From 811d500d14db87326311d20868d3d593b6296a28 Mon Sep 17 00:00:00 2001
From: Lars-Peter Clausen <lars@metafoo.de>
Date: Wed, 4 Nov 2009 11:13:15 +0100
Subject: neo1973_wm8753: Sanity check: Don't try to write registers if amp i2c
 device is not registered.

---
 sound/soc/s3c24xx/neo1973_wm8753.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/sound/soc/s3c24xx/neo1973_wm8753.c b/sound/soc/s3c24xx/neo1973_wm8753.c
index 7f28af2058e..262db4651b4 100644
--- a/sound/soc/s3c24xx/neo1973_wm8753.c
+++ b/sound/soc/s3c24xx/neo1973_wm8753.c
@@ -50,6 +50,9 @@ static struct lm4857 {
 
 static void lm4857_write_regs(void)
 {
+    if (!lm4857.i2c)
+        return;
+
 	if (i2c_master_send(lm4857.i2c, lm4857.regs, 4) != 4)
 		printk(KERN_ERR "lm4857: i2c write failed\n");
 }
-- 
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