SGTL5000 misc

[Erik Friesen]

[    0.000000] Linux version 3.10.53-gf3f6648-dirty (root at friesen-nas)
(gcc version 4.8.2 (GCC) ) #163 SMP PREEMPT Mon Feb 1 18:12:31 EST
2016

Its a bit unclear here, am I supposed to reply only to
linux-arm-kernel at list.infraread.org?

On Wed, Feb 3, 2016 at 9:23 AM, Fabio Estevam <festevam at gmail.com> wrote:
> On Wed, Feb 3, 2016 at 11:42 AM, Erik Friesen <friesendrywall at gmail.com> wrote:
>> First post on the list here..
>>
>> I have been working with an embeddedarm ts4900 and built a baseboard
>> that uses the sgtl5000.  I also have worked with the RiotBoard, which
>> uses the same chip, both using the i.mx6 arm.  I find that
>> occasionally the sgtl5000 is resetting, and there is no way to bring
>> it back online.  As near as I can tell, the i2c bus comes back alive,
>> for example alsamixer communicates fine, coms happen on the i2c bus
>> per scope.  However, its obvious the chip never got re initialized by
>> how it acts.
>>
>> I know the thing shouldn't reset, that is the primary problem, but I
>> still want some backup method.  Its probably due to ground bounce from
>> a non earth grounded setup.  It could be that using the external
>> regulator will help, we will see.
>>
>> Is there a suggestion on a way the sgtl5000.c could be extended to
>> support some sort of re init routine?
>>
>> I am using the embeddedarm repo as a base.
>
> Which kernel version do you use?