From mboxrd@z Thu Jan  1 00:00:00 1970
From: Lars-Peter Clausen <lars@metafoo.de>
Subject: Re: [alsa-devel] [PATCH] ASoC: tlv320aic23: add support for SPI control
 mode
Date: Thu, 06 Mar 2014 09:33:57 +0100
Message-ID: <531832F5.4030000@metafoo.de>
References: <1394091862-13603-1-git-send-email-jcmvbkbc@gmail.com> <20140306080720.GI13126@sirena.org.uk> <CAMo8BfJit6Bgafi7Fwgwmtn36QZH6XsHucdPdeffjgJn0byDpw@mail.gmail.com>
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To: Max Filippov <jcmvbkbc@gmail.com>
Cc: Mark Brown <broonie@kernel.org>, Takashi Iwai <tiwai@suse.de>, alsa-devel@alsa-project.org, LKML <linux-kernel@vger.kernel.org>, Liam Girdwood <lgirdwood@gmail.com>
List-Id: alsa-devel@alsa-project.org

On 03/06/2014 09:26 AM, Max Filippov wrote:
> Hi Mark,
>
> On Thu, Mar 6, 2014 at 12:07 PM, Mark Brown <broonie@kernel.org> wrote:
>> On Thu, Mar 06, 2014 at 11:44:22AM +0400, Max Filippov wrote:
>>
>>> -     select SND_SOC_TLV320AIC23 if I2C
>>> +     select SND_SOC_TLV320AIC23 if SND_SOC_I2C_AND_SPI
>>
>> We're moving towards having drivers have separate bus drivers rather
>> than in one file - take a look at how drivers like ad193x handle this.
>
> Thanks for the pointer, but... ad193x has spi and i2c in single source
> in both linus and alsa-kernel trees. Confused.
>

It's in the ASoC tree: 
http://git.kernel.org/cgit/linux/kernel/git/broonie/sound.git/commit/sound/soc/codecs/?h=for-next&id=6c3d713e6d32706999689e379a9098afb4cd8a2c