VCAUDIO(4) | Device Drivers Manual | VCAUDIO(4) |
vcaudio
— Broadcom
VideoCore integrated audio device driver
vcaudio* at vchiq?
The vcaudio
driver provides support for
the VideoCore 4 audio interface found on Broadcom SoCs used in boards such
as the Raspberry Pi.
Three outputs are supported: auto
,
headphones
, and hdmi
. The
selected output can be changed using the
outputs.select
mixerctl(1) variable.
headphones
corresponds to the analog 3.5mm jack on
the Raspberry Pi.
The hardware does not support recording.
The vcaudio
device driver appeared in
NetBSD 7.0.
The playback block size is fixed at 40ms of audio. The hardware output format is fixed at stereo 48kHz 16-bit LPCM so is not configurable with audiocfg(1).
February 26, 2021 | NetBSD 10.99 |