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

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Date:	Thu, 15 May 2014 22:49:37 +0800
From:	Lan Tianyu <tianyu.lan@...el.com>
To:	Rolf Eike Beer <eb@...ix.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

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?
					


> Regards,
>
> Eike
>


View attachment "debug.patch" of type "text/x-patch" (500 bytes)