Automatic sound switching and Support audio devices with more than 2 channels

[probonopd]

Backport

• Automatic sound switching #369
• Support audio devices with more than 2 channels #370

Summary by Sourcery

Backport sysctl configuration changes to enable automatic audio device switching and support for multi-channel USB audio.

Enhancements:

• Enable automatic audio device switching with hw.snd.default_auto=2
• Support USB audio devices with more than two channels by setting hw.usb.uaudio.default_channels=6

[ghostbsd-bot]

Can one of the admins verify this patch?

[sourcery-ai]

Reviewer's Guide

Backports audio-related sysctl settings from PRs #369 and #370 by updating sysctl.conf to enable automatic audio device switching and increase USB audio channel support.

Class diagram for updated sysctl.conf audio settings

classDiagram
    class sysctl.conf {
        +kern.ipc.shm_allow_removed=1
        +kern.sched.preempt_thresh=224
        +kern.geom.part.mbr.enforce_chs=0
        +hw.snd.default_auto=2
        +hw.usb.uaudio.default_channels=6
    }

Loading

File-Level Changes

Change	Details	Files
Introduce sysctl options for improved audio handling	Enable automatic switching between audio devices (e.g., HDMI to USB) Allow USB audio devices to use up to 6 channels	sbin/sysctl/sysctl.conf

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[ericbsd]

LGTM

[ericbsd]

test this

[ericbsd]

I let Jenkins run, and I will merge when it is completed.