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Version 0.6 - 19 March 2013
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* Add workaround for Linux 3.8 regression (not present in earlier or latter
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versions) that prevented the video card from turned off unless a driver was
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loaded before.
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* Compatibility with grsec patches.
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* Add 'skip_optimus_dsm' module option so users of Lenovo T410s can use bbswitch
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by setting this option to true.
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* Clarify license (GPLv3).
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Version 0.5 - 22 October 2012
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* Improved compatibility with older DKMS versions.
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* Set device state to D3cold instead of D3hot.
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* Only print DSM method call results when debugging is enabled.
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* Fixed runtime power management regression in Linux 3.6.
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Version 0.4.2 - 26 April 2012
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* Fixed a documentation error on unload_state.
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* Added Makefile.dkms and documentation for easier installation using DKMS.
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* Make /proc/acpi/bbswitch world-writable
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* Fix NULL pointer dereference when reporting a failure during ACPI method
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evaluation.
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Version 0.4.1 - 16 January 2012
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* Corrected a small error that yielded an confusing error message "The discrete
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card could not be enabled by a _DSM call"
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Version 0.4 - 15 January 2012
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* Support for models that have a "3D controller" instead of "VGA compatible
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controller".
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Version 0.3 - 14 January 2012
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* Support for models that have the nvidia DSM method on the integrated Intel
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video card instead of the nvidia one. This includes at the Acer Travelmate
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8472TG and Acer Aspire 5745G.
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Version 0.2 - 2 January 2012
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* Initial release, adding a kernel module that can disable discrete nvidia cards
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on Optimus systems.
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