Google
  Web www.spinics.net

Re: [PATCH 01/14] ACPI / Video: blacklist some samsung laptops

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]


On Tue, Mar 20, 2012 at 05:28:06PM +0100, Corentin Chary wrote:
> On Tue, Mar 20, 2012 at 5:05 PM, Matthew Garrett <mjg59@xxxxxxxxxxxxx> wrote:
> > Are the hotkeys delivered via ACPI or via the Samsung device? If the
> > latter, you can just do unregister_acpi_video() instead in the samsung
> > driver and avoid having more machine-specific quirks in the ACPi code.
> 
> I wasn't aware of acpi_video_unregister(). The issue with that
> solution is that it makes it harder to respect acpi_video= parameter.
> 
> On these machines, the ACPI Video device is broken (I don't know how,
> I don't have the hardware, I just know it doesn't work at all), and I
> want the default to be acpi_backlight=vendor, but it is still a good
> idea to let users force acpi_backlight=video.

If it's broken then I don't think there's a great argument for providing 
an argument just to let people re-break their kernel :)

> But if the policy is to use acpi_video_unregister() when the video
> module is known to be broken, let's do that.

As long as ACPI isn't being used to deliver brightness keys, then this 
is fine.

-- 
Matthew Garrett | mjg59@xxxxxxxxxxxxx
--
To unsubscribe from this list: send the line "unsubscribe linux-acpi" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html


[Site Home]     [Linux IBM ACPI]     [Linux Power Management]     [Linux Kernel]     [Linux Laptop]     [Kernel Newbies]     [Share Photos]     [Security]     [Netfilter]     [Bugtraq]     [Rubini]     [Photo]     [Yosemite Photos]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Samba]     [Video 4 Linux]     [Device Mapper]     [Linux Resources]


  Powered by Linux