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e0654264c4
- Remove unused BACKLIGHT_LCD_SUPPORT symbol; Kconfig
- Remove unused BACKLIGHT_CLASS_DEVICE dependencies; Kconfig
- Add DT support; lm3630a_bl
- Bug Fixes
- Fix error path issues; lm3630a_bl
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Merge tag 'backlight-next-5.2' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight
Pull backlight updates from Lee Jones:
"Fix-ups:
- Remove unused BACKLIGHT_LCD_SUPPORT symbol
- Remove unused BACKLIGHT_CLASS_DEVICE dependencies
- Add DT support to lm3630a_bl
Bug Fixes:
- Fix error path issues in lm3630a_bl"
* tag 'backlight-next-5.2' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight:
backlight: lm3630a: Add firmware node support
dt-bindings: backlight: Add lm3630a bindings
backlight: lm3630a: Return 0 on success in update_status functions
video: lcd: Remove useless BACKLIGHT_CLASS_DEVICE dependencies
video: backlight: Remove useless BACKLIGHT_LCD_SUPPORT kernel symbol
36 lines
1.4 KiB
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36 lines
1.4 KiB
Text
# SPDX-License-Identifier: GPL-2.0
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config FB_OLPC_DCON
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tristate "One Laptop Per Child Display CONtroller support"
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depends on OLPC && FB
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depends on I2C
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depends on (GPIO_CS5535 || GPIO_CS5535=n)
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select BACKLIGHT_CLASS_DEVICE
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help
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In order to support very low power operation, the XO laptop uses a
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secondary Display CONtroller, or DCON. This secondary controller
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is present in the video pipeline between the primary display
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controller (integrate into the processor or chipset) and the LCD
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panel. It allows the main processor/display controller to be
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completely powered off while still retaining an image on the display.
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This controller is only available on OLPC platforms. Unless you have
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one of these platforms, you will want to say 'N'.
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config FB_OLPC_DCON_1
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bool "OLPC XO-1 DCON support"
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depends on FB_OLPC_DCON && GPIO_CS5535
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default y
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help
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Enable support for the DCON in XO-1 model laptops. The kernel
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communicates with the DCON using model-specific code. If you
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have an XO-1 (or if you're unsure what model you have), you should
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say 'Y'.
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config FB_OLPC_DCON_1_5
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bool "OLPC XO-1.5 DCON support"
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depends on FB_OLPC_DCON && ACPI
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default y
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help
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Enable support for the DCON in XO-1.5 model laptops. The kernel
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communicates with the DCON using model-specific code. If you
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have an XO-1.5 (or if you're unsure what model you have), you
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should say 'Y'.
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