diff options
author | Takashi Iwai <tiwai@suse.de> | 2007-08-13 10:10:30 -0400 |
---|---|---|
committer | Jaroslav Kysela <perex@perex.cz> | 2007-10-16 09:58:50 -0400 |
commit | dee1b66ce4f406d36fef70d1dd4360c5f1d26218 (patch) | |
tree | 0e72125049f8243e5787b16b8d2d77d0e852a306 /Documentation/sound/alsa/ALSA-Configuration.txt | |
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 'Documentation/sound/alsa/ALSA-Configuration.txt')
-rw-r--r-- | Documentation/sound/alsa/ALSA-Configuration.txt | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/Documentation/sound/alsa/ALSA-Configuration.txt b/Documentation/sound/alsa/ALSA-Configuration.txt index f71ed680d33c..2bdabe23bc70 100644 --- a/Documentation/sound/alsa/ALSA-Configuration.txt +++ b/Documentation/sound/alsa/ALSA-Configuration.txt | |||
@@ -768,6 +768,10 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed. | |||
768 | single_cmd - Use single immediate commands to communicate with | 768 | single_cmd - Use single immediate commands to communicate with |
769 | codecs (for debugging only) | 769 | codecs (for debugging only) |
770 | enable_msi - Enable Message Signaled Interrupt (MSI) (default = off) | 770 | enable_msi - Enable Message Signaled Interrupt (MSI) (default = off) |
771 | power_save - Automatic power-saving timtout (in second, 0 = | ||
772 | disable, default = 10) | ||
773 | power_save_controller - Reset HD-audio controller in power-saving mode | ||
774 | (default = on) | ||
771 | 775 | ||
772 | This module supports one card and autoprobe. | 776 | This module supports one card and autoprobe. |
773 | 777 | ||
@@ -993,6 +997,12 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed. | |||
993 | subsystem ID (output of "lspci -nv") to ALSA BTS or alsa-devel | 997 | subsystem ID (output of "lspci -nv") to ALSA BTS or alsa-devel |
994 | ML (see the section "Links and Addresses"). | 998 | ML (see the section "Links and Addresses"). |
995 | 999 | ||
1000 | When CONFIG_SND_HDA_POWER_SAVE is set, two options, power_save and | ||
1001 | power_save_controller become available. power_save specifies the | ||
1002 | time to turn off the power automatically at idle status. When | ||
1003 | power_save_controller is true, the controller is also turned off. | ||
1004 | This might result in more obvious click noise at turning on/off. | ||
1005 | |||
996 | Note 2: If you get click noises on output, try the module option | 1006 | Note 2: If you get click noises on output, try the module option |
997 | position_fix=1 or 2. position_fix=1 will use the SD_LPIB | 1007 | position_fix=1 or 2. position_fix=1 will use the SD_LPIB |
998 | register value without FIFO size correction as the current | 1008 | register value without FIFO size correction as the current |