From 67850a892bf627e1c627bc8d0bcd84b90ecc9d7f Mon Sep 17 00:00:00 2001
From: Dimitris Papastamos <dp@opensource.wolfsonmicro.com>
Date: Tue, 22 Mar 2011 10:36:57 +0000
Subject: ASoC: Add control_type in snd_soc_codec

This is mainly used by the soc-cache code to easily determine the
currently used underlying serial bus.  Set SND_SOC_CUSTOM to 1 so we
can distinguish it if it is not initialized or set.

Signed-off-by: Dimitris Papastamos <dp@opensource.wolfsonmicro.com>
Acked-by: Liam Girdwood <lrg@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

diff --git a/include/sound/soc.h b/include/sound/soc.h
index 2f2a51f..4a11795 100644
--- a/include/sound/soc.h
+++ b/include/sound/soc.h
@@ -248,7 +248,7 @@ typedef int (*hw_write_t)(void *,const char* ,int);
 extern struct snd_ac97_bus_ops soc_ac97_ops;
 
 enum snd_soc_control_type {
-	SND_SOC_CUSTOM,
+	SND_SOC_CUSTOM = 1,
 	SND_SOC_I2C,
 	SND_SOC_SPI,
 };
@@ -539,6 +539,7 @@ struct snd_soc_codec {
 
 	/* codec IO */
 	void *control_data; /* codec control (i2c/3wire) data */
+	enum snd_soc_control_type control_type;
 	hw_write_t hw_write;
 	unsigned int (*hw_read)(struct snd_soc_codec *, unsigned int);
 	unsigned int (*read)(struct snd_soc_codec *, unsigned int);
-- 
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