---

yaml
---
r: 81654
b: refs/heads/master
c: 5298765
h: refs/heads/master
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 192b8e3922c916cbacac7e5a190d9412ae39a7ee
+refs/heads/master: 52987656fb3d43192639a7d585feb564c075c864

trunk/sound/pci/hda/hda_codec.h

@@ -464,6 +464,9 @@ struct hda_bus {
 	struct hda_bus_unsolicited *unsol;
 
 	struct snd_info_entry *proc;
+
+	/* misc op flags */
+	unsigned int needs_damn_long_delay :1;
 };
 
 /*

trunk/sound/pci/hda/hda_intel.c

@@ -559,8 +559,12 @@ static unsigned int azx_rirb_get_response(struct hda_codec *codec)
 		}
 		if (!chip->rirb.cmds)
 			return chip->rirb.res; /* the last value */
-		udelay(10);
-		cond_resched();
+		if (codec->bus->needs_damn_long_delay)
+			msleep(2); /* temporary workaround */
+		else {
+			udelay(10);
+			cond_resched();
+		}
 	} while (time_after_eq(timeout, jiffies));
 
 	if (chip->msi) {

trunk/sound/pci/hda/patch_sigmatel.c

@@ -3472,6 +3472,18 @@ static int patch_stac927x(struct hda_codec *codec)
 
 	codec->patch_ops = stac92xx_patch_ops;
 
+	/*
+	 * !!FIXME!!
+	 * The STAC927x seem to require fairly long delays for certain
+	 * command sequences.  With too short delays (even if the answer
+	 * is set to RIRB properly), it results in the silence output
+	 * on some hardwares like Dell.
+	 *
+	 * The below flag enables the longer delay (see get_response
+	 * in hda_intel.c).
+	 */
+	codec->bus->needs_damn_long_delay = 1;
+
 	return 0;
 }