Re: Using the audio(4) driver for recording under -current?

[RVP <rvp%SDF.ORG@localhost>]

On Tue, 25 Oct 2022, Brian Buhrow wrote:

> Is anyone using the audio(4) driver for recording successfully under -current?

audiorecord worked for me on 9.99.102:

```
hdaudio0 at pci0 dev 27 function 0: HD Audio Controller
hdaudio0: interrupting at msi1 vec 0
hdaudio0: HDA ver. 1.0, OSS 4, ISS 4, BSS 0, SDO 1, 64-bit
hdafg0 at hdaudio0: VIA product 8446
hdafg0: DAC00 2ch: Speaker [Built-In], HP Out [Jack]
hdafg0: ADC01 2ch: Mic In [Built-In]
hdafg0: 2ch/2ch 48000Hz PCM16*
audio0 at hdafg0: playback, capture, full duplex, independent
audio0: slinear_le:16 2ch 48000Hz, blk 1920 bytes (10ms) for playback
audio0: slinear_le:16 2ch 48000Hz, blk 1920 bytes (10ms) for recording
spkr0 at audio0: PC Speaker (synthesized)
wsbell at spkr0 not configured
hdafg1 at hdaudio0: Intel product 2806
hdafg1: DP00 8ch: Digital Out [Jack]
hdafg1: 8ch/0ch 48000Hz PCM16*
audio1 at hdafg1: playback, capture, full duplex, independent
audio1: slinear_le:16 2ch 48000Hz, blk 1920 bytes (10ms) for playback
audio1: slinear_le:16 2ch 48000Hz, blk 1920 bytes (10ms) for recording
spkr1 at audio1: PC Speaker (synthesized)
wsbell at spkr1 not configured
```


> The symptom is that after  I set up the recording parameters, channels, encoding, sampling rate,
> when I try to read data from the /dev/soundx device, I get resource temporarily unavailable
> errors back from the read calls and kernel messages telling me that the audio device has timed
> out.

Perhaps the correct ADC was not selected? See Section 10.6.1 in the Guide[1].

-RVP

[1]: https://netbsd.org/docs/guide/en/chap-audio.html#chap-audio-hdaudio-dacs-adcs