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[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 <tiwai@suse.de>
imx_3.10.17_1.0.0_ga
Takashi Iwai 15 years ago
committed by Jaroslav Kysela
parent
commit
d1f38cf9f8
1 changed files with 7 additions and 0 deletions
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      Documentation/sound/alsa/ALSA-Configuration.txt

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Documentation/sound/alsa/ALSA-Configuration.txt View File

@ -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*


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