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Date: Mon, 30 Apr 2018 13:58:40 +0200 (CEST)
From: Wojciech Puchar <wojtek@puchar.net>
To: freebsd-hackers@freebsd.org
Subject: new laptop, no sound in spite of driver attaching
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and no idea where to search for a solution

FreeBSD laptop.wojtek.intra 11.1-STABLE FreeBSD 11.1-STABLE #2: Mon 
Apr 30 13:35:54 CEST 2018 
root@laptop.wojtek.intra:/usr/src/sys/amd64/compile/laptop  amd64


in dmesg
hdac0: <Intel (0x2284) HDA Controller> mem 0x91410000-0x91413fff irq 22 at device 27.0 on pci0
hdacc0: <Realtek ALC282 HDA CODEC> at cad 0 on hdac0
hdaa0: <Realtek ALC282 Audio Function Group> at nid 1 on hdacc0
pcm0: <Realtek ALC282 (Analog)> at nid 20 and 25 on hdaa0
pcm1: <Realtek ALC282 (Analog)> at nid 33 and 18 on hdaa0
hdacc1: <Intel (0x2883) HDA CODEC> at cad 2 on hdac0
hdaa1: <Intel (0x2883) Audio Function Group> at nid 1 on hdacc1
pcm2: <Intel (0x2883) (HDMI/DP 8ch)> at nid 5 on hdaa1


tried to change hw.snd.default_unit to 0, 1 or 2 - no sound in any case.

mixer when default_unit is 0

Mixer vol      is currently set to  65:65
Mixer pcm      is currently set to 100:100
Mixer speaker  is currently set to 100:100
Mixer mic      is currently set to   0:0
Mixer mix      is currently set to 100:100
Mixer rec      is currently set to   0:0
Mixer igain    is currently set to   0:0
Mixer ogain    is currently set to 100:100
Recording source: mic


mixer when default_unit is 1

Mixer vol      is currently set to 100:100
Mixer pcm      is currently set to 100:100
Mixer rec      is currently set to  37:37
Mixer igain    is currently set to   0:0
Mixer monitor  is currently set to  56:56

mixer when default_unit is 2

Mixer vol      is currently set to 100:100
Mixer pcm      is currently set to 100:100

this is HP 250 G5 laptop

please help