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    Call for help: Testing headset buttons

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      • CiberSheepC Offline
        CiberSheep
        last edited by CiberSheep

        Tested on: E5, Mx4
        SPORT-BT headphones (3 buttons)

        Event: time 1619297943.459023, type 1 (EV_KEY), code 165 (KEY_PREVIOUSSONG), value 1
Event: time 1619297951.530449, type 1 (EV_KEY), code 163 (KEY_NEXTSONG), value 1
Event: time 1619298113.371200, type 1 (EV_KEY), code 200 (KEY_PLAYCD), value 1

        Tested on: E5, Mx4
        Netway Sport (3 buttons), i20 (car)
        None 😞

        Another planet, another time, another universe!

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        • K Offline
          kugiigi
          last edited by

          I tried this on a Nexus 5 with wired and BT headsets, I don't get anything. Not sure if I'm doing it right 😅 I just see Testing....interrupt to stop

          rikR 1 Reply Last reply Reply Quote 0
          • poVoqP Offline
            poVoq
            last edited by

            On my car bluetooth kit with OnePlus3 I get:
            code 163 (KEY_NEXTSONG)
            code 165 (KEY_PREVIOUSSONG)

            Fairphone 5 (waiting for port)

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            • K Offline
              kugiigi
              last edited by

              This is on Lenovo M10 Plus FHD with Sony SBH24 BT headset. The system froze for a few moments when I pressed the first time but it registered them fine after that 🙂
              Lots of supported events but it only has one button - play/pause 😄
              evtest.jpg

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              • poVoqP Offline
                poVoq
                last edited by poVoq

                Any chance we will see working bluetooth buttons in the music player on the dev channel soon? Really looking forward to finally be able to fast forward songs in my car again 😉

                Fairphone 5 (waiting for port)

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                • mardyM Offline
                  mardy @flohack
                  last edited by mardy

                  Thanks @flohack for working on this! My test:

                  Wired headset with a single button, plugged into the BQ E4.5: the device appears as /dev/input/event1: ACCDET and reacts like this on button presses:

                  Event: time 1619503503.379042, type 1 (EV_KEY), code 164 (KEY_PLAYPAUSE), value 1
Event: time 1619503503.379054, type 1 (EV_KEY), code 164 (KEY_PLAYPAUSE), value 0
Event: time 1619503503.379059, -------------- SYN_REPORT ------------

                  The same headset is seen on the Xiaomi Note 7 Pro as /dev/input/event4: sm6150-idp-snd-card Button Jack and sends these two events on button press:

                  Event: time 1619504074.039626, type 1 (EV_KEY), code 226 (KEY_MEDIA), value 1
Event: time 1619504074.039626, -------------- SYN_REPORT ------------
Event: time 1619504074.039777, type 1 (EV_KEY), code 226 (KEY_MEDIA), value 0
Event: time 1619504074.039777, -------------- SYN_REPORT ------------
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                  • flohackF Offline
                    flohack
                    last edited by

                    Thanks guys!
                    Already a lot of good information. So the wired buttons it seems a bit easier, not so many variants:

                    1. KEY_MEDIA and KEY_PLAYPAUSE need to be handled for media playback and calls
                    2. we can agree that the meaning is PLAY or PAUSE, also for the MEDIA event
                    3. In case Music is playing it will pause the music, or continue playback if state is PAUSE
                    4. In case a call is signalled, the button should only pick up the call. Media playback will already be stopped by the telephony framework.
                    5. In case a call is active, the button should only end the call. Media playback will already be started again by the telephony framework.

                    My languages: 🇦🇹 🇩🇪 🇬🇧 🇺🇸

                    poVoqP 1 Reply Last reply Reply Quote 2
                    • poVoqP Offline
                      poVoq @flohack
                      last edited by

                      @flohack Cool, although bluetooth seems not too different either.

                      On my wired headset and the Oneplus3 I also noticed evtest events on a different device for plugging in the headset and removing it from the headset socket. I guess that would also be useful to support in the music player?

                      Fairphone 5 (waiting for port)

                      flohackF 1 Reply Last reply Reply Quote 0
                      • flohackF Offline
                        flohack @poVoq
                        last edited by

                        @povoq That should be the events that switch the audio sink to the headset. That should already be handled properly otherwise you would not hear anything 😉

                        My languages: 🇦🇹 🇩🇪 🇬🇧 🇺🇸

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                        • poVoqP Offline
                          poVoq @flohack
                          last edited by

                          Ah, I guess. Sometimes it seems to get confused though switching away from bluetooth devices etc.

                          Fairphone 5 (waiting for port)

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                          • Mario.CHM Offline
                            Mario.CH
                            last edited by

                            Device Sony Xperia X (F5121)
                            When plugging in the original Inears headset <MHA750>, the volume control changes from speaker to earphone, then drops right back to speaker after about 1.5 seconds.

                            I tried the evtest anyway with the following 2 results, not sure if they are helpful. Because nothing really happened during the test run, not until I opened the <write to file> file to see what happened.

                            Available devices:
/dev/input/event0:	qpnp_pon
/dev/input/event1:	bu520x1nvx
/dev/input/event2:	somc_chg_unplug_key
/dev/input/event3:	gpio-keys
/dev/input/event4:	clearpad
/dev/input/event5:	msm8976-tasha-snd-card Headset Jack
/dev/input/event6:	msm8976-tasha-snd-card Button Jack
Select the device event number  [0-6]: 6
Input driver version is 1.0.1
Input device ID: bus 0x0 vendor 0x0 product 0x0 version 0x0
Input device name: "msm8976-tasha-snd-card Button Jack"
Supported events:
  Event type 0 (EV_SYN)
  Event type 1 (EV_KEY)
    Event code 114 (KEY_VOLUMEDOWN)
    Event code 115 (KEY_VOLUMEUP)
    Event code 226 (KEY_MEDIA)
    Event code 260 (BTN_4)
    Event code 261 (BTN_5)
    Event code 582 (KEY_VOICECOMMAND)
Properties:
  Property type 6 (?)
Testing ... (interrupt to exit)

second test
<dito>
Select the device event number  [0-6]: 5
Input driver version is 1.0.1
Input device ID: bus 0x0 vendor 0x0 product 0x0 version 0x0
Input device name: "msm8976-tasha-snd-card Headset Jack"
Supported events:
  Event type 0 (EV_SYN)
  Event type 5 (EV_SW)
    Event code 2 (SW_HEADPHONE_INSERT) state 0
    Event code 4 (SW_MICROPHONE_INSERT) state 0
    Event code 6 (SW_LINEOUT_INSERT) state 0
    Event code 7 (SW_JACK_PHYSICAL_INSERT) state 0
    Event code 15 (?) state 0
    Event code 16 (?) state 0
    Event code 17 (?) state 0
    Event code 18 (?) state 0
Properties:
Testing ... (interrupt to exit)

Event: time 1619464909.762451, type 5 (EV_SW), code 2 (SW_HEADPHONE_INSERT), value 1
Event: time 1619464909.762451, type 5 (EV_SW), code 4 (SW_MICROPHONE_INSERT), value 1
Event: time 1619464909.762451, type 5 (EV_SW), code 7 (SW_JACK_PHYSICAL_INSERT), value 1
Event: time 1619464909.762451, type 5 (EV_SW), code 17 (?), value 1
Event: time 1619464909.762451, -------------- SYN_REPORT ------------
Event: time 1619464910.860134, type 5 (EV_SW), code 2 (SW_HEADPHONE_INSERT), value 0
Event: time 1619464910.860134, type 5 (EV_SW), code 4 (SW_MICROPHONE_INSERT), value 0
Event: time 1619464910.860134, type 5 (EV_SW), code 7 (SW_JACK_PHYSICAL_INSERT), value 0
Event: time 1619464910.860134, type 5 (EV_SW), code 17 (?), value 0
Event: time 1619464910.860134, -------------- SYN_REPORT ------------
Event: time 1619464946.781515, type 5 (EV_SW), code 2 (SW_HEADPHONE_INSERT), value 1
Event: time 1619464946.781515, type 5 (EV_SW), code 4 (SW_MICROPHONE_INSERT), value 1
Event: time 1619464946.781515, type 5 (EV_SW), code 7 (SW_JACK_PHYSICAL_INSERT), value 1
Event: time 1619464946.781515, type 5 (EV_SW), code 17 (?), value 1
Event: time 1619464946.781515, -------------- SYN_REPORT ------------
Event: time 1619464952.772939, type 5 (EV_SW), code 2 (SW_HEADPHONE_INSERT), value 0
Event: time 1619464952.772939, type 5 (EV_SW), code 4 (SW_MICROPHONE_INSERT), value 0
Event: time 1619464952.772939, type 5 (EV_SW), code 7 (SW_JACK_PHYSICAL_INSERT), value 0
Event: time 1619464952.772939, type 5 (EV_SW), code 17 (?), value 0

                            Is this helpful ?

                            📱 Oneplus Nord N100 UT20.40 (OTA5); then Xperia X (since 2020) at last UT 20.04(OTA5), now out of service due to defective camera
                            🐎 When you realize you are riding a dead horse, get off!
                            My languages skill: 🇨🇭🇦🇹 🇩🇪, and only orally: 🇬🇧 🇹🇭

                            flohackF 1 Reply Last reply Reply Quote 1
                            • flohackF Offline
                              flohack @Mario.CH
                              last edited by

                              @mario-ch Well partially, but normally the evdev for inserting and removing headsets is different from the button control. So with the button device nothing happened? I guess that would be the right one...

                              My languages: 🇦🇹 🇩🇪 🇬🇧 🇺🇸

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                              • Mario.CHM Offline
                                Mario.CH @flohack
                                last edited by

                                @flohack So, I now played a song as a comparison and plugged in the Inears headset.
                                The Jack has switched from speaker to earphone and I could hear the music, but the volume buttons did not work.
                                In addition, the Evtest with <6>; with the same result as above (first test), namely nothing.

                                📱 Oneplus Nord N100 UT20.40 (OTA5); then Xperia X (since 2020) at last UT 20.04(OTA5), now out of service due to defective camera
                                🐎 When you realize you are riding a dead horse, get off!
                                My languages skill: 🇨🇭🇦🇹 🇩🇪, and only orally: 🇬🇧 🇹🇭

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                                • ? Offline
                                  A Former User
                                  last edited by

                                  I'm a bit late, but here's my version of events:

                                  Devices:
                                  Cosmo Communicator
                                  PinePhone Rev1.2b

                                  Headsets:
                                  3 different sets of wired headsets, one with 3 buttons, one with 2 buttons, one with 1 button

                                  On the Cosmo, selecting:
                                  '/dev/input/event0: ACCDET'

                                  For all buttons on all headsets I get:
                                  type 1 (EV_KEY), code 164 (KEY_PLAYPAUSE), value 0
                                  -------------- SYN_REPORT ------------
                                  type 1 (EV_KEY), code 164 (KEY_PLAYPAUSE), value 1
                                  -------------- SYN_REPORT ------------

                                  There were 'Event code 114 (KEY_VOLUMEDOWN)' and 'Event code 115 (KEY_VOLUMEUP)' amongst other things listed in the 'Supported events' list, but I didn't see them on any button press.

                                  On the PinePhone, after entering 'evtest' I got no 'Available devices', after entering 'sudo evtest' I got some choices, but none gave any response.

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                                  • c4pp4C Offline
                                    c4pp4
                                    last edited by

                                    Device: Xiaomi Mi A2
                                    Wired USB earphones with three buttons: Mi Dual Driver Earphones (Type-C) (https://www.amazon.de/XIAOMI-Kopfhörer-Weiß-Audio-Stecker/dp/B07MLRXJBC)

                                    Available devices:
/dev/input/event0:      qpnp_pon
/dev/input/event1:      NVTCapacitiveTouchScreen
/dev/input/event2:      uinput-goodix
/dev/input/event3:      hall-switch-input
/dev/input/event4:      gpio-keys
/dev/input/event5:      sdm660-snd-card Headset Jack
/dev/input/event6:      sdm660-snd-card Button Jack
/dev/input/event7:      uinput-fpc
Select the device event number [0-7]: 6
Input driver version is 1.0.1
Input device ID: bus 0x0 vendor 0x0 product 0x0 version 0x0
Input device name: "sdm660-snd-card Button Jack"
Supported events:
  Event type 0 (EV_SYN)
  Event type 1 (EV_KEY)
    Event code 114 (KEY_VOLUMEDOWN)
    Event code 115 (KEY_VOLUMEUP)
    Event code 226 (KEY_MEDIA)
    Event code 260 (BTN_4)
    Event code 261 (BTN_5)
    Event code 582 (KEY_VOICECOMMAND)
Properties:
  Property type 6 (?)
Testing ... (interrupt to exit)
Event: time 1620770065.854970, type 1 (EV_KEY), code 115 (KEY_VOLUMEUP), value 1
Event: time 1620770065.854970, -------------- SYN_REPORT ------------
Event: time 1620770065.855140, type 1 (EV_KEY), code 115 (KEY_VOLUMEUP), value 0
Event: time 1620770065.855140, -------------- SYN_REPORT ------------
Event: time 1620770067.377695, type 1 (EV_KEY), code 226 (KEY_MEDIA), value 1
Event: time 1620770067.377695, -------------- SYN_REPORT ------------
Event: time 1620770067.377772, type 1 (EV_KEY), code 226 (KEY_MEDIA), value 0
Event: time 1620770067.377772, -------------- SYN_REPORT ------------
Event: time 1620770068.851389, type 1 (EV_KEY), code 114 (KEY_VOLUMEDOWN), value 1
Event: time 1620770068.851389, -------------- SYN_REPORT ------------
Event: time 1620770068.851508, type 1 (EV_KEY), code 114 (KEY_VOLUMEDOWN), value 0
Event: time 1620770068.851508, -------------- SYN_REPORT ------------
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                                    • poVoqP Offline
                                      poVoq @c4pp4
                                      last edited by

                                      @c4pp4 Ah, cool, so USB headset audio is already supported? That would be nice to add to the button support as well.

                                      Fairphone 5 (waiting for port)

                                      flohackF 1 Reply Last reply Reply Quote 0
                                      • flohackF Offline
                                        flohack @poVoq
                                        last edited by

                                        @povoq Well headset audio should work for music with any headset (wired, BT) but call audio seems to be broken for BT.

                                        My languages: 🇦🇹 🇩🇪 🇬🇧 🇺🇸

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                                        • poVoqP Offline
                                          poVoq @flohack
                                          last edited by

                                          @flohack Well, I was surprised as "wired" as in headphone jack is completly different from USB headsets.

                                          Fairphone 5 (waiting for port)

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                                          • flohackF Offline
                                            flohack @poVoq
                                            last edited by

                                            @povoq Ohh I see. That would be new, that USB devices work 😉

                                            My languages: 🇦🇹 🇩🇪 🇬🇧 🇺🇸

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                                            • CiberSheepC Offline
                                              CiberSheep @flohack
                                              last edited by

                                              Oh, I didn't understand I could test wired ones 😄
                                              I have ones of those white, hard ones with 3 buttons, vol+, vol- and white button:

                                              Select the device event number [0-5]: 4
Input driver version is 1.0.1
Input device ID: bus 0x19 vendor 0x0 product 0x0 version 0x0
Input device name: "ACCDET"
[...]
Properties:
Testing ... (interrupt to exit)
Event: time 1620815706.095935, type 1 (EV_KEY), code 164 (KEY_PLAYPAUSE), value 1
Event: time 1620815706.095935, type 1 (EV_KEY), code 164 (KEY_PLAYPAUSE), value 0

                                              Only white central button works, not the volume ones

                                              Another planet, another time, another universe!

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