From: Mark Brown <broonie@opensource.wolfsonmicro.com>
To: Haojian Zhuang <haojian.zhuang@gmail.com>
Cc: alsa-devel@alsa-project.org
Subject: Re: question on dapm_reg_event()
Date: Wed, 6 Jan 2010 14:53:22 +0000 [thread overview]
Message-ID: <20100106145321.GC5783@sirena.org.uk> (raw)
In-Reply-To: <771cded01001041810n490145ednefccea066eaf271a@mail.gmail.com>
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.
next prev parent reply other threads:[~2010-01-06 14:53 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-01-05 2:10 question on dapm_reg_event() Haojian Zhuang
2010-01-06 14:53 ` Mark Brown [this message]
2010-01-06 15:48 ` Jarkko Nikula
2010-01-06 15:59 ` Mark Brown
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