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authorLars-Peter Clausen <lars@metafoo.de>2009-11-04 11:13:15 +0100
committerLars-Peter Clausen <lars@metafoo.de>2009-12-06 09:22:36 +0100
commit9489a6388658bb95634ad46a5d5647128b32b3f2 (patch)
treee76d971f194dca20f89899331d2214ee04ed2674 /sound/soc
parent7966967cbec5492680dd4ecd568678bd820a7963 (diff)
neo1973_wm8753: Sanity check: Don't try to write registers if amp i2c device is
not registered.
Diffstat (limited to 'sound/soc')
-rw-r--r--sound/soc/s3c24xx/neo1973_wm8753.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/sound/soc/s3c24xx/neo1973_wm8753.c b/sound/soc/s3c24xx/neo1973_wm8753.c
index c02666db804..5cc1ef2c8fe 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");
}