linux-kernel - Re: [Patch V2 0/9] I2C ACPI operation region handler support

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Message-ID: <10532278.SlmyFe4oRp@devpool02>
Date:	Fri, 16 May 2014 10:43:34 +0200
From:	Rolf Eike Beer <eb@...ix.com>
To:	Lan Tianyu <tianyu.lan@...el.com>
Cc:	wsa@...-dreams.de, rjw@...ysocki.net,
	mika.westerberg@...ux.intel.com, awilliam@...hat.com,
	lenb@...nel.org, linux-i2c@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-acpi@...r.kernel.org
Subject: Re: [Patch V2 0/9] I2C ACPI operation region handler support

Am Donnerstag, 15. Mai 2014, 22:49:37 schrieb Lan Tianyu:
> On 05/15/2014 03:50 PM, Rolf Eike Beer wrote:
> > Lan Tianyu wrote:
> >> On 05/13/2014 09:09 PM, Rolf Eike Beer wrote:
> >>> Am Montag, 28. April 2014, 22:27:39 schrieb Lan Tianyu:
> >>>> ACPI 5.0 spec(5.5.2.4.5) defines GenericSerialBus(i2c, spi, uart)
> >>>> operation
> >>>> region. It allows ACPI aml code able to access such kind of devices to
> >>>> implement some ACPI standard method.
> >>>> 
> >>>> On the Asus T100TA, Bios use GenericSerialBus operation region to
> >>>> access
> >>>> i2c device to get battery info. So battery function depends on the I2C
> >>>> operation region support. Here is the bug link.
> >>>> https://bugzilla.kernel.org/show_bug.cgi?id=69011
> >>> 
> >>> Hi all,
> >>> 
> >>> I have tested this series and got some errors, but no additional
> > 
> > functionality:
> >> Hi Rolf:
> >> 	Thanks for test. Could you attach the output of dmesg and acpidump?
> >> 
> >> Which machine you are testing on?
> > 
> > Hi,
> > 
> > this is an Aava Inari 8 tablet (pre-release hardware). Please find the
> > DSDT
> > and the dmesg.log attached.
> > 
> > In case of any further questions don't hesitate to ask, I'll try to be
> > more
> > responsible.
> 
> Hi Eike:
> 	Could you apply the patch in the attachment and attach the output of
> 	dmesg?

Sure, here it is.

Regards,

Eike
-- 
Rolf Eike Beer, emlix GmbH, http://www.emlix.com
Fon +49 551 30664-0, Fax +49 551 30664-11
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