[Bug 1165348] [NEW] Backlight control does not work and there are no entries in /sys/class/backlight.

Public bug reported: Backlight control does not work and there are no entries in /sys/class/backlight. No change using kernel parameter acpi_backlight=vendor. ProblemType: Bug DistroRelease: Ubuntu 13.04 Package: linux-image-3.8.0-16-generic 3.8.0-16.26 ProcVersionSignature: Ubuntu 3.8.0-16.26-

[Bug 1165348] Re: Backlight control does not work and there are no entries in /sys/class/backlight.

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[Bug 1165348] Re: Backlight control does not work and there are no entries in /sys/class/backlight.

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[Bug 1165348] Re: Backlight control does not work and there are no entries in /sys/class/backlight.

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[Bug 1165348] Re: Backlight control does not work and there are no entries in /sys/class/backlight.

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[Bug 1165348] Re: Backlight control does not work and there are no entries in /sys/class/backlight.

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[Bug 1165348] Re: Backlight control does not work and there are no entries in /sys/class/backlight.

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[Bug 1165348] Re: Backlight control does not work and there are no entries in /sys/class/backlight.

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[Bug 1165348] Re: Backlight control does not work and there are no entries in /sys/class/backlight.

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[Bug 1165348] Re: Backlight control does not work and there are no entries in /sys/class/backlight.

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[Bug 1165348] Re: Backlight control does not work and there are no entries in /sys/class/backlight.

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[Bug 1165348] Re: Backlight control does not work and there are no entries in /sys/class/backlight.

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[Bug 1165348] Re: Backlight control does not work and there are no entries in /sys/class/backlight.

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[Bug 1165348] Re: Backlight control does not work and there are no entries in /sys/class/backlight.

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