1 files changed, 4 insertions, 1 deletions

diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index 55fdb4abb179..ec3f8bb4b51d 100644
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -1385,7 +1385,10 @@ int snd_soc_init_card(struct snd_soc_device *socdev)
 
         mutex_lock(&codec->mutex);
 #ifdef CONFIG_SND_SOC_AC97_BUS
-        if (ac97) {
+        /* Only instantiate AC97 if not already done by the adaptor
+         * for the generic AC97 subsystem.
+         */
+        if (ac97 && strcmp(codec->name, "AC97") != 0) {
                 ret = soc_ac97_dev_register(codec);
                 if (ret < 0) {
                         printk(KERN_ERR "asoc: AC97 device register failed\n");