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authorTakashi Iwai <tiwai@suse.de>2009-04-06 05:47:20 +0400
committerTakashi Iwai <tiwai@suse.de>2009-04-06 05:47:20 +0400
commitb114701c0e8d580a05643c874d87e2501ab729cb (patch)
treea4e69cc865b9b76b6737d0d8b8dc81fc40c1e88f /sound/soc/soc-core.c
parent0221c81b1b8eb0cbb6b30a0ced52ead32d2b4e4c (diff)
parent103f211d0be2bed75b5739de62a10415ef0bbc25 (diff)
downloadlinux-b114701c0e8d580a05643c874d87e2501ab729cb.tar.xz
Merge branch 'topic/asoc' into for-linus
Diffstat (limited to 'sound/soc/soc-core.c')
-rw-r--r--sound/soc/soc-core.c20
1 files changed, 15 insertions, 5 deletions
diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index 6e710f705a74..99712f652d0d 100644
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -98,7 +98,7 @@ static int soc_ac97_dev_register(struct snd_soc_codec *codec)
int err;
codec->ac97->dev.bus = &ac97_bus_type;
- codec->ac97->dev.parent = NULL;
+ codec->ac97->dev.parent = codec->card->dev;
codec->ac97->dev.release = soc_ac97_device_release;
dev_set_name(&codec->ac97->dev, "%d-%d:%s",
@@ -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;
}