| Index: drivers/gpu/drm/Kconfig
|
| diff --git a/drivers/gpu/drm/Kconfig b/drivers/gpu/drm/Kconfig
|
| index 305c590039634603972d31ed02ab72b49e202938..14e21c37c01118907cfde0279dc0b3b296341c5a 100644
|
| --- a/drivers/gpu/drm/Kconfig
|
| +++ b/drivers/gpu/drm/Kconfig
|
| @@ -124,6 +124,18 @@ config DRM_I915_KMS
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| the driver to bind to PCI devices, which precludes loading things
|
| like intelfb.
|
|
|
| +config DRM_I915_DIRECT_BACKLIGHT
|
| + bool "Enable direct backlight control"
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| + depends on DRM_I915
|
| + help
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| + Choose this option if you want the i915 driver to provide direct
|
| + backlight control via /sys/class/backlight/i915_backlight. This
|
| + is in addition to the ACPI interface (which may also be in that
|
| + directory) that uses ASLE (ACPI Source Language Events) events to
|
| + get to i915_opregion.c code.
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| + Direct backlight control gives finer granularity (0-256) than ACPI
|
| + and does not require BIOS support.
|
| +
|
| endchoice
|
|
|
| config DRM_MGA
|
|
|