[ltp] Re: IBM HDAPS Someone interested?

Eric Piel linux-thinkpad@linux-thinkpad.org
Thu, 23 Jun 2005 12:06:44 +0200


06/23/2005 09:13 AM, Vojtech Pavlik wrote/a écrit:
> On Wed, Jun 22, 2005 at 06:50:59AM -0600, Alejandro Bonilla wrote:
> 
>>/proc/acpi/ibm/ecdump is really not providing any information about this
>>sensor. yesterday, I almost broke the laptop to see if it would generate
>>anything, but it really only outputs ACPI events...
>>
>>I shaked it, moved it 90deg and still no result, threw the lappy from like
>>40cm to the bed and nothing was really generated. Unless it is too fast like
>>to generate it in the watch or to be seen by human eye. I dunno.
>>
>>It looks like /ecdump won't do it.
> 
>  
> But that doesn't mean it's not connected to the embedded controller. It
> just means the embedded controller doesn't generate any inertial events
> by itself - it may have to be polled with some specific command.
> 

Well, in the changelog of the embedded controller firmware 
(ftp://ftp.software.ibm.com/pc/pccbbs/mobiles/1uhj07us.txt) there is:
- (New) Support for IBM Hard Disk Active Protection System.

I would conclude that the embedded controller is involved with the HDAPS!

Just my two cents.

Eric