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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. codecs (for debugging only) enable_msi - Enable Message Signaled Interrupt (MSI) (default = off) power_save - Automatic power-saving timtout (in second, 0 = - disable, default = 10) + disable) power_save_controller - Reset HD-audio controller in power-saving mode (default = on) @@ -1024,11 +1024,8 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed. subsystem ID (output of "lspci -nv") to ALSA BTS or alsa-devel ML (see the section "Links and Addresses"). - When CONFIG_SND_HDA_POWER_SAVE is set, two options, power_save and - power_save_controller become available. power_save specifies the - time to turn off the power automatically at idle status. When - power_save_controller is true, the controller is also turned off. - This might result in more obvious click noise at turning on/off. + power_save and power_save_controller options are for power-saving + mode. See powersave.txt for details. Note 2: If you get click noises on output, try the module option position_fix=1 or 2. position_fix=1 will use the SD_LPIB |