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-rw-r--r--Documentation/sound/alsa/ALSA-Configuration.txt9
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