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| author | Takashi Iwai <tiwai@suse.de> | 2013-01-09 11:15:13 +0100 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2013-01-09 11:15:13 +0100 |
| commit | 6ab317419c62850a71e2adfd1573e5ee87d8774f (patch) | |
| tree | cb5f0fa631f10797649e40faa6dc257ad72c769c /Documentation/sound/alsa | |
| parent | f4f0a8c4783a0258f2d0020a67fd619ce41a02a3 (diff) | |
| download | linux-6ab317419c62850a71e2adfd1573e5ee87d8774f.tar.gz | |
ALSA: hda - Allow power_save_controller option override DCAPS
Change the power_save_controller option to bint from bool so that user can override the runtime PM capability bit and force to enable or disable the runtime PM. Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'Documentation/sound/alsa')
| -rw-r--r-- | Documentation/sound/alsa/ALSA-Configuration.txt | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/Documentation/sound/alsa/ALSA-Configuration.txt b/Documentation/sound/alsa/ALSA-Configuration.txt index b9cfd339a6fa..ce6581c8ca26 100644 --- a/Documentation/sound/alsa/ALSA-Configuration.txt +++ b/Documentation/sound/alsa/ALSA-Configuration.txt @@ -890,8 +890,9 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed. enable_msi - Enable Message Signaled Interrupt (MSI) (default = off) power_save - Automatic power-saving timeout (in second, 0 = disable) - power_save_controller - Reset HD-audio controller in power-saving mode - (default = on) + power_save_controller - Support runtime D3 of HD-audio controller + (-1 = on for supported chip (default), false = off, + true = force to on even for unsupported hardware) align_buffer_size - Force rounding of buffer/period sizes to multiples of 128 bytes. This is more efficient in terms of memory access but isn't required by the HDA spec and prevents |