1 files changed, 14 insertions, 4 deletions

diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index 6e710f705a74..6c62d4a54cdf 100644
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -767,11 +767,21 @@ static int soc_resume(struct platform_device *pdev)
 {
         struct snd_soc_device *socdev = platform_get_drvdata(pdev);
         struct snd_soc_card *card = socdev->card;
+        struct snd_soc_dai *cpu_dai = card->dai_link[0].cpu_dai;
 
-        dev_dbg(socdev->dev, "scheduling resume work\n");
-
-        if (!schedule_work(&card->deferred_resume_work))
-                dev_err(socdev->dev, "resume work item may be lost\n");
+        /* AC97 devices might have other drivers hanging off them so
+         * need to resume immediately.  Other drivers don't have that
+         * problem and may take a substantial amount of time to resume
+         * due to I/O costs and anti-pop so handle them out of line.
+         */
+        if (cpu_dai->ac97_control) {
+                dev_dbg(socdev->dev, "Resuming AC97 immediately\n");
+                soc_resume_deferred(&card->deferred_resume_work);
+        } else {
+                dev_dbg(socdev->dev, "Scheduling resume work\n");
+                if (!schedule_work(&card->deferred_resume_work))
+                        dev_err(socdev->dev, "resume work item may be lost\n");
+        }
 
         return 0;
 }