Re: [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.