ALSA: hda - Allow power_save_controller option override DCAPS
Change the power_save_controller option to bint from bool so that user
can override the runtime PM capability bit and force to enable or
disable the runtime PM.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
index cca8727..9883235 100644
--- a/sound/pci/hda/hda_intel.c
+++ b/sound/pci/hda/hda_intel.c
@@ -134,8 +134,8 @@
* 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 @@
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;