On Tue, 27 Apr 2010, Bruno Prémont wrote:
> > > +#ifdef CONFIG_PM
> > > +static void picolcd_suspend_backlight(struct picolcd_data *data)
> > > +{
> > > + int bl_power = data->lcd_power;
> > > + if (!data->backlight)
> > > + return;
> > > +
> > > + data->backlight->props.power = FB_BLANK_POWERDOWN;
> > > + picolcd_set_brightness(data->backlight);
> > > + data->lcd_power = data->backlight->props.power = bl_power;
> > > +}
> > > +#else
> > > +#define picolcd_suspend_backlight(a)
> > > +#endif /* CONFIG_PM */
> >
> > Stylistic thing -- it would be nice if this was actually
> >
> > static inline void picolcd_suspend_backlight(struct picolcd_data *data)
> > {
> > return 0;
> > }
> >
> > But why do you need to have it defined in !CONFIG_PM situation anyway?
> > It's not used otherwise at all.
>
> Yeah, I could drop the #else branch (of #ifconfig CONFIG_PM).
Yup, please do so.
> Is gcc quiet about defined but unused static inline functions?
Yup, -Wunused-function doesn't warn about unused static inline function.
--
Jiri Kosina
SUSE Labs, Novell Inc.
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