Re: [PATCH v2] HID: input: map System Microphone Mute LED

From: Jiri Kosina

Date: Fri Sep 11 2026 - 12:12:05 EST


On Fri, 4 Sep 2026, Jonathan Jansen wrote:

> HUTRR110 defines LED page usage 0x57 as System Microphone Mute.
>
> The usage is currently ignored, so the indicator stays dark and
> userspace falls back to per-vendor code in hid-lenovo,
> hid-playstation, hid-plantronics.
>
> Map it to a new LED_MICMUTE. It appears as
> /sys/class/leds/inputN::micmute and uses the "audio-micmute"
> trigger from snd-ctl-led, so the LED follows the system-wide
> mic mute state the same way LED_MUTE (page 0x09) already does
> for speaker mute.
>
> LED_MICMUTE takes the next free code (0x0b).
>
> Link: https://www.usb.org/sites/default/files/hutrr110-systemmicrophonemute.pdf
>
> Signed-off-by: Jonathan Jansen <jonathanjansen@ait.place>
> ---
>
> Notes:
> Changes since v1: rewrote the commit message; no functional changes.
>
> drivers/hid/hid-debug.c | 2 +-
> drivers/hid/hid-input.c | 1 +

Acked-by: Jiri Kosina <jkosina@xxxxxxxx>

for the drivers/hid changes.

Dmitry, will you take this through your tree, please?

Thanks,

--
Jiri Kosina
SUSE Labs