Код: Выделить всё
$ uname -a
FreeBSD lair 8.1-RELEASE FreeBSD 8.1-RELEASE #0: Mon Jul 19 02:36:49 UTC 2010 root@mason.cse.buffalo.edu:/usr/obj/usr/src/sys/GENERIC amd64
звук проигрывается как с задней панели, так и с передней - через /dev/dsp1.0
но микрофон работает только на задней панели
Код: Выделить всё
$ dmesg |grep hda
hdac0: <NVidia MCP55 High Definition Audio Controller> mem 0xfe024000-0xfe027fff irq 22 at device 6.1 on pci0
hdac0: HDA Driver Revision: 20100226_0142
hdac0: [ITHREAD]
hdac0: HDA Codec #0: Analog Devices AD1988B
pcm0: <HDA Analog Devices AD1988B PCM #0 Analog> at cad 0 nid 1 on hdac0
pcm1: <HDA Analog Devices AD1988B PCM #1 Analog> at cad 0 nid 1 on hdac0
pcm2: <HDA Analog Devices AD1988B PCM #2 Digital> at cad 0 nid 1 on hdac0
Код: Выделить всё
$ sysctl -a | grep pcm.0
dev.pcm.0.%desc: HDA Analog Devices AD1988B PCM #0 Analog
dev.pcm.0.%driver: pcm
dev.pcm.0.%parent: hdac0
dev.pcm.0.play.vchans: 3
dev.pcm.0.play.vchanmode: fixed
dev.pcm.0.play.vchanrate: 48000
dev.pcm.0.play.vchanformat: s16le:2.0
dev.pcm.0.rec.vchans: 1
dev.pcm.0.rec.vchanmode: fixed
dev.pcm.0.rec.vchanrate: 48000
dev.pcm.0.rec.vchanformat: s16le:2.0
dev.pcm.0.buffersize: 16384
dev.pcm.0.bitperfect: 0
Код: Выделить всё
$ sysctl -a | grep pcm.1
dev.pcm.1.%desc: HDA Analog Devices AD1988B PCM #1 Analog
dev.pcm.1.%driver: pcm
dev.pcm.1.%parent: hdac0
dev.pcm.1.play.vchans: 3
dev.pcm.1.play.vchanmode: fixed
dev.pcm.1.play.vchanrate: 48000
dev.pcm.1.play.vchanformat: s16le:2.0
dev.pcm.1.buffersize: 16384
dev.pcm.1.bitperfect: 0
Код: Выделить всё
$ mixer -f /dev/mixer0
Mixer vol is currently set to 65:65
Mixer pcm is currently set to 99:99
Mixer speaker is currently set to 66:66
Mixer line is currently set to 66:66
Mixer mic is currently set to 66:66
Mixer cd is currently set to 79:79
Mixer mix is currently set to 81:81
Mixer rec is currently set to 75:75
Mixer igain is currently set to 0:0
Mixer ogain is currently set to 74:74
Mixer monitor is currently set to 58:58
Recording source: monitor
Код: Выделить всё
$ mixer -f /dev/mixer1
Mixer vol is currently set to 98:98
Mixer pcm is currently set to 100:100
Mixer mix is currently set to 53:53
Mixer igain is currently set to 0:0