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Add a detachment routine.

This commit is contained in:
jruoho 2010-01-31 19:49:29 +00:00
parent 166db9da2a
commit d9203cb513
1 changed files with 22 additions and 3 deletions
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25
sys/dev/acpi/dalb_acpi.c
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@ -1,4 +1,4 @@
/* $NetBSD: dalb_acpi.c,v 1.5 2010/01/08 20:40:41 dyoung Exp $ */
/* $NetBSD: dalb_acpi.c,v 1.6 2010/01/31 19:49:29 jruoho Exp $ */
/*-
* Copyright (c) 2008 Christoph Egger <cegger@netbsd.org>
@ -27,7 +27,7 @@
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: dalb_acpi.c,v 1.5 2010/01/08 20:40:41 dyoung Exp $");
__KERNEL_RCSID(0, "$NetBSD: dalb_acpi.c,v 1.6 2010/01/31 19:49:29 jruoho Exp $");
/*
* Direct Application Launch Button:
@ -68,6 +68,7 @@ struct acpi_dalb_softc {
static int acpi_dalb_match(device_t, cfdata_t, void *);
static void acpi_dalb_attach(device_t, device_t, void *);
static int acpi_dalb_detach(device_t, int);
static void acpi_dalb_notify_handler(ACPI_HANDLE, UINT32, void *);
static bool acpi_dalb_resume(device_t, pmf_qual_t);
@ -75,7 +76,7 @@ static void acpi_dalb_get_wakeup_hotkeys(void *opaque);
static void acpi_dalb_get_runtime_hotkeys(void *opaque);
CFATTACH_DECL_NEW(acpidalb, sizeof(struct acpi_dalb_softc),
acpi_dalb_match, acpi_dalb_attach, NULL, NULL);
acpi_dalb_match, acpi_dalb_attach, acpi_dalb_detach, NULL);
static const char * const acpi_dalb_ids[] = {
"PNP0C32", /* Direct Application Launch Button */
@ -190,6 +191,24 @@ acpi_dalb_attach(device_t parent, device_t self, void *aux)
aprint_error_dev(self, "couldn't establish power handler\n");
}
static int
acpi_dalb_detach(device_t self, int flags)
{
struct acpi_dalb_softc *sc = device_private(self);
ACPI_STATUS rv;
rv = AcpiRemoveNotifyHandler(sc->sc_node->ad_handle,
ACPI_ALL_NOTIFY, acpi_dalb_notify_handler);
if (ACPI_FAILURE(rv))
return EBUSY;
pmf_device_deregister(self);
sysmon_pswitch_unregister(&sc->sc_smpsw);
return 0;
}
static void
acpi_dalb_notify_handler(ACPI_HANDLE hdl, UINT32 notify, void *opaque)
{