The branch main has been updated by obiwac:

URL: 
https://cgit.FreeBSD.org/src/commit/?id=7e7f8b2c66410bcc6408482be73bd9c059e2bbe2

commit 7e7f8b2c66410bcc6408482be73bd9c059e2bbe2
Author:     Aymeric Wibo <[email protected]>
AuthorDate: 2026-06-20 21:29:49 +0000
Commit:     Aymeric Wibo <[email protected]>
CommitDate: 2026-06-24 14:12:51 +0000

    acpi_ibm: Report mic mute key evdev events
    
    While here, make the naming of micmute_led more consistent.
    
    PR:             296140
    Event:          Halifax Hackathon 202606
    Reported by:    David Lundqvist
    Reviewed by:    olce
    Tested by:      David Lundqvist, Oleksandr Kryvulia
    Co-authored-by: David Lundqvist
    Sponsored by:   The FreeBSD Foundation
---
 share/man/man4/acpi_ibm.4       |  6 +++-
 sys/dev/acpi_support/acpi_ibm.c | 72 ++++++++++++++++++++++++-----------------
 2 files changed, 47 insertions(+), 31 deletions(-)

diff --git a/share/man/man4/acpi_ibm.4 b/share/man/man4/acpi_ibm.4
index 1d9d43376f9d..4984fd4987d4 100644
--- a/share/man/man4/acpi_ibm.4
+++ b/share/man/man4/acpi_ibm.4
@@ -23,7 +23,7 @@
 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 .\" SUCH DAMAGE.
 .\"
-.Dd March 13, 2022
+.Dd June 22, 2026
 .Dt ACPI_IBM 4
 .Os
 .Sh NAME
@@ -141,6 +141,8 @@ Volume Down
 Mute
 .It Li 0x18
 Access IBM Button
+.It Li 0x1b
+Mic Mute Button
 .El
 .Ss Xr led 4 Interface
 The
@@ -230,6 +232,8 @@ Volume Down
 Mute
 .It Li 8388608
 Access IBM Button
+.It Li 67108864
+Mic Mute
 .El
 .It Va dev.acpi_ibm.0.hotkey
 (read-only)
diff --git a/sys/dev/acpi_support/acpi_ibm.c b/sys/dev/acpi_support/acpi_ibm.c
index a33a2c7bc555..f2a2db2de657 100644
--- a/sys/dev/acpi_support/acpi_ibm.c
+++ b/sys/dev/acpi_support/acpi_ibm.c
@@ -79,7 +79,7 @@ ACPI_MODULE_NAME("IBM")
 #define ACPI_IBM_METHOD_FANSTATUS      12
 #define ACPI_IBM_METHOD_THERMAL                13
 #define ACPI_IBM_METHOD_HANDLEREVENTS  14
-#define ACPI_IBM_METHOD_MIC_LED                15
+#define ACPI_IBM_METHOD_MICMUTE_LED    15
 #define ACPI_IBM_METHOD_PRIVACYGUARD   16
 
 /* Hotkeys/Buttons */
@@ -153,6 +153,7 @@ ACPI_MODULE_NAME("IBM")
 #define IBM_EVENT_VOLUME_DOWN          0x16
 #define IBM_EVENT_MUTE                 0x17
 #define IBM_EVENT_ACCESS_IBM_BUTTON    0x18
+#define IBM_EVENT_MICMUTE              0x1b
 
 /* Device-specific register flags */
 #define IBM_FLAG_PRIVACYGUARD_DEVICE_PRESENT   0x10000
@@ -189,8 +190,8 @@ struct acpi_ibm_softc {
        int             led_state;
 
        /* Mic led handle */
-       ACPI_HANDLE     mic_led_handle;
-       int             mic_led_state;
+       ACPI_HANDLE     micmute_led_handle;
+       int             micmute_led_state;
 
        int             wlan_bt_flags;
        int             thermal_updt_supported;
@@ -281,7 +282,7 @@ static struct {
        },
        {
                .name           = "mic_led",
-               .method         = ACPI_IBM_METHOD_MIC_LED,
+               .method         = ACPI_IBM_METHOD_MICMUTE_LED,
                .description    = "Mic mute led",
        },
        {
@@ -419,7 +420,7 @@ ibm_led_task(struct acpi_ibm_softc *sc, int pending 
__unused)
 }
 
 static int
-acpi_ibm_mic_led_set(struct acpi_ibm_softc *sc, int arg)
+acpi_ibm_micmute_led_set(struct acpi_ibm_softc *sc, int arg)
 {
        ACPI_OBJECT_LIST input;
        ACPI_OBJECT params[1];
@@ -428,10 +429,10 @@ acpi_ibm_mic_led_set(struct acpi_ibm_softc *sc, int arg)
        if (arg < 0 || arg > 1)
                return (EINVAL);
 
-       if (sc->mic_led_handle) {
+       if (sc->micmute_led_handle) {
                params[0].Type = ACPI_TYPE_INTEGER;
                params[0].Integer.Value = 0;
-               /* mic led: 0 off, 2 on */
+               /* mic mute led: 0 off, 2 on */
                if (arg == 1)
                        params[0].Integer.Value = 2;
 
@@ -440,7 +441,7 @@ acpi_ibm_mic_led_set(struct acpi_ibm_softc *sc, int arg)
 
                status = AcpiEvaluateObject(sc->handle, "MMTS", &input, NULL);
                if (ACPI_SUCCESS(status))
-                       sc->mic_led_state = arg;
+                       sc->micmute_led_state = arg;
                return (status);
        }
 
@@ -503,6 +504,7 @@ acpi_ibm_attach(device_t dev)
        evdev_support_event(sc->evdev, EV_KEY);
        evdev_support_key(sc->evdev, KEY_BRIGHTNESSUP);
        evdev_support_key(sc->evdev, KEY_BRIGHTNESSDOWN);
+       evdev_support_key(sc->evdev, KEY_MICMUTE);
 
        if (evdev_register(sc->evdev) != 0)
                return (ENXIO);
@@ -681,7 +683,7 @@ acpi_ibm_resume(device_t dev)
        ACPI_SERIAL_END(ibm);
 
        /* The mic led does not turn back on when sysctl_set is called in the 
above loop */
-       acpi_ibm_mic_led_set(sc, sc->mic_led_state);
+       acpi_ibm_micmute_led_set(sc, sc->micmute_led_state);
 
        return (0);
 }
@@ -872,9 +874,9 @@ acpi_ibm_sysctl_get(struct acpi_ibm_softc *sc, int method)
                        val = -1;
                break;
 
-       case ACPI_IBM_METHOD_MIC_LED:
-               if (sc->mic_led_handle)
-                       return sc->mic_led_state;
+       case ACPI_IBM_METHOD_MICMUTE_LED:
+               if (sc->micmute_led_handle)
+                       return sc->micmute_led_state;
                else
                        val = -1;
                break;
@@ -926,8 +928,8 @@ acpi_ibm_sysctl_set(struct acpi_ibm_softc *sc, int method, 
int arg)
                return acpi_ibm_mute_set(sc, arg);
                break;
 
-       case ACPI_IBM_METHOD_MIC_LED:
-               return acpi_ibm_mic_led_set(sc, arg);
+       case ACPI_IBM_METHOD_MICMUTE_LED:
+               return acpi_ibm_micmute_led_set(sc, arg);
                break;
 
        case ACPI_IBM_METHOD_THINKLIGHT:
@@ -1001,14 +1003,14 @@ acpi_ibm_sysctl_init(struct acpi_ibm_softc *sc, int 
method)
                /* EC is required here, which was already checked before */
                return (TRUE);
 
-       case ACPI_IBM_METHOD_MIC_LED:
-               if (ACPI_SUCCESS(AcpiGetHandle(sc->handle, "MMTS", 
&sc->mic_led_handle)))
-               {
+       case ACPI_IBM_METHOD_MICMUTE_LED:
+               if (ACPI_SUCCESS(AcpiGetHandle(sc->handle, "MMTS",
+                   &sc->micmute_led_handle))) {
                        /* Turn off mic led by default */
-                       acpi_ibm_mic_led_set(sc, 0);
+                       acpi_ibm_micmute_led_set(sc, 0);
                        return (TRUE);
                } else
-                       sc->mic_led_handle = NULL;
+                       sc->micmute_led_handle = NULL;
                return (FALSE);
 
        case ACPI_IBM_METHOD_THINKLIGHT:
@@ -1508,7 +1510,7 @@ acpi_ibm_eventhandler(struct acpi_ibm_softc *sc, int arg)
 static void
 acpi_ibm_notify(ACPI_HANDLE h, UINT32 notify, void *context)
 {
-       int             event, arg, type;
+       int             event, arg, type, key;
        device_t        dev = context;
        struct acpi_ibm_softc *sc = device_get_softc(dev);
 
@@ -1535,16 +1537,26 @@ acpi_ibm_notify(ACPI_HANDLE h, UINT32 notify, void 
*context)
                        if (sc->handler_events & (1 << (arg - 1)))
                                acpi_ibm_eventhandler(sc, (arg & 0xff));
 #ifdef EVDEV_SUPPORT
-                       else if ((arg & 0xff) == IBM_EVENT_BRIGHTNESS_UP ||
-                           (arg & 0xff) == IBM_EVENT_BRIGHTNESS_DOWN) {
-                               uint16_t key;
-
-                               key = arg == IBM_EVENT_BRIGHTNESS_UP ?
-                                   KEY_BRIGHTNESSUP : KEY_BRIGHTNESSDOWN;
-                               evdev_push_key(sc->evdev, key, 1);
-                               evdev_sync(sc->evdev);
-                               evdev_push_key(sc->evdev, key, 0);
-                               evdev_sync(sc->evdev);
+                       else {
+                               key = -1;
+
+                               switch (arg & 0xff) {
+                               case IBM_EVENT_BRIGHTNESS_UP:
+                                       key = KEY_BRIGHTNESSUP;
+                                       break;
+                               case IBM_EVENT_BRIGHTNESS_DOWN:
+                                       key = KEY_BRIGHTNESSDOWN;
+                                       break;
+                               case IBM_EVENT_MICMUTE:
+                                       key = KEY_MICMUTE;
+                                       break;
+                               }
+                               if (key >= 0) {
+                                       evdev_push_key(sc->evdev, key, 1);
+                                       evdev_sync(sc->evdev);
+                                       evdev_push_key(sc->evdev, key, 0);
+                                       evdev_sync(sc->evdev);
+                               }
                        }
 #endif
 

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