[ALSA] ASoC TLV320AIC3X codec driver

This patch adds ALSA SoC support for TI TLV320AIC3X audio codecs.
The features that are supported:
     o Capture/Playback/Bypass.
     o 16/20/24/32 bit audio.
     o 8k - 96k sample rates.
     o codec master only mode
     o DAPM.

Signed-off-by: Vladimir Barinov <vbarinov@ru.mvista.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
diff --git a/sound/soc/codecs/Kconfig b/sound/soc/codecs/Kconfig
index 7824880..898a7d3 100644
--- a/sound/soc/codecs/Kconfig
+++ b/sound/soc/codecs/Kconfig
@@ -37,3 +37,6 @@
 	bool
 	depends on SND_SOC_CS4270
 
+config SND_SOC_TLV320AIC3X
+	tristate
+	depends on SND_SOC && I2C