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| author | Andrew Geissler <geissonator@yahoo.com> | 2021-06-25 22:23:27 +0300 |
|---|---|---|
| committer | Brad Bishop <bradleyb@fuzziesquirrel.com> | 2021-06-28 15:35:59 +0300 |
| commit | a4353c83a2d230d0992feedbf462cc243ab37126 (patch) | |
| tree | 1424e8661f114308fab76e36aa3485377eb3d830 /meta-raspberrypi/docs | |
| parent | fec94c7b8f7adb79e6d63db1a7e88b54eecc1749 (diff) | |
| download | openbmc-a4353c83a2d230d0992feedbf462cc243ab37126.tar.xz | |
meta-raspberrypi: subtree update:ffc402ef5e..17b56ab075
Andreas Müller (1):
pi-bluetooth: upgrade 0.1.12 -> 0.1.17
Devendra Tewari (1):
Add WM8960 soundcard support
Paul Barker (1):
rpi-cmdline: Package is machine-specific
Pierre-Jean Texier (1):
kas: remove 'image-mklibs' from USER_CLASSES list
Signed-off-by: Andrew Geissler <geissonator@yahoo.com>
Change-Id: I08366a667f191efd45b717be5bd530ae1af782b5
Diffstat (limited to 'meta-raspberrypi/docs')
| -rw-r--r-- | meta-raspberrypi/docs/extra-build-config.md | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/meta-raspberrypi/docs/extra-build-config.md b/meta-raspberrypi/docs/extra-build-config.md index 1caf904fd..ec3bd6ab8 100644 --- a/meta-raspberrypi/docs/extra-build-config.md +++ b/meta-raspberrypi/docs/extra-build-config.md @@ -349,3 +349,24 @@ Also, this will enable adding Contiguous Memory Allocation value in the cmdline. Ref.: * <https://github.com/raspberrypi/documentation/blob/master/linux/software/libcamera/README.md> * <https://www.raspberrypi.org/blog/an-open-source-camera-stack-for-raspberry-pi-using-libcamera/> + +## WM8960 soundcard support + +Support for WM8960 based sound cards such as the WM8960 Hi-Fi Sound Card HAT for Raspberry Pi from Waveshare, and ReSpeaker 2 / 4 / 6 Mics Pi HAT from Seeed Studio, can be enabled in `local.conf` + + ```conf + MACHINE_FEATURES += "wm8960" + ``` + +You may need to adjust volume and toggle switches that are off by default + + ```bash + amixer -c1 sset 'Headphone',0 80%,80% + amixer -c1 sset 'Speaker',0 80%,80% + amixer -c1 sset 'Left Input Mixer Boost' toggle + amixer -c1 sset 'Left Output Mixer PCM' toggle + amixer -c1 sset 'Right Input Mixer Boost' toggle + amixer -c1 sset 'Right Output Mixer PCM' toggle + ``` + +Audio capture on ReSpeaker 2 / 4 / 6 Mics Pi HAT from Seeed Studio is very noisy. |