linux-kernel - Re: [PATCH] hdaps add support for various IBM thinkpads R61/T61/T61P

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Message-ID: <20080613124543.GK30713@42.dk>
Date:	Fri, 13 Jun 2008 14:45:43 +0200
From:	"Klaus S. Madsen" <ubuntu@...rnemadsen.org>
To:	maximilian attems <max@...o.at>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Jean Delvare <khali@...ux-fr.org>,
	linux-kernel@...r.kernel.org, Chuck Short <zulcss@...ntu.com>,
	Tim Gardner <tim.gardner@...onical.com>
Subject: Re: [PATCH] hdaps add support for various IBM thinkpads R61/T61/T61P

On Fri, Jun 13, 2008 at 14:27:51 +0200, maximilian attems wrote:
> On Fri, Jun 13, 2008 at 01:40:02PM +0200, Klaus S. Madsen wrote:
> > On Fri, Jun 13, 2008 at 13:26:47 +0200, maximilian attems wrote:
> > > diff --git a/drivers/hwmon/hdaps.c b/drivers/hwmon/hdaps.c
> > > index 26df06f..e07c712 100644
> > > --- a/drivers/hwmon/hdaps.c
> > > +++ b/drivers/hwmon/hdaps.c
> > > @@ -515,6 +515,7 @@ static struct dmi_system_id __initdata hdaps_whitelist[] = {
> > >  	HDAPS_DMI_MATCH_NORMAL("IBM", "ThinkPad R50"),
> > >  	HDAPS_DMI_MATCH_NORMAL("IBM", "ThinkPad R51"),
> > >  	HDAPS_DMI_MATCH_NORMAL("IBM", "ThinkPad R52"),
> > > +	HDAPS_DMI_MATCH_NORMAL("IBM", "ThinkPad R61"),
> > >  	HDAPS_DMI_MATCH_INVERT("LENOVO", "ThinkPad R61i"),
> > >  	HDAPS_DMI_MATCH_INVERT("IBM", "ThinkPad T41p"),
> > >  	HDAPS_DMI_MATCH_NORMAL("IBM", "ThinkPad T41"),
> > > @@ -523,6 +524,8 @@ static struct dmi_system_id __initdata hdaps_whitelist[] = {
> > >  	HDAPS_DMI_MATCH_NORMAL("IBM", "ThinkPad T43"),
> > >  	HDAPS_DMI_MATCH_INVERT("LENOVO", "ThinkPad T60"),
> > >  	HDAPS_DMI_MATCH_INVERT("LENOVO", "ThinkPad T61"),
> > > +	HDAPS_DMI_MATCH_NORMAL("IBM", "ThinkPad T61"),
> > > +	HDAPS_DMI_MATCH_NORMAL("IBM", "ThinkPad T61P"),
> > I would suspect that this part of the patch is unnecessary. It would be
> > strange if there are any T61's where the manufacturer is IBM, instead of
> > LENOVO, since the T60 is older and has the manufacturer listed as
> > LENOVO, and no entry exists for IBM.
> > 
> > But according to the comment at the top of the struct, the second line
> > (the T61P part) is unnecessary, as a T61p already would be matched by
> > the T61 line. 
> 
> according to hardy git there is no bug reference, but the T61p got added
> before the T61 both by chuck. could you enlighten us please on the T61
> IBM match need? 
I believe that this patch is a response to
https://bugs.launchpad.net/ubuntu/+source/linux-source-2.6.22/+bug/133636

But as I stated in that bug description, the fix did not work for me.
Also both R61, T60, T61 and T61p owners responded that their
dmi-manufacturer was listed as LENOVO. So I'm quite dubious if these
entries will match any machines at all?

-- 
Kind regards,
	Klaus S. Madsen
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