![]() i915 opregion brightness control silently fails on GM45 (pci-id 0x2a42) The i915 driver uses the new hook to take over brightness control. ![]() Methods, a new acpi_brightness_hook interface is made available. In order to avoid the often-dysfunctional native acpi brightness control Note especially the KNOWN PROBLEM with a "GM45" GPU. Requesting comments on this idea (proposed by Matthew Garrett) and my To: linux-acpi, intel-gfx +Cc: Kamal Mostafa ` (3 more replies) 0 siblings, 4 replies 9+ messages in threadįrom: Kamal Mostafa 22:11 UTC ( / raw) 22:11 ` acpi/video: acpi_brightness_hook API Kamal Mostafa I915 brightness control All of help / color / mirror / Atom feed * i915 brightness control 22:11 Kamal Mostafa
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