ALSA: hda: warn on spurious response

To help disclose hardware bugs. Signed-off-by: Wu Fengguang <fengguang.wu@intel.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
mariux64 · Aug 3, 2009 · e310bb0 · e310bb0
1 parent feb2734
commit e310bb0
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
@@ -632,7 +632,11 @@ static void azx_update_rirb(struct azx *chip)
 			chip->rirb.res[addr] = res;
 			smp_wmb();
 			chip->rirb.cmds[addr]--;
-		}
+		} else
+			snd_printk(KERN_ERR SFX "spurious response %#x:%#x, "
+				   "last cmd=%#08x\n",
+				   res, res_ex,
+				   chip->last_cmd[addr]);
 	}
 }