Re: [RFC PATCH 3/7] dt-bindings: pwm: add normal PWM polarity flag

From: Uwe Kleine-König
Date: Tue Mar 17 2020 - 17:36:37 EST


On Tue, Mar 17, 2020 at 02:32:27PM +0200, Oleksandr Suvorov wrote:
> PWM can have a normal polarity and a reverted one. The reverted polarity
> value is defined.
> Define the PWM_POLARITY_NORMAL to be used further.
>
> Signed-off-by: Oleksandr Suvorov <oleksandr.suvorov@xxxxxxxxxxx>
> ---
>
> include/dt-bindings/pwm/pwm.h | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/include/dt-bindings/pwm/pwm.h b/include/dt-bindings/pwm/pwm.h
> index ab9a077e3c7d..6b58caa6385e 100644
> --- a/include/dt-bindings/pwm/pwm.h
> +++ b/include/dt-bindings/pwm/pwm.h
> @@ -10,6 +10,7 @@
> #ifndef _DT_BINDINGS_PWM_PWM_H
> #define _DT_BINDINGS_PWM_PWM_H
>
> +#define PWM_POLARITY_NORMAL 0
> #define PWM_POLARITY_INVERTED (1 << 0)

Maybe define PWM_POLARITY_NORMAL as (0 << 0) to make it more obvious
that it is the inverse of PWM_POLARITY_INVERTED?

But even when kept as is I like hafing PWM_POLARITY_NORMAL in the
binding definitions.

Acked-by: Uwe Kleine-König <u.kleine-koenig@xxxxxxxxxxxxxx>

Best regards
Uwe

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