linux-kernel - Re: [linux-pm] Suspend to RAM, Sony Vaio PCG-SRX51P, lcd stays off

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Date:	Thu, 15 Feb 2007 11:51:56 +0100
From:	Jan Dittmer <jdi@....org>
To:	Pavel Machek <pavel@....cz>
CC:	stelian@...ies.net, linux-acpi@...r.kernel.org, linux-pm@...l.org,
	adaplas@....net, dawes@...ee86.org,
	Linux kernel <linux-kernel@...r.kernel.org>
Subject: Re: [linux-pm] Suspend to RAM, Sony Vaio PCG-SRX51P, lcd stays off

Pavel Machek wrote:
> Hi!
> 
>>>> I own an older Sony Vaio SRX51P, European Model, P3 based. s2ram
>>>> identifies it with
>>>>
>>>>     sys_vendor   = "Sony Corporation    "
>>>>     sys_product  = "PCG-SRX51P(DE)      "
>>>>     sys_version  = "01                  "
>>>>     bios_version = "R0232U2"
>>>>
>>>> Suspend to RAM by using "s2ram -v -m -f" actually works and the
>>>> laptop comes back to life, is accessible by network, etc. kudos
>>>> so far.
>>>> The only but serious problem is, that the lcd stays off after
>>>> resume. No matter what kind of options for s2ram I try, if I disable
>>> Is the _lcd_ off or the _backlight_ off? Use bright flashlight to
>>> tell.
>> The lcd. If you press the lid button you get the same effect (but you
>> cannot use it to turn the lcd on again :-(( ). But I'll doublecheck with
>> a flashlight nevertheless.
> 
> If lid button breaks the lcd, even in grub boot loader... then I'd
> call your machine broken hardware, complain to the manufacturer. (Are
> you at latest BIOS?)

No, you misunderstood me. If I press the lid button, the lcd goes off
and when I release it, it goes on again. But after a suspend cycle
even that does not revive the lcd.

Jan
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