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-rw-r--r--sound/drivers/Kconfig21
1 files changed, 21 insertions, 0 deletions
diff --git a/sound/drivers/Kconfig b/sound/drivers/Kconfig
index 79b4d3f2566..255fd18b9ae 100644
--- a/sound/drivers/Kconfig
+++ b/sound/drivers/Kconfig
@@ -161,4 +161,25 @@ config SND_ML403_AC97CR
To compile this driver as a module, choose M here: the module
will be called snd-ml403_ac97cr.
+config SND_AC97_POWER_SAVE
+ bool "AC97 Power-Saving Mode"
+ depends on SND_AC97_CODEC && EXPERIMENTAL
+ default n
+ help
+ Say Y here to enable the aggressive power-saving support of
+ AC97 codecs. In this mode, the power-mode is dynamically
+ controlled at each open/close.
+
+ The mode is activated by passing power_save=1 option to
+ snd-ac97-codec driver. You can toggle it dynamically over
+ sysfs, too.
+
+config SND_AC97_POWER_SAVE_DEFAULT
+ int "Default time-out for AC97 power-save mode"
+ depends on SND_AC97_POWER_SAVE
+ default 0
+ help
+ The default time-out value in seconds for AC97 automatic
+ power-save mode. 0 means to disable the power-save mode.
+
endif # SND_DRIVERS