@hui.wang This is before changing the alsamixer and before plugged in the headset http://www.alsa-project.org/db/?f=d2bc312661205b5868695b5c23a669720ac1fe5d
This is after changing the alsamixer and plugged in the headset(sound coming though speaker and headset) http://www.alsa-project.org/db/?f=073766b215d6845aec7e4a26a012c1d48571cb31 This is after reduce the speaker volume to 0.( Now only headset is working) http://www.alsa-project.org/db/?f=15e4fb459a359ad064051af59be92088eef12512 -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1447909 Title: external mic not detected on machines with alc256 codec Status in HWE Next: Fix Released Status in linux package in Ubuntu: Fix Released Bug description: This bug is used for tracking, please do not triage. To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1447909/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp