From: Matthew Garrett <mjg@redhat.com>
To: Len Brown <lenb@kernel.org>
Cc: yakui_zhao <yakui.zhao@intel.com>,
Thomas Renninger <trenn@suse.de>,
"linux-acpi@vger.kernel.org" <linux-acpi@vger.kernel.org>,
"Zhang, Rui" <rui.zhang@intel.com>
Subject: Re: [PATCH]: ACPI: Skip the first two elements in the _BCL package
Date: Wed, 4 Feb 2009 06:08:20 +0000 [thread overview]
Message-ID: <20090204060820.GB28321@srcf.ucam.org> (raw)
In-Reply-To: <alpine.LFD.2.00.0902032319280.5607@localhost.localdomain>
On Tue, Feb 03, 2009 at 11:25:45PM -0500, Len Brown wrote:
> per my previous e-mail, i would recommend that if we export them
> to user-space, that we allow user-space to override them
> and have the kernel simply consume them. That way things
> would work normall even if user-space is ignorant.
I'm not sure how this would be useful. The kernel doesn't perform the
ac/dc brightness change - that's handled by either the firmware or
userspace (depending on _DOS bit 2). We can't provide new values to the
firmware.
--
Matthew Garrett | mjg59@srcf.ucam.org
next prev parent reply other threads:[~2009-02-04 6:08 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-02-02 3:33 [PATCH]: ACPI: Skip the first two elements in the _BCL package yakui_zhao
2009-02-03 3:39 ` Len Brown
2009-02-03 13:56 ` Thomas Renninger
2009-02-04 1:50 ` yakui_zhao
2009-02-04 4:25 ` Len Brown
2009-02-04 6:06 ` yakui_zhao
2009-02-04 6:08 ` Matthew Garrett [this message]
2009-02-04 4:09 ` Len Brown
2009-02-04 6:09 ` Matthew Garrett
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