linux-kernel - Re: [PATCH v3 2/2] usb: typec: tps6598x: Export some power supply properties

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Date:   Tue, 1 Dec 2020 14:00:12 +0100
From:   Guido Günther <agx@...xcpu.org>
To:     Andy Shevchenko <andy.shevchenko@...il.com>
Cc:     Heikki Krogerus <heikki.krogerus@...ux.intel.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        USB <linux-usb@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v3 2/2] usb: typec: tps6598x: Export some power supply
 properties

Hi,
On Mon, Nov 30, 2020 at 08:35:26PM +0200, Andy Shevchenko wrote:
> On Fri, Nov 27, 2020 at 2:57 PM Guido Günther <agx@...xcpu.org> wrote:
> >
> > This allows downstream supplies and userspace to detect
> > whether external power is supplied.
> 
> > +       if (!(pwr_status & TPS_POWER_STATUS_CONNECTION) ||
> > +           !(pwr_status & TPS_POWER_STATUS_SOURCESINK)) {
> > +               val->intval = 0;
> > +       } else {
> > +               val->intval = 1;
> > +       }
> 
> Can we please use positive conditionals (which usually are easier to
> read)?

Make sense. Fixed in v4.
 -- Guido

> 
>        if ((pwr_status & TPS_POWER_STATUS_CONNECTION) &&
>            (pwr_status & TPS_POWER_STATUS_SOURCESINK)) {
>                val->intval = 1;
>        } else {
>                val->intval = 0;
>        }
> 
> -- 
> With Best Regards,
> Andy Shevchenko
>