Re: [PATCH v6 0/4] Runtime Interpreted Power Sequences

From: Mark Brown
Date: Thu Sep 13 2012 - 03:19:40 EST


On Thu, Sep 13, 2012 at 03:42:11PM +0900, Alex Courbot wrote:
> On Thursday 13 September 2012 14:25:53 Mark Brown wrote:

> > It would be sensible to make sure that the framework is done in such a
> > way that drivers can use it - there will be drivers (perhaps not display
> > ones) that have a known power sequence and which could benefit from the
> > ability to use library code to implement it based on the user simply
> > supplying named resources.

> Not sure I understand what you mean, but things should be working this way
> already - regulators and PWMs are acquired by name using the standard
> regulator_get() and pwm_get() functions. GPIOs do not, AFAIK, have a way to be
> referenced by name so their number is used instead.

Right, but the sequencing for enabling them is currently open coded in
each driver.
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