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[ALSA] Add default values for power-saving as Kconfig options 

Added CONFIG_SND_AC97_POWER_SAVE_DEFAULT and CONFIG_SND_HDA_POWER_SAVE_DEFAULT
Kconfig options as the default values for power-saving mode of AC97 and
HD-audio drivers, respectively.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
This commit is contained in:
Takashi Iwai 2007-09-17 19:07:46 +02:00 committed by Jaroslav Kysela
parent ec1e794932
commit 7a5a27cfae
3 changed files with 17 additions and 2 deletions
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15
sound/pci/Kconfig
View File

@ -589,6 +589,14 @@ config SND_HDA_POWER_SAVE
HD-audio driver. The power-saving timeout can be configured
via power_save option or over sysfs on-the-fly.
config SND_HDA_POWER_SAVE_DEFAULT
int "Default time-out for HD-audio power-save mode"
depends on SND_HDA_POWER_SAVE
default 0
help
The default time-out value in seconds for HD-audio automatic
power-save mode. 0 means to disable the power-save mode.
config SND_HDSP
tristate "RME Hammerfall DSP Audio"
depends on SND
@ -888,4 +896,11 @@ config SND_AC97_POWER_SAVE
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
The default time-out value in seconds for AC97 automatic
power-save mode. 0 means to disable the power-save mode.
endmenu

2
sound/pci/ac97/ac97_codec.c
View File

@ -49,7 +49,7 @@ module_param(enable_loopback, bool, 0444);
MODULE_PARM_DESC(enable_loopback, "Enable AC97 ADC/DAC Loopback Control");
#ifdef CONFIG_SND_AC97_POWER_SAVE
static int power_save;
static int power_save = CONFIG_SND_AC97_POWER_SAVE_DEFAULT;
module_param(power_save, bool, 0644);
MODULE_PARM_DESC(power_save, "Enable AC97 power-saving control");
#endif

2
sound/pci/hda/hda_codec.c
View File

@ -35,7 +35,7 @@
#ifdef CONFIG_SND_HDA_POWER_SAVE
/* define this option here to hide as static */
static int power_save = 10;
static int power_save = CONFIG_SND_HDA_POWER_SAVE_DEFAULT;
module_param(power_save, int, 0644);
MODULE_PARM_DESC(power_save, "Automatic power-saving timeout "
"(in second, 0 = disable).");