Re: How to set fops in "struct platform_pwm_backlight_data"?

Thierry Reding
2013-10-22T12:51:42Z

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On Tue, Oct 22, 2013 at 04:55:09PM +0800, Mark Zhang wrote:
> On 10/22/2013 03:24 PM, Thierry Reding wrote:
> > On Fri, Oct 18, 2013 at 12:48:12PM +0800, Mark Zhang wrote:
> [...]
> >>>
> >>
> >> Okay, I just want to set the "notify" function pointer in "struct
> >> platform_pwm_backlight_data", because I want to tune the brightness
> >> value before the pwm-bl sets the brightness to hardware. I don't know
> >> how to do that, unless we define the platform data explicitly.
> >
> > Okay, my question should have been what you need the functions for and
> > why you think you need them.
> >
>
> If I understanding you correctly, I suppose I've said that: "because I
> want to tune the brightness value before the pwm-bl sets the brightness
> to hardware".

Why do you want to tune the brightness value? What are you trying to
achieve?

Thierry

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