Re: Nokia N900 - audio TPA6130A2 problems

From: Sebastian Reichel
Date: Fri Mar 18 2016 - 11:04:14 EST


Hi,

On Fri, Mar 18, 2016 at 03:45:26PM +0200, Ivaylo Dimitrov wrote:
> On 18.03.2016 15:36, Sebastian Reichel wrote:
>
> >Have you tried the ideas from <20160317004917.GA6750@earth> (Date:
> >Thu, 17 Mar 2016 01:49:18 +0100)?
> >
>
> To the extend I understood them :)
>
> Regulator is V28_A, which is always-on, so it is enabled no matter what
> probe does. Anyway, I added a various delays after regulator_enable(), to no
> success.

Did you by chance also test adding a delay after setting the power
gpio? According to the datasheet:

Start-up time from shutdown: typical 5ms

> I didn't try building the driver as a module, instead I played with
> bind/unbind functionality - makes no difference.

Ok.

-- Sebastian

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