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| author | Takashi Iwai <tiwai@suse.de> | 2005-05-12 14:26:27 +0200 |
|---|---|---|
| committer | Jaroslav Kysela <perex@suse.cz> | 2005-05-29 10:08:30 +0200 |
| commit | c74db86bcf0897cdd4dc1f85ae0d76ef59aaeb20 (patch) | |
| tree | 07ca89ae966291074bdf5eea73aaaed14edb89dd /Documentation/sound | |
| parent | 091bf4dcab10b083f944d4eafbe0c734786485fe (diff) | |
| download | op-kernel-dev-c74db86bcf0897cdd4dc1f85ae0d76ef59aaeb20.zip op-kernel-dev-c74db86bcf0897cdd4dc1f85ae0d76ef59aaeb20.tar.gz | |
[ALSA] Add position_fix module option
Documentation,HDA Intel driver
Added position_fix module option to HDA-intel driver for fixing up
the DMA position (possibly hardware-) bugs.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'Documentation/sound')
| -rw-r--r-- | Documentation/sound/alsa/ALSA-Configuration.txt | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/Documentation/sound/alsa/ALSA-Configuration.txt b/Documentation/sound/alsa/ALSA-Configuration.txt index c69581c..ef07506 100644 --- a/Documentation/sound/alsa/ALSA-Configuration.txt +++ b/Documentation/sound/alsa/ALSA-Configuration.txt @@ -618,6 +618,7 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed. Module for Intel HD Audio (ICH6, ICH6M, ICH7) model - force the model name + position_fix - Fix DMA pointer (0 = FIFO size, 1 = none, 2 = POSBUF) Module supports up to 8 cards. @@ -643,6 +644,14 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed. full_dig 6-jack in back, 2-jack in front, SPDIF I/O allout 5-jack in back, 2-jack in front, SPDIF out + 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 + register value without FIFO size correction as the current + DMA pointer. position_fix=2 will make the driver to use + the position buffer instead of reading SD_LPIB register. + (Usually SD_LPLIB register is more accurate than the + position buffer.) + Module snd-hdsp --------------- |
