Re: Nokia N900 - audio TPA6130A2 problems

From: Mark Brown
Date: Mon Mar 21 2016 - 09:45:43 EST

On Mon, Mar 21, 2016 at 03:39:15PM +0200, Ivaylo Dimitrov wrote:
> On 21.03.2016 13:45, Mark Brown wrote:

> >No, if the voltage is variable we can't tell what the current
> >constraints are without something telling us so we just don't vary the
> >voltage until we're told to do this. If we immediately lower the
> >voltage to the minimum supported voltage that's going to break things.

> There are constraints set by the board DTS. Isn't it reasonable the
> framework to set the voltage to minimum voltage from the dts if the current
> set one is bellow it?

Yes, if it's out of bounds for the constraints we should bring it
up/down to the minimum/maximum (when copying people into a thread it's a
good idea to explain what the problem you are trying to solve is,
especially if you're throwing around bodges).

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