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Component SND_AC97_POWER_SAVE

Component Type: kbuild config

Description: AC97 Power-Saving Mode

More info: 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=X' to the snd-ac97-codec driver module, where 'X' is the time-out value, a nonnegative integer that specifies how many seconds of idle time the driver must count before it may put the AC97 into power-save mode; a value of 0 (zero) disables the use of this power-save mode. After the snd-ac97-codec driver module has been loaded, the 'power_save' parameter can be set via sysfs as follows: echo 10 > /sys/module/snd_ac97_codec/parameters/power_save In this case, the time-out is set to 10 seconds; setting the time-out to 1 second (the minimum activation value) isn't recommended because many applications try to reopen the device frequently. A value of 10 seconds would be a good choice for normal operations. See Documentation/sound/designs/powersave.rst for more details.

Build project: Kconfig (Linux kconfig) (Path: sound\drivers\Kconfig )

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