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SubjectRe: [REGRESSION/PATCH] acpi: blacklist win8 OSI for ASUS Zenbok Prime UX31A
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On Mon, Jul 29, 2013 at 3:47 PM, Rafael J. Wysocki <rjw@sisk.pl> wrote:
> On Monday, July 29, 2013 03:22:56 PM Felipe Contreras wrote:
>> On Mon, Jul 29, 2013 at 3:17 PM, Rafael J. Wysocki <rjw@sisk.pl> wrote:
>> > On Monday, July 29, 2013 02:20:58 PM Felipe Contreras wrote:
>> >> Since v3.7 the acpi backlight driver doesn't work at all on this machine
>> >> because presumably the ACPI code contains stub code when Windows 8 OSI is
>> >> reported.
>> >>
>> >> The commit ea45ea7 (in v3.11-rc2) tried to fix this problem by using the intel
>> >> backlight driver, however, on this machine it turns the backlight completely
>> >> off when it reaches level 0%, after which the user might have a lot trouble
>> >> trying to bring it back.
>> >>
>> >> This patch fixes both regressions by blacklisting the win8 OSI, so we are back
>> >> to v3.6 behavior, and it should remain that way until the intel backlight
>> >> driver is fixed.
>> >
>> > Well, it really is a workaround, so perhaps it would be fair to call it this
>> > way?
>>
>> Maybe, but to me, and to most users, the important thing is that it
>> fixes a regression.
>>
>> >> Since v3.7, users have been forced to fix the initial regression by modifying
>> >> the boot arguments [1].
>> >>
>> >> [1] https://wiki.archlinux.org/index.php/ASUS_Zenbook_Prime_UX31A
>> >>
>> >> Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com>
>> >
>> > I don't really feel this is the right approach, but then I don't care enough
>> > to fight with you. :-)
>>
>> It's not the right approach, I don't think I (or anybody) argued
>> otherwise, but unless the Intel driver is fixed before 3.11, it's the
>> only sane approach.
>
> Oh, you're *so* sure about that ...

Yeah, I have heard Linus say many many times that Linux should never
ever break user-experience, that's the number one rule.

http://www.youtube.com/watch?v=kzKzUBLEzwk&t=1m58s

--
Felipe Contreras


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