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authorTakashi Iwai <tiwai@suse.de>2013-01-09 11:15:13 +0100
committerTakashi Iwai <tiwai@suse.de>2013-01-09 11:15:13 +0100
commit6ab317419c62850a71e2adfd1573e5ee87d8774f (patch)
treecb5f0fa631f10797649e40faa6dc257ad72c769c /sound/pci/hda/hda_intel.c
parentf4f0a8c4783a0258f2d0020a67fd619ce41a02a3 (diff)
downloadlinux-6ab317419c62850a71e2adfd1573e5ee87d8774f.tar.gz
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>
Diffstat (limited to 'sound/pci/hda/hda_intel.c')
-rw-r--r--sound/pci/hda/hda_intel.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
index cca87277baf..98832357783 100644
--- a/sound/pci/hda/hda_intel.c
+++ b/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;