linux-kernel - Re: [PATCH] lis3lv02d: add axes knowledge of HP Pavilion dv5 models

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20090210151718.4a8f3421.akpm@linux-foundation.org>
Date:	Tue, 10 Feb 2009 15:17:18 -0800
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Giuseppe Bilotta <giuseppe.bilotta@...il.com>
Cc:	pavel@...e.cz, eric.piel@...mplin-utc.net,
	linux-kernel@...r.kernel.org, palatis@...il.com
Subject: Re: [PATCH] lis3lv02d: add axes knowledge of HP Pavilion dv5 models

On Tue, 10 Feb 2009 23:48:14 +0100
Giuseppe Bilotta <giuseppe.bilotta@...il.com> wrote:

> On Tue, Feb 10, 2009 at 10:39 PM, Giuseppe Bilotta
> <giuseppe.bilotta@...il.com> wrote:
> > On Tue, Feb 10, 2009 at 11:10 AM, Pavel Machek <pavel@...e.cz> wrote:
> >>
> >> Yeah, that patch. Not sure what to do next... you could grab lis3
> >> manual and see if you can setup chip by hand to get better results...
> >
> > As Eric pointed out, it looks definitely like an endianness problem,
> > although there are a few strange things which are happening at the
> > same time. Is the lis3 manual available online somewhere, or can I
> > request it to the mfgr?
> 
> 'k, found it on the STMicroelectronics website. Reading the doc about
> LIS3LV02DL I see that WHO_AM_I should return 3Ah, but my sensor
> returns 3Bh. I'll see if I find the correct datasheet for this one
> instead, it might have info about the differences.
> 
> One thing that I noticed is that (modulo axis inversion) I'm able to
> use the sensor correctly if I set the thing to only use the high byte,
> totally discarding the lower byte:
> 	return *((s8*)(&hi));
> Maybe this sensor needs a different setup to return 12 instead of 8
> bits of information.
> 

I've lost the plot here.  I still intend to merge
lis3lv02d-add-axes-knowledge-of-hp-pavilion-dv5-models.patch into
2.6.29.  Someone please stop me if that is wrong.

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/