linux-kernel - Re: [PATCH v2 1/2] regulator: add support for regulators on the ab8500 MFD

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Date:	Wed, 27 Oct 2010 14:25:44 -0200
From:	Thiago Farina <tfransosi@...il.com>
To:	Sundar Iyer <sundar.iyer@...ricsson.com>
Cc:	lrg@...mlogic.co.uk, broonie@...nsource.wolfsonmicro.com,
	sameo@...ux.intel.com, linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	STEricsson_nomadik_linux@...t.st.com,
	Linus Walleij <linus.walleij@...ricsson.com>,
	Bengt JONSSON <bengt.g.jonsson@...ricsson.com>
Subject: Re: [PATCH v2 1/2] regulator: add support for regulators on the
 ab8500 MFD

On Tue, Jul 13, 2010 at 12:09 PM, Sundar Iyer
<sundar.iyer@...ricsson.com> wrote:
> +static int ab8500_regulator_is_enabled(struct regulator_dev *rdev)
> +{
> +       int regulator_id, ret;
> +       struct ab8500_regulator_info *info = rdev_get_drvdata(rdev);
> +
> +       regulator_id = rdev_get_id(rdev);
> +       if (regulator_id >= AB8500_NUM_REGULATORS)
> +               return -EINVAL;
> +
> +       ret = ab8500_read(info->ab8500, info->update_reg);
> +       if (ret < 0) {
> +               dev_dbg(rdev_get_dev(rdev),
> +                       "couldnt read 0x%x register\n", info->update_reg);
> +               return ret;
> +       }
> +
> +       if (ret & info->mask)
> +               return true;
> +       else
> +               return false;
> +}

Shouldn't be this returning 1 instead of true and 0 instead false
(since the return type is int not bool)?

Maybe like this?
return (ret & info->mask) ? 1: 0;
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