** Description changed: - Steps: - 1. install and boot into OS - 2. connect an external microphone to system + After installing the latest artful kernel (Ubuntu-4.13.0-16.19), and + boot up the system with this kernel, we plug a headset to the headset + jack, then open the gnome-sound-setting, but we can not see the headset + microphone in it, there is only one internal microphone in it, as a + result we can't record the sound with the headset microphone. - Expected results: system could detect external microphone + This Dell machine has audio codec alc274, it needs to apply a fixup like + ALC269_FIXUP_DELL1_MIC_NO_PRESENCE. - Actual results: system can't detect external microphone + After applying this fixup in the kernel driver, the headset mic can be + detected and works fine.
-- 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/1731822 Title: system can't detect external microphone with the codec alc274 Status in HWE Next: Triaged Status in linux package in Ubuntu: Incomplete Bug description: After installing the latest artful kernel (Ubuntu-4.13.0-16.19), and boot up the system with this kernel, we plug a headset to the headset jack, then open the gnome-sound-setting, but we can not see the headset microphone in it, there is only one internal microphone in it, as a result we can't record the sound with the headset microphone. This Dell machine has audio codec alc274, it needs to apply a fixup like ALC269_FIXUP_DELL1_MIC_NO_PRESENCE. After applying this fixup in the kernel driver, the headset mic can be detected and works fine. To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1731822/+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
