Re: Accelometer data not changes

Re: Accelometer data not changes

[Arek Burdach]

Hi

On 22.05.2017 08:47, Jarkko Nikula wrote:
> Hi
>
> On 05/21/2017 07:06 PM, Arek Burdach wrote:
>> Hi Lorenzo,
>>
>> I wanted to check if your newest fix
>> 9d6408433019bfae15e2d0d5f4498c4ff70b86c0 resolved my problem but it
>> looks like it breaks i2c devices on yoga 910 at all.
>>
>> One thing that I see in dmesg is:
>> [    5.443582] i2c_designware i2c_designware.1: controller timed out
>> [    5.443601] i2c_hid i2c-SYNA2B31:00: hid_descr_cmd failed
>> [    6.595650] i2c_designware i2c_designware.2: controller timed out
>> [    6.595673] i2c_hid i2c-ITE8186:00: hid_descr_cmd failed
>>
>> More details you can see in mentioned isssue.
>> BTW maybe you have an idea what is the root of my problem. I've attached
>> i2c_hid logs for previous version.
>>
> Commit 9d6408433019 ("i2c: designware: don't infer timings described 
> by ACPI from clock rate") had issue with uninitialized variables that 
> show up when ACPI platform doesn't provide timing parameters for the 
> I2C but fortunately that was caught quickly.
>
> Could you try does a patch from Jan Kiszka fix the issue you are seeing?
>
> https://lkml.org/lkml/2017/5/22/24
I've tried and it looks like it removed this regression but still all of 
this changes didn't helped for my problem with missing changes from 
accelometer.

Maybe you can take a look at isc_hid log after all of those changes: 
https://bugzilla.kernel.org/attachment.cgi?id=256651 and tell me if you 
see something worrying?

BTW sorry for invalid mailing list - changed

Cheers,
Arek