linux-kernel - Re: [PATCH -next] soc: sgtl5000 uses regulator interfaces

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Message-ID: <AANLkTikivW3+V4QYh9Nt9FGXTefZiN9WbpAvGVeBJHNN@mail.gmail.com>
Date:	Sat, 5 Mar 2011 20:41:38 +0800
From:	Zeng Zhaoming <zengzm.kernel@...il.com>
To:	Mark Brown <broonie@...nsource.wolfsonmicro.com>
Cc:	Randy Dunlap <randy.dunlap@...cle.com>,
	Stephen Rothwell <sfr@...b.auug.org.au>,
	Zeng Zhaoming <zhaoming.zeng@...escale.com>,
	linux-next@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>,
	Liam Girdwood <lrg@...mlogic.co.uk>,
	alsa-devel@...a-project.org
Subject: Re: [PATCH -next] soc: sgtl5000 uses regulator interfaces

On Sat, Mar 5, 2011 at 7:29 PM, Mark Brown
<broonie@...nsource.wolfsonmicro.com> wrote:
> On Fri, Mar 04, 2011 at 05:33:57PM -0800, Randy Dunlap wrote:
>> From: Randy Dunlap <randy.dunlap@...cle.com>
>>
>> sgtl5000 uses regulator interfaces, so make selecting it depend
>> on REGULATOR.
>>
>> sgtl5000.c:(.text+0x4ae33): undefined reference to `regulator_unregister'
>> sgtl5000.c:(.text+0x4af41): undefined reference to `rdev_get_drvdata'
>> sgtl5000.c:(.text+0x4b191): undefined reference to `regulator_register'
>

hi， Thanks for the report.

> Since the regulator on the device is optional this isn't the best fix,
> the code should be updated to support building without regulator.

I will fix the code. If regulator not enabled, and the optional
regulator not provided externally,
a warning message will print out, and internal regulator will set
directly by write register.
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-- 
Best Regards
    Zeng Zhaoming
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