Re: [PATCH V1 4/5] backlight: qcom-wled: Add support for OVP interrupt handling

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On Tue 08 May 05:26 PDT 2018, kgunda@xxxxxxxxxxxxxx wrote:

> On 2018-05-07 22:51, Bjorn Andersson wrote:
> > On Thu 03 May 02:57 PDT 2018, Kiran Gunda wrote:
[..]
> > > @@ -220,7 +255,12 @@ static int wled_module_enable(struct wled
> > > *wled, int val)
> > >  				WLED3_CTRL_REG_MOD_EN,
> > >  				WLED3_CTRL_REG_MOD_EN_MASK,
> > >  				WLED3_CTRL_REG_MOD_EN_MASK);
> > > -	return rc;
> > > +	if (rc < 0)
> > > +		return rc;
> > > +
> > > +	schedule_delayed_work(&wled->ovp_work, WLED_SOFT_START_DLY_US);
> > 
> > Do you really want to delay the work on disable?
> > 
> > Wouldn't it be better to use a delay worker for the enablement and in
> > the disable case you cancel the work and just disable_irq() directly
> > here.
> > 
> Sure. Will do it in the next series.
> > But more importantly, if this is only related to auto detection, do you
> > really want to enable/disable the ovp_irq after you have detected the
> > string configuration?
> > 
> Ok. This is used for the genuine OVP detection and for the auto detection as
> well.

What is the expected outcome of detecting an OVP condition, outside auto
detection?

Regards,
Bjorn
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