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From: broonie@opensource.wolfsonmicro.com (Mark Brown)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] regulator: twl6030: add support for vdd1, vdd2 and vdd3 regulators
Date: Fri, 24 Feb 2012 14:01:10 +0000	[thread overview]
Message-ID: <20120224140109.GG5450@opensource.wolfsonmicro.com> (raw)
In-Reply-To: <1330091765.4102.547.camel@sokoban>

On Fri, Feb 24, 2012 at 03:56:05PM +0200, Tero Kristo wrote:

> So, do you want me to also change the num_voltages value for the
> regulator from zero to be the same as max_uV, as we have this check
> within regulator/core:

>        if (!ops->list_voltage || selector >= rdev->desc->n_voltages)
>                 return -EINVAL;

> This will also potentially make some code to iterate over regulator
> voltages for ~1.5M times. I still don't think adding list_voltage for
> the SMPS regulators makes any sense, unless either the API for
> regulator_list_voltage is changed, or we change the control for these
> regulators completely from set_voltage() based to set_voltage_sel()
> based implementation.

Well, the important thing here is to fill in something useful for the
returned selector rather than just leaving it undefined.  Providing a
list_voltage() would be nice and make things more robust.
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  reply	other threads:[~2012-02-24 14:01 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-02-23 11:05 [PATCH] regulator: twl6030: add support for vdd1, vdd2 and vdd3 regulators Tero Kristo
2012-02-23 15:34 ` Mark Brown
2012-02-24  9:38   ` Tero Kristo
2012-02-24 11:49     ` Mark Brown
2012-02-24 13:16       ` Tero Kristo
2012-02-24 13:24         ` Mark Brown
2012-02-24 13:56           ` Tero Kristo
2012-02-24 14:01             ` Mark Brown [this message]
2012-02-24 14:25               ` Tero Kristo
2012-02-24 14:34                 ` Mark Brown
2012-02-24 14:42                   ` Tero Kristo
2012-02-24 14:50                     ` Mark Brown
2012-02-24 15:04                       ` Tero Kristo

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