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-rw-r--r--Documentation/sound/alsa/ALSA-Configuration.txt7
1 files changed, 7 insertions, 0 deletions
diff --git a/Documentation/sound/alsa/ALSA-Configuration.txt b/Documentation/sound/alsa/ALSA-Configuration.txt
index 46a125003b0a..9342846c7c48 100644
--- a/Documentation/sound/alsa/ALSA-Configuration.txt
+++ b/Documentation/sound/alsa/ALSA-Configuration.txt
@@ -954,6 +954,8 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed.
954 use_cache - 0 or 1 (disabled by default) 954 use_cache - 0 or 1 (disabled by default)
955 vaio_hack - alias buffer_top=0x25a800 955 vaio_hack - alias buffer_top=0x25a800
956 reset_workaround - enable AC97 RESET workaround for some laptops 956 reset_workaround - enable AC97 RESET workaround for some laptops
957 reset_workaround2 - enable extended AC97 RESET workaround for some
958 other laptops
957 959
958 Module supports autoprobe and multiple chips (max 8). 960 Module supports autoprobe and multiple chips (max 8).
959 961
@@ -984,6 +986,11 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed.
984 workaround is enabled automatically. For other laptops with a 986 workaround is enabled automatically. For other laptops with a
985 hard freeze, you can try reset_workaround=1 option. 987 hard freeze, you can try reset_workaround=1 option.
986 988
989 Note: Dell Latitude CSx laptops have another problem regarding
990 AC97 RESET. On these laptops, reset_workaround2 option is
991 turned on as default. This option is worth to try if the
992 previous reset_workaround option doesn't help.
993
987 Note: This driver is really crappy. It's a porting from the 994 Note: This driver is really crappy. It's a porting from the
988 OSS driver, which is a result of black-magic reverse engineering. 995 OSS driver, which is a result of black-magic reverse engineering.
989 The detection of codec will fail if the driver is loaded *after* 996 The detection of codec will fail if the driver is loaded *after*