Re: [RFC PATCH 4/7] dt-bindings: pwm: add description of PWM polarity

From: Oleksandr Suvorov
Date: Wed Mar 18 2020 - 07:37:58 EST


On Wed, Mar 18, 2020 at 1:02 AM Laurent Pinchart
<laurent.pinchart@xxxxxxxxxxxxxxxx> wrote:
>
> Hi Oleksandr,
>
> Thank you for the patch.
>
> On Tue, Mar 17, 2020 at 02:32:28PM +0200, Oleksandr Suvorov wrote:
> > Move the description of the PWM signal polarity from
> > <linux/pwm.h>, prepare for removing the polarity
> > definition from <linux/pwm.h>.
> >
> > Signed-off-by: Oleksandr Suvorov <oleksandr.suvorov@xxxxxxxxxxx>
> > ---
> >
> > include/dt-bindings/pwm/pwm.h | 9 +++++++++
> > 1 file changed, 9 insertions(+)
> >
> > diff --git a/include/dt-bindings/pwm/pwm.h b/include/dt-bindings/pwm/pwm.h
> > index 6b58caa6385e..c07da2088a61 100644
> > --- a/include/dt-bindings/pwm/pwm.h
> > +++ b/include/dt-bindings/pwm/pwm.h
> > @@ -10,7 +10,16 @@
> > #ifndef _DT_BINDINGS_PWM_PWM_H
> > #define _DT_BINDINGS_PWM_PWM_H
> >
> > +/**
> > + * a high signal for the duration of the duty-cycle, followed by a low signal
> > + * for the remainder of the pulse period.
> > + */
>
> Last time I checked, kernedoc didn't support documenting macros (enums
> are supported).

That's why I dropped the kerneldoc tags leaving the descriptions only.

> > #define PWM_POLARITY_NORMAL 0
> > +
> > +/**
> > + * a low signal for the duration of the duty-cycle, followed by a high signal
> > + * for the remainder of the pulse period.
> > + */
> > #define PWM_POLARITY_INVERTED (1 << 0)
> >
> > #endif
>
> --
> Regards,
>
> Laurent Pinchart

--
Best regards
Oleksandr Suvorov

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