Drivers Sound EN

Language: English ｜ Drivers-Sound

Sound bring-up manual

Families

Driver	QEMU	Command	Test
HDA	-device intel-hda -device hda-output	hda	hda_test
AC97	-device AC97	ac97	ac97_test
SB16	-device sb16 (ISA)	sb16	sb16_test
ES1370	-device es1370	es1370	es1370_test
virtio-snd	-device virtio-sound	virtiosnd	virtio_snd_test

Bring-up order

1. sound - the family status + registered devices.
2. The per-family command shows codec/mixer/DSP state.
3. play - a tone through the default device.
4. Gates: the *_test per family + sample_rate_test + audio_rw_test.

The L1 surface

driver_snd_register + play/stop/set_rate/set_volume/get_caps; see L1-Sound-Drivers-EN.