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From: Warner Losh <imp@FreeBSD.org>
Date: Sun, 12 Mar 2017 18:00:02 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
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Subject: svn commit: r315166 - head/sys/dev/acpica
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Author: imp
Date: Sun Mar 12 18:00:02 2017
New Revision: 315166
URL: https://svnweb.freebsd.org/changeset/base/315166

Log:
  Export the actual LID state via sysctl. This allows more complex
  policies about when to suspend based on other events happening AND the
  lid being closed through the use of clever devd or other scripts.

Modified:
  head/sys/dev/acpica/acpi_lid.c

Modified: head/sys/dev/acpica/acpi_lid.c
==============================================================================
--- head/sys/dev/acpica/acpi_lid.c	Sun Mar 12 17:43:45 2017	(r315165)
+++ head/sys/dev/acpica/acpi_lid.c	Sun Mar 12 18:00:02 2017	(r315166)
@@ -122,6 +122,14 @@ acpi_lid_attach(device_t dev)
     if (acpi_parse_prw(sc->lid_handle, &prw) == 0)
 	AcpiEnableGpe(prw.gpe_handle, prw.gpe_bit);
 
+    /*
+     * Export the lid status
+     */
+    SYSCTL_ADD_INT(device_get_sysctl_ctx(dev),
+	SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO,
+	"state", CTLFLAG_RD, &sc->lid_status, 0,
+	"Device set to wake the system");
+
     return (0);
 }