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SND_ES137X(4) Kernel Interfaces Manual SND_ES137X(4) NAME snd_es137x -- Ensoniq AudioPCI ES137x bridge device driver SYNOPSIS To compile this driver into the kernel, place the following lines in your kernel configuration file: device sound device snd_es137x Alternatively, to load the driver as a module at boot time, place the following line in loader.conf(5): snd_es137x_load="YES" DESCRIPTION The snd_es137x 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 set- ting. Increasing this value will solve most popping and crackling is- sues (especially on VIA mother- boards). hw.snd.pcm%d.spdif_enabled Enables S/PDIF output on the primary playback channel. This sysctl(8) variable is available only if the de- vice is known to support S/PDIF out- put. dev.pcm.%d.polling Experimental polling mode, where the driver operates by querying the de- vice 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 in- terrupts at all. HARDWARE The snd_es137x driver supports the following sound cards: • Creative CT5880-A • Creative CT5880-C • Creative CT5880-D • Creative CT5880-E • Creative SB AudioPCI CT4730 • Ensoniq AudioPCI ES1370 • Ensoniq AudioPCI ES1371-A • Ensoniq AudioPCI ES1371-B • Ensoniq AudioPCI ES1373-A • Ensoniq AudioPCI ES1373-B • Ensoniq AudioPCI ES1373-8 SEE ALSO sound(4) HISTORY The snd_es137x device driver first appeared in FreeBSD 4.0. AUTHORS Russell Cattelan <cattelan@thebarn.com> Cameron Grant <cg@FreeBSD.org> Joachim Kuebart Jonathan Noack <noackjr@alumni.rice.edu> FreeBSD 13.2 November 29, 2006 SND_ES137X(4)
NAME | SYNOPSIS | DESCRIPTION | HARDWARE | SEE ALSO | HISTORY | AUTHORS
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