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7751ab8e60
Reasonably recent Vaios have a 0x12f or 0x137 handler that exposes a fine lid backlight regulation with values ranging from 0 to 255. The patch is based on findings and code from Javier Achirica <achirica@gmail.com> and Marco Chiappero <marco@absence.it> Signed-off-by: Mattia Dongili <malattia@linux.it> Signed-off-by: Matthew Garrett <mjg@redhat.com> |
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