https://bugzilla.kernel.org/show_bug.cgi?id=54261
Aaron Lu <aaron...@intel.com> changed:
What |Removed |Added
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AssignedTo|acpi_power-video@kernel-bug |aaron...@intel.com
|s.osdl.org |
--- Comment #9 from Aaron Lu <aaron...@intel.com> 2013-03-07 03:54:11 ---
Looks like the _BQC control method doesn't behave correctly: it should return
100 but returned 30, and cause acpi video driver thinks the _BQC uses index
instead of value, and when set level it will use 30 as index and get a crazy
level value.
I don't see there is any code logic change for acpi video driver in 2.6.34
compared with the current mainline kernel, perhaps some ACPICA change made the
_BQC control method fail. Can you please attach a similar dmesg as comment #2
for 2.6.34? Thanks.
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