diff options
| author | Takashi Iwai <tiwai@suse.de> | 2007-08-13 16:10:30 +0200 |
|---|---|---|
| committer | Jaroslav Kysela <perex@perex.cz> | 2007-10-16 15:58:50 +0200 |
| commit | dee1b66ce4f406d36fef70d1dd4360c5f1d26218 (patch) | |
| tree | 0e72125049f8243e5787b16b8d2d77d0e852a306 /sound/pci/hda/hda_intel.c | |
| parent | ae0a8ed8bf9c2edee4b831dee91ae914b9641fdd (diff) | |
[ALSA] hda-intel - Add power_save_controller module option
Add power_save_controller module option instead of define flag.
Also, added descriptions of new module options in ALSA-Configuration.txt.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
Diffstat (limited to 'sound/pci/hda/hda_intel.c')
| -rw-r--r-- | sound/pci/hda/hda_intel.c | 25 |
1 files changed, 11 insertions, 14 deletions
diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c index f9c7c2e4f922..e20629a2d7d1 100644 --- a/sound/pci/hda/hda_intel.c +++ b/sound/pci/hda/hda_intel.c @@ -75,8 +75,18 @@ MODULE_PARM_DESC(single_cmd, "Use single command to communicate with codecs " module_param(enable_msi, int, 0); MODULE_PARM_DESC(enable_msi, "Enable Message Signaled Interrupt (MSI)"); +#ifdef CONFIG_SND_HDA_POWER_SAVE /* power_save option is defined in hda_codec.c */ +/* reset the HD-audio controller in power save mode. + * this may give more power-saving, but will take longer time to + * wake up. + */ +static int power_save_controller = 1; +module_param(power_save_controller, bool, 0644); +MODULE_PARM_DESC(power_save_controller, "Reset controller in power save mode."); +#endif + /* just for backward compatibility */ static int enable; module_param(enable, bool, 0444); @@ -102,17 +112,6 @@ MODULE_DESCRIPTION("Intel HDA driver"); #define SFX "hda-intel: " -/* - * build flags - */ - -/* - * reset the HD-audio controller in power save mode. - * this may give more power-saving, but will take longer time to - * wake up. - */ -#define HDA_POWER_SAVE_RESET_CONTROLLER - /* * registers @@ -1533,10 +1532,8 @@ static void azx_power_notify(struct hda_codec *codec) } if (power_on) azx_init_chip(chip); -#ifdef HDA_POWER_SAVE_RESET_CONTROLLER - else if (chip->running) + else if (chip->running && power_save_controller) azx_stop_chip(chip); -#endif } #endif /* CONFIG_SND_HDA_POWER_SAVE */ |