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snd_via8233(4) [freebsd man page]

SND_VIA8233(4)						   BSD Kernel Interfaces Manual 					    SND_VIA8233(4)

NAME
snd_via8233 -- VIA Technologies VT8233 bridge device driver SYNOPSIS
To compile this driver into the kernel, place the following lines in your kernel configuration file: device sound device snd_via8233 Alternatively, to load the driver as a module at boot time, place the following line in loader.conf(5): snd_via8233_load="YES" DESCRIPTION
The snd_via8233 bridge driver allows the generic audio driver, sound(4), to attach to the VIA VT8233 audio devices. These audio chipsets are integrated in the southbridge on many VIA based motherboards. Runtime Configuration The following sysctl(8) variables are available in addition to those available to all sound(4) devices: 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. HARDWARE
The snd_via8233 driver supports the following audio chipsets: o VIA VT8233 o VIA VT8233A o VIA VT8233C o VIA VT8235 o VIA VT8237 o VIA VT8251 SEE ALSO
sound(4) HISTORY
The snd_via8233 device driver first appeared in FreeBSD 4.7. AUTHORS
This manual page was written by Joel Dahl <joel@FreeBSD.org>. BUGS
The snd_via8233 driver does not support S/PDIF. There is partial support in the code, so implementing it should be fairly easy if the right hardware is available. BSD
November 29, 2006 BSD

Check Out this Related Man Page

SND_ES137X(4)						   BSD 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 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 prob- lems or if the device cannot generate interrupts at all. HARDWARE
The snd_es137x driver supports the following sound cards: o Creative CT5880-A o Creative CT5880-C o Creative CT5880-D o Creative CT5880-E o Creative SB AudioPCI CT4730 o Ensoniq AudioPCI ES1370 o Ensoniq AudioPCI ES1371-A o Ensoniq AudioPCI ES1371-B o Ensoniq AudioPCI ES1373-A o Ensoniq AudioPCI ES1373-B o 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> BSD
November 29, 2006 BSD

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