diff options
Diffstat (limited to 'Documentation/sound/alsa/ALSA-Configuration.txt')
-rw-r--r-- | Documentation/sound/alsa/ALSA-Configuration.txt | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/Documentation/sound/alsa/ALSA-Configuration.txt b/Documentation/sound/alsa/ALSA-Configuration.txt index ef330715c6d6..9268925f8e42 100644 --- a/Documentation/sound/alsa/ALSA-Configuration.txt +++ b/Documentation/sound/alsa/ALSA-Configuration.txt | |||
@@ -770,7 +770,7 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed. | |||
770 | codecs (for debugging only) | 770 | codecs (for debugging only) |
771 | enable_msi - Enable Message Signaled Interrupt (MSI) (default = off) | 771 | enable_msi - Enable Message Signaled Interrupt (MSI) (default = off) |
772 | power_save - Automatic power-saving timtout (in second, 0 = | 772 | power_save - Automatic power-saving timtout (in second, 0 = |
773 | disable, default = 10) | 773 | disable) |
774 | power_save_controller - Reset HD-audio controller in power-saving mode | 774 | power_save_controller - Reset HD-audio controller in power-saving mode |
775 | (default = on) | 775 | (default = on) |
776 | 776 | ||
@@ -1024,11 +1024,8 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed. | |||
1024 | subsystem ID (output of "lspci -nv") to ALSA BTS or alsa-devel | 1024 | subsystem ID (output of "lspci -nv") to ALSA BTS or alsa-devel |
1025 | ML (see the section "Links and Addresses"). | 1025 | ML (see the section "Links and Addresses"). |
1026 | 1026 | ||
1027 | When CONFIG_SND_HDA_POWER_SAVE is set, two options, power_save and | 1027 | power_save and power_save_controller options are for power-saving |
1028 | power_save_controller become available. power_save specifies the | 1028 | mode. See powersave.txt for details. |
1029 | time to turn off the power automatically at idle status. When | ||
1030 | power_save_controller is true, the controller is also turned off. | ||
1031 | This might result in more obvious click noise at turning on/off. | ||
1032 | 1029 | ||
1033 | Note 2: If you get click noises on output, try the module option | 1030 | Note 2: If you get click noises on output, try the module option |
1034 | position_fix=1 or 2. position_fix=1 will use the SD_LPIB | 1031 | position_fix=1 or 2. position_fix=1 will use the SD_LPIB |