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-rw-r--r--sound/drivers/Kconfig13
1 files changed, 13 insertions, 0 deletions
diff --git a/sound/drivers/Kconfig b/sound/drivers/Kconfig
index 395c4ef52ac..897dc2dfd7d 100644
--- a/sound/drivers/Kconfig
+++ b/sound/drivers/Kconfig
@@ -100,4 +100,17 @@ config SND_MPU401
To compile this driver as a module, choose M here: the module
will be called snd-mpu401.
+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.
+
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