---

yaml
---
r: 352990
b: refs/heads/master
c: 6ab3174
h: refs/heads/master
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: f4f0a8c4783a0258f2d0020a67fd619ce41a02a3
+refs/heads/master: 6ab317419c62850a71e2adfd1573e5ee87d8774f

trunk/Documentation/sound/alsa/ALSA-Configuration.txt

@@ -890,8 +890,9 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed.
     enable_msi	- Enable Message Signaled Interrupt (MSI) (default = off)
     power_save	- Automatic power-saving timeout (in second, 0 =
 		disable)
-    power_save_controller - Reset HD-audio controller in power-saving mode
-		(default = on)
+    power_save_controller - Support runtime D3 of HD-audio controller
+		(-1 = on for supported chip (default), false = off,
+		 true = force to on even for unsupported hardware)
     align_buffer_size - Force rounding of buffer/period sizes to multiples
     		      of 128 bytes. This is more efficient in terms of memory
 		      access but isn't required by the HDA spec and prevents

trunk/sound/pci/hda/hda_intel.c

@@ -134,8 +134,8 @@ MODULE_PARM_DESC(power_save, "Automatic power-saving timeout "
  * this may give more power-saving, but will take longer time to
  * wake up.
  */
-static bool power_save_controller = 1;
-module_param(power_save_controller, bool, 0644);
+static int power_save_controller = -1;
+module_param(power_save_controller, bint, 0644);
 MODULE_PARM_DESC(power_save_controller, "Reset controller in power save mode.");
 #endif /* CONFIG_PM */
 
@@ -2711,6 +2711,8 @@ static int azx_runtime_idle(struct device *dev)
 	struct snd_card *card = dev_get_drvdata(dev);
 	struct azx *chip = card->private_data;
 
+	if (power_save_controller > 0)
+		return 0;
 	if (!power_save_controller ||
 	    !(chip->driver_caps & AZX_DCAPS_PM_RUNTIME))
 		return -EBUSY;