zymon/seeed-voicecard
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This is an enhancement fork with the explicit aim of supporting current shipping Raspbian/Ubuntu kernels without requiring downgrading. Please donate at https://hintak.github.io/ if it works for you. Use vX.Y branch for kernel version vX.Y
19 commits 29 branches 6 tags 1.3 MiB
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Yihui Xiong 5b4f313e27 build for current kernel
2017-08-07 09:36:02 +08:00
asound.state addjust capture volume 2017-05-22 18:36:44 +08:00
builddtbo.sh add all project files 2017-04-27 15:31:04 +08:00
dkms.conf add a install script 2017-05-22 18:20:29 +08:00
install.sh build for current kernel 2017-08-07 09:36:02 +08:00
Makefile add all project files 2017-04-27 15:31:04 +08:00
README.md Update README.md 2017-07-06 10:40:45 +08:00
seeed-voicecard-overlay.dts add all project files 2017-04-27 15:31:04 +08:00
seeed-voicecard.dtbo add all project files 2017-04-27 15:31:04 +08:00
wm8960.c remove debug message 2017-05-22 15:49:41 +08:00
wm8960.h add wm8960.h header file 2017-04-27 16:52:22 +08:00
wm8960.ko using 24M mclk 2017-05-16 14:31:19 +08:00

README.md

seeed-voicecard

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.

Get the seeed voice card source code.

git clone https://github.com/respeaker/seeed-voicecard
cd seeed-voicecard
sudo ./install.sh
reboot

Check that the sound card name matches the source code seeed-voicecard.

pi@raspberrypi:~/seeed-voicecard$ aplay -l
**** List of PLAYBACK Hardware Devices ****
card 0: ALSA [bcm2835 ALSA], device 0: bcm2835 ALSA [bcm2835 ALSA]
  Subdevices: 8/8
  Subdevice #0: subdevice #0
  Subdevice #1: subdevice #1
  Subdevice #2: subdevice #2
  Subdevice #3: subdevice #3
  Subdevice #4: subdevice #4
  Subdevice #5: subdevice #5
  Subdevice #6: subdevice #6
  Subdevice #7: subdevice #7
card 0: ALSA [bcm2835 ALSA], device 1: bcm2835 ALSA [bcm2835 IEC958/HDMI]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 1: seeedvoicecard [seeed-voicecard], device 0: bcm2835-i2s-wm8960-hifi wm8960-hifi-0 []
  Subdevices: 1/1
  Subdevice #0: subdevice #0
pi@raspberrypi:~/seeed-voicecard$

Next apply the alsa controls setting

sudo alsactl --file=asound.state restore

If you want to change the alsa settings, You can use sudo alsactl --file=asound.state store to save it.

Test:

arecord -f cd -Dhw:1 | aplay -Dhw:1

Enjoy !