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authorMatthew Garrett <mjg59@srcf.ucam.org>2007-12-26 02:03:26 +0000
committerLen Brown <len.brown@intel.com>2008-02-01 22:43:31 -0500
commit38531e6fe51ad5c7dfe72e0e066b5f54bc1921cd (patch)
tree84d20e98033a647569b751aa43419d166f587c6d /Documentation/00-INDEX
parentaa6299926950c8dfe2fea638276cad6def092bc9 (diff)
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ACPI: video: Rationalise ACPI backlight implementation
The sysfs backlight class provides no mechanism for querying the acceptable brightness for a backlight. The ACPI spec states that values are only valid if they are reported as available by the firmware. Since we can't provide that information to userspace, instead collapse the range to the number of actual values that can be set. http://bugzilla.kernel.org/show_bug.cgi?id=9277 Signed-off-by: Matthew Garrett <mjg59@srcf.ucam.org> Acked-by: Zhang Rui <rui.zhang@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
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