Hi Jiri and Takashi, If at all possible, it would be preferred if this patch set could be sent upstream and to stable together. This patch set was tested by Wade and myself with multiple Poly/Plantronics product family headsets. Thanks, Terry Link v1: https://lore.kernel.org/linux-input/87zfl333uy.wl-tiwai@xxxxxxx/T/#t Link v2: https://lore.kernel.org/linux-input/4a25e5d0-5e09-4246-8d70-8083d3189d53@xxxxxxxxxxxxxxxxxxxxxx/T/#t Terry Junge (2): HID: hid-plantronics: Add mic mute mapping and generalize quirks ALSA: usb-audio: Add quirk for Plantronics headsets to fix control names drivers/hid/hid-plantronics.c | 144 ++++++++++++++++------------------ sound/usb/mixer_quirks.c | 51 ++++++++++++ 2 files changed, 118 insertions(+), 77 deletions(-) base-commit: 09a0fa92e5b45e99cf435b2fbf5ebcf889cf8780 -- 2.43.0