[argyllcms] Re: Lenovo ThinkPad W530 Colorimeter

  • From: William Cohen <giantklein@xxxxxxxxx>
  • To: "argyllcms@xxxxxxxxxxxxx" <argyllcms@xxxxxxxxxxxxx>
  • Date: Wed, 22 Aug 2012 17:26:06 -0700 (PDT)

I found /sys/module/i915/parameters/panel_ignore_lid . I tried setting it to 1 
and then activating the switch. It didn't seem to make a difference.  The 
screen still blanked.  


> From: Andrew Lutomirski <luto@xxxxxxx>
>To: argyllcms@xxxxxxxxxxxxx 
>Sent: Wednesday, August 22, 2012 1:14 PM
>Subject: [argyllcms] Re: Lenovo ThinkPad W530 Colorimeter
>On Tue, Aug 21, 2012 at 9:12 PM, William Cohen <giantklein@xxxxxxxxx> wrote:
>> I don't entirely understand how to read the disassembled output in DSDT.dsl,
>> but The LID device seems to have some other checks in there before returning
>> 0x01 (open) or 0x00 (closed):
>That appears to be identical to my X220, which doesn't have a colorimeter.
>Try i915.intel_panel_ignore_lid=1.  If that fails, try asking
>intel-gfx for help.  If it succeeds, try asking the intel-gfx or the
>dri list for how to support this use case for real.  (That assumes
>that your Optimus configuration is actually using the i915 driver to
>control the panel.)

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