Re: [alsa-devel] [PATCH 6/9] ASoC: ipq806x: Add machine driver for IPQ806X SOC

On Wed, Nov 19, 2014 at 10:52:46AM -0800, Kenneth Westfield wrote:

+static struct snd_soc_dai_link ipq_snd_dai[] = {

• /* Front end DAI Links */
• {

• .name		= "IPQ806x Media1",
  

• .stream_name	= "MultiMedia1",
  

• .cpu_dai_name	= "lpass-cpu-dai",
  

• .platform_name	= "lpass-pcm-mi2s",
  

• .codec_dai_name	= "snd-soc-dummy-dai",
  

• .codec_name	= "snd-soc-dummy",
  

• },

+};

OK, so the CODEC here is actually a dumb DAC with a GPIO enable? You should write a driver for this CODEC that imposes the constraints the device has and manages the GPIO, then it looks like you should be able to use simple-card.