Revert "ALSA: hda - Set codec to D3 forcibly even if not used"

[firefly-linux-kernel-4.4.55.git] / sound / pci / hda / hda_intel.c

diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
index c19e71a94e1bd5a792ff100cba817134bae04b12..6e958bf941915f3c2b8cb744e12a74a47896cfdf 100644 (file)
--- a/sound/pci/hda/hda_intel.c
+++ b/sound/pci/hda/hda_intel.c
@@ -2351,6 +2351,17 @@ static void azx_power_notify(struct hda_bus *bus)
  * power management
  */
 
+static int snd_hda_codecs_inuse(struct hda_bus *bus)
+{
+       struct hda_codec *codec;
+
+       list_for_each_entry(codec, &bus->codec_list, list) {
+               if (snd_hda_codec_needs_resume(codec))
+                       return 1;
+       }
+       return 0;
+}
+
 static int azx_suspend(struct pci_dev *pci, pm_message_t state)
 {
        struct snd_card *card = pci_get_drvdata(pci);
@@ -2397,7 +2408,8 @@ static int azx_resume(struct pci_dev *pci)
                return -EIO;
        azx_init_pci(chip);
 
-       azx_init_chip(chip, 1);
+       if (snd_hda_codecs_inuse(chip->bus))
+               azx_init_chip(chip, 1);
 
        snd_hda_resume(chip->bus);
        snd_power_change_state(card, SNDRV_CTL_POWER_D0);