From d1f38cf9f8fcb486a027bb5adc214558d7830f45 Mon Sep 17 00:00:00 2001 From: Takashi Iwai Date: Wed, 19 Oct 2005 16:04:27 +0200 Subject: [ALSA] Add description about a new option of nm256 driver Modules: Documentation Add description about a new option of nm256 driver. Signed-off-by: Takashi Iwai --- Documentation/sound/alsa/ALSA-Configuration.txt | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'Documentation/sound/alsa') diff --git a/Documentation/sound/alsa/ALSA-Configuration.txt b/Documentation/sound/alsa/ALSA-Configuration.txt index 46a125003b0..9342846c7c4 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. use_cache - 0 or 1 (disabled by default) vaio_hack - alias buffer_top=0x25a800 reset_workaround - enable AC97 RESET workaround for some laptops + reset_workaround2 - enable extended AC97 RESET workaround for some + other laptops Module supports autoprobe and multiple chips (max 8). @@ -984,6 +986,11 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed. workaround is enabled automatically. For other laptops with a hard freeze, you can try reset_workaround=1 option. + Note: Dell Latitude CSx laptops have another problem regarding + AC97 RESET. On these laptops, reset_workaround2 option is + turned on as default. This option is worth to try if the + previous reset_workaround option doesn't help. + Note: This driver is really crappy. It's a porting from the OSS driver, which is a result of black-magic reverse engineering. The detection of codec will fail if the driver is loaded *after* -- cgit v1.2.3-18-g5258