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-rw-r--r--Documentation/sound/alsa/ALSA-Configuration.txt29
1 files changed, 20 insertions, 9 deletions
diff --git a/Documentation/sound/alsa/ALSA-Configuration.txt b/Documentation/sound/alsa/ALSA-Configuration.txt
index 13cba955cb5..2f27f391c7c 100644
--- a/Documentation/sound/alsa/ALSA-Configuration.txt
+++ b/Documentation/sound/alsa/ALSA-Configuration.txt
@@ -167,7 +167,7 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed.
spdif - Support SPDIF I/O
- Default: disabled
- Module supports autoprobe and multiple chips (max 8).
+ This module supports one chip and autoprobe.
The power-management is supported.
@@ -206,7 +206,7 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed.
See "AC97 Quirk Option" section below.
spdif_aclink - S/PDIF transfer over AC-link (default = 1)
- This module supports up to 8 cards and autoprobe.
+ This module supports one card and autoprobe.
ATI IXP has two different methods to control SPDIF output. One is
over AC-link and another is over the "direct" SPDIF output. The
@@ -218,7 +218,7 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed.
Module for ATI IXP 150/200/250 AC97 modem controllers.
- Module supports up to 8 cards.
+ This module supports one card and autoprobe.
Note: The default index value of this module is -2, i.e. the first
slot is excluded.
@@ -637,7 +637,7 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed.
model - force the model name
position_fix - Fix DMA pointer (0 = auto, 1 = none, 2 = POSBUF, 3 = FIFO size)
- Module supports up to 8 cards.
+ This module supports one card and autoprobe.
Each codec may have a model table for different configurations.
If your machine isn't listed there, the default (usually minimal)
@@ -663,6 +663,10 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed.
adjusted. Appearing only when compiled with
$CONFIG_SND_DEBUG=y
+ ALC260
+ hp HP machines
+ fujitsu Fujitsu S7020
+
CMI9880
minimal 3-jack in back
min_fp 3-jack in back, 2-jack in front
@@ -811,7 +815,7 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed.
semaphores (e.g. on some ASUS laptops)
(default off)
- Module supports autoprobe and multiple bus-master chips (max 8).
+ This module supports one chip and autoprobe.
Note: the latest driver supports auto-detection of chip clock.
if you still encounter too fast playback, specify the clock
@@ -830,7 +834,7 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed.
ac97_clock - AC'97 codec clock base (0 = auto-detect)
- This module supports up to 8 cards and autoprobe.
+ This module supports one card and autoprobe.
Note: The default index value of this module is -2, i.e. the first
slot is excluded.
@@ -950,8 +954,10 @@ 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).
+ This module supports one chip and autoprobe.
The power-management is supported.
@@ -980,6 +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*
@@ -1310,7 +1321,7 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed.
ac97_quirk - AC'97 workaround for strange hardware
See "AC97 Quirk Option" section below.
- Module supports autoprobe and multiple bus-master chips (max 8).
+ This module supports one chip and autoprobe.
Note: on some SMP motherboards like MSI 694D the interrupts might
not be generated properly. In such a case, please try to
@@ -1352,7 +1363,7 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed.
ac97_clock - AC'97 codec clock base (default 48000Hz)
- Module supports up to 8 cards.
+ This module supports one card and autoprobe.
Note: The default index value of this module is -2, i.e. the first
slot is excluded.