---

yaml
---
r: 34889
b: refs/heads/master
c: e96224a
h: refs/heads/master
i:
  34887: b6633c6
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 81d3dbde76eedcd3ede8a73eb72790d67fa254a9
+refs/heads/master: e96224ae974844d3f4e84f927ca4b17f1a2079a3

trunk/sound/pci/hda/hda_intel.c

@@ -332,6 +332,7 @@ struct azx {
 	int position_fix;
 	unsigned int initialized: 1;
 	unsigned int single_cmd: 1;
+	unsigned int polling_mode: 1;
 };
 
 /* driver types */
@@ -518,8 +519,23 @@ static unsigned int azx_rirb_get_response(struct hda_codec *codec)
 	struct azx *chip = codec->bus->private_data;
 	int timeout = 50;
 
-	while (chip->rirb.cmds) {
+	for (;;) {
+		if (chip->polling_mode) {
+			spin_lock_irq(&chip->reg_lock);
+			azx_update_rirb(chip);
+			spin_unlock_irq(&chip->reg_lock);
+		}
+		if (! chip->rirb.cmds)
+			break;
 		if (! --timeout) {
+			if (! chip->polling_mode) {
+				snd_printk(KERN_WARNING "hda_intel: "
+					   "azx_get_response timeout, "
+					   "switching to polling mode...\n");
+				chip->polling_mode = 1;
+				timeout = 50;
+				continue;
+			}
 			snd_printk(KERN_ERR
 				   "hda_intel: azx_get_response timeout, "
 				   "switching to single_cmd mode...\n");