Re: sound on raspberry pi 4

On 8/31/22 19:52, void wrote:
> Hi,
> 
> Does anyone know how to get a raspberry pi 4 with sound
> to work on freebsd? Is it possible or is it a nonfree
> binary blob thing?
> 
> Theres no sound from the jack on the board. It's connected via HDMI, so tried the sound jack there but no dice.
> 
> The overlays available appear to be for accessories.
> I'm just after what sound the board itself can make, without
> having to buy additional hardware.
> 
> # cat /dev/sndstat
> FreeBSD Audio Driver (64bit 2009061500/aarch64)
> No devices installed.
> No devices installed from userspace.
> 
> sysctl seems to show something
> 
> # sysctl hw.snd
> hw.snd.maxautovchans: 16
> hw.snd.default_unit: -1
> hw.snd.version: 2009061500/aarch64
> hw.snd.default_auto: -1
> hw.snd.verbose: 1
> hw.snd.vpc_mixer_bypass: 1
> hw.snd.feeder_rate_quality: 1
> hw.snd.feeder_rate_round: 25
> hw.snd.feeder_rate_max: 2016000
> hw.snd.feeder_rate_min: 1
> hw.snd.feeder_rate_polyphase_max: 183040
> hw.snd.feeder_rate_presets: 100:8:0.85 100:36:0.92 100:164:0.97
> hw.snd.feeder_eq_exact_rate: 0
> hw.snd.feeder_eq_presets: PEQ:16000,0.2500,62,0.2500:-9,9,1.0:44100,48000,88200,96000,176400,192000
> hw.snd.basename_clone: 1
> hw.snd.compat_linux_mmap: 0
> hw.snd.syncdelay: -1
> hw.snd.usefrags: 0
> hw.snd.vpc_reset: 0
> hw.snd.vpc_0db: 45
> hw.snd.vpc_autoreset: 1
> hw.snd.timeout: 5
> hw.snd.latency_profile: 1
> hw.snd.latency: 2
> hw.snd.report_soft_matrix: 1
> hw.snd.report_soft_formats: 1
> 
> TIA,


Hi,

A patch is available which fixes this. I tested it myself.
https://lists.freebsd.org/archives/freebsd-arm/2022-February/000949.html

I have no idea why this hasn't made it into the source tree yet.
You can cc the original author of the patch if you want to get in contact.

Regards,
Ronald.