5A6Ki3D@gallifrey/ Remove it. Signed-off-by: "Dr. David Alan Gilbert" Link: https://lore.kernel.org/r/20250311014959.743322-8-linux@treblig.org Signed-off-by: Lee Jones

backlight: tdo24m: Eliminate redundant whitespace

2025-03-14T10:53:54Z

The description for CONFIG_LCD_TDO24M has redundant whitespace. Trim it to keep the code tidy. Signed-off-by: WangYuli Link: https://lore.kernel.org/r/8FC39A4DC2529591+20250310045636.14329-1-wangyuli@uniontech.com Signed-off-by: Lee Jones

backlight: apple_dwi_bl: Add Apple DWI backlight driver

2025-02-20T15:14:29Z

Add driver for backlight controllers attached via Apple DWI 2-wire interface, which is found on some Apple iPhones, iPads and iPod touches with a LCD display. Although there is an existing apple_bl driver, it is for backlight controllers on Intel Macs attached via PCI, which is completely different from the Samsung-derived DWI block. Reviewed-by: "Daniel Thompson (RISCstar)" Signed-off-by: Nick Chan Reviewed-by: Neal Gompa Link: https://lore.kernel.org/r/20250214040306.16312-3-towinchenmi@gmail.com Signed-off-by: Lee Jones