diff options
| author | Ralf Baechle <ralf@linux-mips.org> | 2000-02-16 01:07:24 +0000 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2000-02-16 01:07:24 +0000 |
| commit | 95db6b748fc86297827fbd9c9ef174d491c9ad89 (patch) | |
| tree | 27a92a942821cde1edda9a1b088718d436b3efe4 /Documentation/sound/Introduction | |
| parent | 45b27b0a0652331d104c953a5b192d843fff88f8 (diff) | |
Merge with Linux 2.3.40.
Diffstat (limited to 'Documentation/sound/Introduction')
| -rw-r--r-- | Documentation/sound/Introduction | 36 |
1 files changed, 31 insertions, 5 deletions
diff --git a/Documentation/sound/Introduction b/Documentation/sound/Introduction index 0e9bbc865..2ab4867d9 100644 --- a/Documentation/sound/Introduction +++ b/Documentation/sound/Introduction @@ -25,7 +25,8 @@ History: added info on multiple sound cards of similar types,] added more diagnostics info, added info about esd. added info on OSS and ALSA. - +1.1.1 19991031 Added notes on sound-slot- and sound-service. + (Alan Cox) Modular Sound Drivers: ====================== @@ -321,6 +322,12 @@ in the Sound-HOWTO). 7) Turn on debug in drivers/sound/sound_config.h (DEB, DDB, MDB). +8) If the system reports insuffcient DMA memory then you may want to + load sound with the "dmabufs=1" option. Or in /etc/conf.modules add + + preinstall sound dmabufs=1 + + This makes the sound system allocate its buffers and hang onto them. Configuring Sound: ================== @@ -335,7 +342,7 @@ There are several ways of configuring your sound: 3) In /etc/modules.conf when using modprobe. -4) Via Red Hat's /usr/sbin/sndconfig program (text based). +4) Via Red Hat's GPL'd /usr/sbin/sndconfig program (text based). 5) Via the OSS soundconf program (with the commercial version of the OSS driver. @@ -344,6 +351,28 @@ And I am sure, several other ways. Anyone want to write a linuxconf module for configuring sound? +Module Loading: +=============== + +When a sound card is first referenced and sound is modular the sound system +will ask for the sound devices to be loaded. Initially it requests that +the driver for the sound system is loaded. It then wwill ask for +sound-slot-0, where 0 is the first sound card. (sound-slot-1 the second and +so on). Thus you can do + +alias sound-slot-0 sb + +To load a soundblaster at this point. If the slot loading does not provide +the desired device - for example a soundblaster does not directly provide +a midi synth in all cases then it will request "sound-service-0-n" where n +is + +0 Mixer + +2 MIDI + +3, 4 DSP audio + For More Information (RTFM): ============================ @@ -373,6 +402,3 @@ For More Information (RTFM): Contact Information: ==================== Wade Hampton: (whampton@staffnet.com) - - - |