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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 79b4d3f25665..255fd18b9aec 100644
--- a/sound/drivers/Kconfig
+++ b/sound/drivers/Kconfig
@@ -161,4 +161,25 @@ config SND_ML403_AC97CR
161 To compile this driver as a module, choose M here: the module 161 To compile this driver as a module, choose M here: the module
162 will be called snd-ml403_ac97cr. 162 will be called snd-ml403_ac97cr.
163 163
164config SND_AC97_POWER_SAVE
165 bool "AC97 Power-Saving Mode"
166 depends on SND_AC97_CODEC && EXPERIMENTAL
167 default n
168 help
169 Say Y here to enable the aggressive power-saving support of
170 AC97 codecs. In this mode, the power-mode is dynamically
171 controlled at each open/close.
172
173 The mode is activated by passing power_save=1 option to
174 snd-ac97-codec driver. You can toggle it dynamically over
175 sysfs, too.
176
177config SND_AC97_POWER_SAVE_DEFAULT
178 int "Default time-out for AC97 power-save mode"
179 depends on SND_AC97_POWER_SAVE
180 default 0
181 help
182 The default time-out value in seconds for AC97 automatic
183 power-save mode. 0 means to disable the power-save mode.
184
164endif # SND_DRIVERS 185endif # SND_DRIVERS