From: Alexey Starikovskiy <aystarik@gmail.com>
To: Alan Hourihane <alanh@fairlite.demon.co.uk>
Cc: Len Brown <lenb@kernel.org>, linux-acpi@vger.kernel.org
Subject: Re: obtaining acpi details outside of drivers/acpi
Date: Thu, 06 Sep 2007 18:17:44 +0400 [thread overview]
Message-ID: <46E00C08.4030200@gmail.com> (raw)
In-Reply-To: <1189086833.7969.58.camel@localhost>
Alan Hourihane wrote:
> On Thu, 2007-09-06 at 09:22 -0400, Len Brown wrote:
>> On Thursday 06 September 2007 07:47, Alan Hourihane wrote:
>>
>>> Mmm. It seems acpi_video_bus_check() is static and therefore not
>>> available outside of video.c
>>>
>>>> BTW. I'm curious what you are trying to do.
>>>> There is actually quite a bit of movement in this code right now.
>>> Think about fbdev drivers (or some video driver).... Rather than
>>> bang on the hardware to try and do auto-detection of devices, it's much
>>> easier (and sometimes required) to just ask the system BIOS via ACPI to
>>> see what devices are available.
>>>
>>> I want to parse _DOD myself to see what's available in kernel space.
>> It would be good to have this code in only one place
>> and export it from there to other parts of the kernel that need it.
>> I'd like to be able to not have fbdev drivers depend on the acpi video driver,
>> so perhaps we could have some generic interface where fbdev is the consumer
>> and in this case acpi/video.c is the provider?
>
> That sounds good. I'm open to suggestions on interface.
>
> But is there anything better available now to scan the namespace in
> current released kernels for _DOD ?
2.6.23-rc5 has it...
>
> Alan.
>
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next prev parent reply other threads:[~2007-09-06 14:17 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-09-06 10:16 obtaining acpi details outside of drivers/acpi Alan Hourihane
2007-09-06 11:43 ` Len Brown
2007-09-06 11:47 ` Alan Hourihane
2007-09-06 13:22 ` Len Brown
2007-09-06 13:27 ` Alexey Starikovskiy
2007-09-06 13:53 ` Alan Hourihane
2007-09-06 13:57 ` Alan Hourihane
2007-09-06 14:17 ` Alexey Starikovskiy [this message]
2007-09-06 14:33 ` Alan Hourihane
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