Hi, it turned out that the recent mobos shipped with Realtek codec need more workarounds. In the end, most of the fixes here are generic issues, hence marked for stable. The bugtracker is at: https://bugzilla.kernel.org/show_bug.cgi?id=206873 Takashi === Takashi Iwai (4): ALSA: usb-audio: Filter error from connector kctl ops, too ALSA: usb-audio: Don't override ignore_ctl_error value from the map ALSA: usb-audio: Don't create jack controls for PCM terminals ALSA: usb-audio: Check mapping at creating connector controls, too sound/usb/mixer.c | 31 +++++++++++++++++++------------ sound/usb/mixer_maps.c | 4 +++- 2 files changed, 22 insertions(+), 13 deletions(-) -- 2.16.4