[DragonFlyBSD - Bug #2090] (Feedback) snd_hda does not support headphone automute

Shane DragonFly via Redmine bugtracker-admin at leaf.dragonflybsd.org
Mon Feb 13 06:10:38 PST 2012

Issue #2090 has been updated by Shane DragonFly.

File hda_automute.patch added
Status changed from New to Feedback

The attached patch shuts down all speakers when something is plugged into a headphone jack.  This is done by enumerating the codec's widgets instead of using a static lookup table.  This patch also removes polling for headphone jack insertion because polling was configured via the lookup table.  If needed, polling can be re-added with a new sysctl which would correspond with how FBSD configures polling.
Bug #2090: snd_hda does not support headphone automute

Author: Justin C. Sherrill
Status: Feedback
Priority: Normal
Target version: 

The hda sound driver does not notice jack insert/removal events.  Even when
booted verbosely, there's no action, so attaching headphones does not mute
speaker audio.

An update to FreeBSD's sound/pci/hda expressly mentions solving this problem:


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