From mboxrd@z Thu Jan  1 00:00:00 1970
From: Mark Brown <broonie@opensource.wolfsonmicro.com>
Subject: Re: question on dapm_reg_event()
Date: Wed, 6 Jan 2010 14:53:22 +0000
Message-ID: <20100106145321.GC5783@sirena.org.uk>
References: <771cded01001041810n490145ednefccea066eaf271a@mail.gmail.com>
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To: Haojian Zhuang <haojian.zhuang@gmail.com>
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On Mon, Jan 04, 2010 at 09:10:27PM -0500, Haojian Zhuang wrote:

> I just have a question on dapm code. In dapm_reg_event(), -(w->reg +
> 1) is input parameter of snd_soc_update_bits(). Why we need to use
> negative value as input parameter at here? Why do we not use w->reg at
> here?

Hrm, no, that's not at all clear to me either.  CCing Jarkko who
contributed the register write control originally.