Author: eadler
Date: Sun Jun 17 20:44:20 2018
New Revision: 335304
URL: https://svnweb.freebsd.org/changeset/base/335304
Log:
acpi: Add support for Thinkpads Mic led
PR: 229074
Submitted by: "Ali Abdallah" <ali...@gmail.com>
Modified:
head/sys/dev/acpi_support/acpi_ibm.c
Modified: head/sys/dev/acpi_support/acpi_ibm.c
==============================================================================
--- head/sys/dev/acpi_support/acpi_ibm.c Sun Jun 17 20:33:02 2018
(r335303)
+++ head/sys/dev/acpi_support/acpi_ibm.c Sun Jun 17 20:44:20 2018
(r335304)
@@ -74,6 +74,7 @@ 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
/* Hotkeys/Buttons */
#define IBM_RTC_HOTKEY1 0x64
@@ -175,6 +176,10 @@ struct acpi_ibm_softc {
int led_busy;
int led_state;
+ /* Mic led handle */
+ ACPI_HANDLE mic_led_handle;
+ int mic_led_state;
+
int wlan_bt_flags;
int thermal_updt_supported;
@@ -258,7 +263,11 @@ static struct {
.method = ACPI_IBM_METHOD_FANSTATUS,
.description = "Fan enable",
},
-
+ {
+ .name = "mic_led",
+ .method = ACPI_IBM_METHOD_MIC_LED,
+ .description = "Mic led",
+ },
{ NULL, 0, NULL, 0 }
};
@@ -371,6 +380,35 @@ ibm_led_task(struct acpi_ibm_softc *sc, int pending __
}
static int
+acpi_ibm_mic_led_set (struct acpi_ibm_softc *sc, int arg)
+{
+ ACPI_OBJECT_LIST input;
+ ACPI_OBJECT params[1];
+ ACPI_STATUS status;
+
+ if (arg < 0 || arg > 1)
+ return (EINVAL);
+
+ if (sc->mic_led_handle) {
+ params[0].Type = ACPI_TYPE_INTEGER;
+ params[0].Integer.Value = 0;
+ /* mic led: 0 off, 2 on */
+ if (arg == 1)
+ params[0].Integer.Value = 2;
+
+ input.Pointer = params;
+ input.Count = 1;
+
+ status = AcpiEvaluateObject (sc->handle, "MMTS", &input, NULL);
+ if (ACPI_SUCCESS(status))
+ sc->mic_led_state = arg;
+ return(status);
+ }
+
+ return (0);
+}
+
+static int
acpi_ibm_probe(device_t dev)
{
if (acpi_disabled("ibm") ||
@@ -552,6 +590,9 @@ 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);
+
return (0);
}
@@ -739,6 +780,12 @@ acpi_ibm_sysctl_get(struct acpi_ibm_softc *sc, int met
else
val = -1;
break;
+ case ACPI_IBM_METHOD_MIC_LED:
+ if (sc->mic_led_handle)
+ return sc->mic_led_state;
+ else
+ val = -1;
+ break;
}
return (val);
@@ -783,6 +830,10 @@ acpi_ibm_sysctl_set(struct acpi_ibm_softc *sc, int met
return acpi_ibm_mute_set(sc, arg);
break;
+ case ACPI_IBM_METHOD_MIC_LED:
+ return acpi_ibm_mic_led_set (sc, arg);
+ break;
+
case ACPI_IBM_METHOD_THINKLIGHT:
return acpi_ibm_thinklight_set(sc, arg);
break;
@@ -841,6 +892,17 @@ acpi_ibm_sysctl_init(struct acpi_ibm_softc *sc, int me
case ACPI_IBM_METHOD_MUTE:
/* 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)))
+ {
+ /* Turn off mic led by default */
+ acpi_ibm_mic_led_set (sc, 0);
+ return(TRUE);
+ }
+ else
+ sc->mic_led_handle = NULL;
+ return (FALSE);
case ACPI_IBM_METHOD_THINKLIGHT:
sc->cmos_handle = NULL;
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