Thanks, Kai-Heng!
Pressed the mute button several times:
orschiro@x230:~$ sudo evtest
No device specified, trying to scan all of /dev/input/event*
Available devices:
/dev/input/event0: Lid Switch
/dev/input/event1: Sleep Button
/dev/input/event2: Power Button
/dev/input/event3: AT Translated Set 2 keyboard
/dev/input/event4: Video Bus
/dev/input/event6: SynPS/2 Synaptics TouchPad
/dev/input/event7: ThinkPad Extra Buttons
/dev/input/event8: Integrated Camera
/dev/input/event9: HDA Intel PCH Mic
/dev/input/event10: HDA Intel PCH Dock Mic
/dev/input/event11: HDA Intel PCH Headphone
/dev/input/event12: HDA Intel PCH Dock Headphone
/dev/input/event13: HDA Intel PCH HDMI/DP,pcm=3
/dev/input/event14: HDA Intel PCH HDMI/DP,pcm=7
/dev/input/event15: HDA Intel PCH HDMI/DP,pcm=8
/dev/input/event16: TPPS/2 IBM TrackPoint
Select the device event number [0-16]: 7
Input driver version is 1.0.1
Input device ID: bus 0x19 vendor 0x17aa product 0x5054 version 0x4101
Input device name: "ThinkPad Extra Buttons"
Supported events:
Event type 0 (EV_SYN)
Event type 1 (EV_KEY)
Event code 113 (KEY_MUTE)
Event code 114 (KEY_VOLUMEDOWN)
Event code 115 (KEY_VOLUMEUP)
Event code 120 (KEY_SCALE)
Event code 142 (KEY_SLEEP)
Event code 144 (KEY_FILE)
Event code 148 (KEY_PROG1)
Event code 152 (KEY_SCREENLOCK)
Event code 158 (KEY_BACK)
Event code 171 (KEY_CONFIG)
Event code 173 (KEY_REFRESH)
Event code 190 (KEY_F20)
Event code 191 (KEY_F21)
Event code 194 (KEY_F24)
Event code 205 (KEY_SUSPEND)
Event code 212 (KEY_CAMERA)
Event code 217 (KEY_SEARCH)
Event code 224 (KEY_BRIGHTNESSDOWN)
Event code 225 (KEY_BRIGHTNESSUP)
Event code 227 (KEY_SWITCHVIDEOMODE)
Event code 228 (KEY_KBDILLUMTOGGLE)
Event code 236 (KEY_BATTERY)
Event code 237 (KEY_BLUETOOTH)
Event code 238 (KEY_WLAN)
Event code 240 (KEY_UNKNOWN)
Event code 364 (KEY_FAVORITES)
Event code 372 (KEY_ZOOM)
Event code 374 (KEY_KEYBOARD)
Event code 466 (KEY_FN_F1)
Event code 475 (KEY_FN_F10)
Event code 476 (KEY_FN_F11)
Event code 582 (KEY_VOICECOMMAND)
Event code 592 (KEY_BRIGHTNESS_MIN)
Event type 4 (EV_MSC)
Event code 4 (MSC_SCAN)
Event type 5 (EV_SW)
Event code 3 (SW_RFKILL_ALL) state 1
Properties:
Testing ... (interrupt to exit)
Event: time 1502871647.643633, type 4 (EV_MSC), code 4 (MSC_SCAN), value 1a
Event: time 1502871647.643633, type 1 (EV_KEY), code 190 (KEY_F20), value 1
Event: time 1502871647.643633, -------------- SYN_REPORT ------------
Event: time 1502871647.643659, type 4 (EV_MSC), code 4 (MSC_SCAN), value 1a
Event: time 1502871647.643659, type 1 (EV_KEY), code 190 (KEY_F20), value 0
Event: time 1502871647.643659, -------------- SYN_REPORT ------------
Event: time 1502871649.353737, type 4 (EV_MSC), code 4 (MSC_SCAN), value 1a
Event: time 1502871649.353737, type 1 (EV_KEY), code 190 (KEY_F20), value 1
Event: time 1502871649.353737, -------------- SYN_REPORT ------------
Event: time 1502871649.353760, type 4 (EV_MSC), code 4 (MSC_SCAN), value 1a
Event: time 1502871649.353760, type 1 (EV_KEY), code 190 (KEY_F20), value 0
Event: time 1502871649.353760, -------------- SYN_REPORT ------------
Event: time 1502871649.694179, type 4 (EV_MSC), code 4 (MSC_SCAN), value 1a
Event: time 1502871649.694179, type 1 (EV_KEY), code 190 (KEY_F20), value 1
Event: time 1502871649.694179, -------------- SYN_REPORT ------------
Event: time 1502871649.694203, type 4 (EV_MSC), code 4 (MSC_SCAN), value 1a
Event: time 1502871649.694203, type 1 (EV_KEY), code 190 (KEY_F20), value 0
Event: time 1502871649.694203, -------------- SYN_REPORT ------------
Event: time 1502871650.775219, type 4 (EV_MSC), code 4 (MSC_SCAN), value 1a
Event: time 1502871650.775219, type 1 (EV_KEY), code 190 (KEY_F20), value 1
Event: time 1502871650.775219, -------------- SYN_REPORT ------------
Event: time 1502871650.775247, type 4 (EV_MSC), code 4 (MSC_SCAN), value 1a
Event: time 1502871650.775247, type 1 (EV_KEY), code 190 (KEY_F20), value 0
Event: time 1502871650.775247, -------------- SYN_REPORT ------------
Event: time 1502871651.036025, type 4 (EV_MSC), code 4 (MSC_SCAN), value 1a
Event: time 1502871651.036025, type 1 (EV_KEY), code 190 (KEY_F20), value 1
Event: time 1502871651.036025, -------------- SYN_REPORT ------------
Event: time 1502871651.036048, type 4 (EV_MSC), code 4 (MSC_SCAN), value 1a
Event: time 1502871651.036048, type 1 (EV_KEY), code 190 (KEY_F20), value 0
Event: time 1502871651.036048, -------------- SYN_REPORT ------------
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https://bugs.launchpad.net/bugs/1708875
Title:
mute microphone button not working
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