Comment 12 for bug 1252733

https://git.kernel.org/cgit/linux/kernel/git/tiwai/sound.git/commit/sound/pci/hda/patch_realtek.c?id=f47e5dc464251f661da9495fcbf003a0d22c1360

have you ask the author who add support if you PC ?

do you use headset provided by dell since there are two kind of headset using trrs Jack ?

omtp or cita