diff options
Diffstat (limited to 'Documentation/sound/alsa/ALSA-Configuration.txt')
| -rw-r--r-- | Documentation/sound/alsa/ALSA-Configuration.txt | 29 |
1 files changed, 20 insertions, 9 deletions
diff --git a/Documentation/sound/alsa/ALSA-Configuration.txt b/Documentation/sound/alsa/ALSA-Configuration.txt index 13cba955cb5a..2f27f391c7cc 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. |