To compile this driver into the kernel, place the following lines in your
kernel configuration file:
device sounddevice snd_es137x
Alternatively, to load the driver as a module at boot time, place the
following line in
loader.conf5:
snd_es137x_load="YES"
DESCRIPTION
The
bridge driver allows the generic audio driver
sound(4)
to attach to the Ensoniq 137x audio cards.
Runtime Configuration
The following
sysctl(8)
variables are available in addition to those available to all
sound(4)
devices:
hw.snd.pcm%d.latency_timer
Controls the PCI latency timer setting.
Increasing this value will solve most popping and crackling issues
(especially on VIA motherboards).
hw.snd.pcm%d.spdif_enabled
Enables S/PDIF output on the primary playback channel.
This
sysctl(8)
variable is available only if the device is known to support S/PDIF output.
dev.pcm.%d.polling
Experimental polling mode, where the driver operates by querying the device
state on each tick using
callout(9).
Polling is disabled by default.
Do not enable it unless you are facing weird interrupt problems or if the
device cannot generate interrupts at all.
