46 lines
1.4 KiB
Markdown
46 lines
1.4 KiB
Markdown
# seeed-voicecard
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While the upstream wm8960 codec is not currently supported by current Pi kernel builds, upstream wm8960 has some bugs, we had fixed it. we must it build manually.
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Get the seeed voice card source code.
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```
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git clone http://git.oschina.net/seeed-se/seeed-voicecard
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cd seeed-voicecard
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sudo ./install.sh
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reboot
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```
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Check that the sound card name matches the source code seeed-voicecard.
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```
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pi@raspberrypi:~/seeed-voicecard$ aplay -l
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**** List of PLAYBACK Hardware Devices ****
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card 0: ALSA [bcm2835 ALSA], device 0: bcm2835 ALSA [bcm2835 ALSA]
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Subdevices: 8/8
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Subdevice #0: subdevice #0
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Subdevice #1: subdevice #1
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Subdevice #2: subdevice #2
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Subdevice #3: subdevice #3
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Subdevice #4: subdevice #4
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Subdevice #5: subdevice #5
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Subdevice #6: subdevice #6
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Subdevice #7: subdevice #7
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card 0: ALSA [bcm2835 ALSA], device 1: bcm2835 ALSA [bcm2835 IEC958/HDMI]
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Subdevices: 1/1
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Subdevice #0: subdevice #0
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card 1: seeedvoicecard [seeed-voicecard], device 0: bcm2835-i2s-wm8960-hifi wm8960-hifi-0 []
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Subdevices: 1/1
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Subdevice #0: subdevice #0
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pi@raspberrypi:~/seeed-voicecard$
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```
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Next apply the alsa controls setting
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```
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sudo alsactl --file=asound.state restore
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```
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If you want to change the alsa settings, You can use `sudo alsactl --file=asound.state store` to save it.
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Test:
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```
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arecord -f cd -Dhw:1 | aplay -Dhw:1
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```
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Enjoy !
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