Skip site navigation (1)Skip section navigation (2) 
Date:      Sun, 17 Jun 2018 20:44:21 +0000 (UTC)
From:      Eitan Adler <eadler@FreeBSD.org>
To:        src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org
Subject:   svn commit: r335304 - head/sys/dev/acpi_support
Message-ID:  <201806172044.w5HKiLOl027104@repo.freebsd.org>
next in thread | raw e-mail | index | archive | help 
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" <aliovx@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;

Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?201806172044.w5HKiLOl027104>