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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 avail- able 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) vari- able is available only if the device is known to support S/PDIF output. dev.pcm.%d.polling Experimental polling mode, where the dri- ver 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. 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 ports 15.1 November 29, 2006 SND_ES137X(4)
NAME | SYNOPSIS | DESCRIPTION | HARDWARE | SEE ALSO | HISTORY | AUTHORS
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