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authorTakashi Iwai <tiwai@suse.de>2012-08-20 21:26:04 +0200
committerTakashi Iwai <tiwai@suse.de>2012-08-20 21:26:04 +0200
commitf0b433e9f362e0b7f0ce7d1489dd7feba068605d (patch)
treed4bfd9489cf4a96a55d83af20919f477a846d585 /drivers/acpi/container.c
parentMerge branch 'topic/ca0132-fix' into for-linus (diff)
parentASoC: wm9712: Fix inverted capture volume (diff)
downloadlinux-f0b433e9f362e0b7f0ce7d1489dd7feba068605d.tar.xz
linux-f0b433e9f362e0b7f0ce7d1489dd7feba068605d.zip
Merge tag 'asoc-3.6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Additional updates for 3.6 A batch more bugfixes, all driver-specific and fairly small and unremarkable in a global context. The biggest batch are for the newly added Arizona drivers.
Diffstat (limited to 'drivers/acpi/container.c')
-rw-r--r--drivers/acpi/container.c43
1 files changed, 28 insertions, 15 deletions
diff --git a/drivers/acpi/container.c b/drivers/acpi/container.c
index 45cd03b4630e..1f9f7d7d7bc5 100644
--- a/drivers/acpi/container.c
+++ b/drivers/acpi/container.c
@@ -158,9 +158,7 @@ static void container_notify_cb(acpi_handle handle, u32 type, void *context)
int result;
int present;
acpi_status status;
-
-
- present = is_device_present(handle);
+ u32 ost_code = ACPI_OST_SC_NON_SPECIFIC_FAILURE; /* default */
switch (type) {
case ACPI_NOTIFY_BUS_CHECK:
@@ -169,32 +167,47 @@ static void container_notify_cb(acpi_handle handle, u32 type, void *context)
printk(KERN_WARNING "Container driver received %s event\n",
(type == ACPI_NOTIFY_BUS_CHECK) ?
"ACPI_NOTIFY_BUS_CHECK" : "ACPI_NOTIFY_DEVICE_CHECK");
+
+ present = is_device_present(handle);
status = acpi_bus_get_device(handle, &device);
- if (present) {
- if (ACPI_FAILURE(status) || !device) {
- result = container_device_add(&device, handle);
- if (!result)
- kobject_uevent(&device->dev.kobj,
- KOBJ_ONLINE);
- else
- printk(KERN_WARNING
- "Failed to add container\n");
- }
- } else {
+ if (!present) {
if (ACPI_SUCCESS(status)) {
/* device exist and this is a remove request */
+ device->flags.eject_pending = 1;
kobject_uevent(&device->dev.kobj, KOBJ_OFFLINE);
+ return;
}
+ break;
+ }
+
+ if (!ACPI_FAILURE(status) || device)
+ break;
+
+ result = container_device_add(&device, handle);
+ if (result) {
+ printk(KERN_WARNING "Failed to add container\n");
+ break;
}
+
+ kobject_uevent(&device->dev.kobj, KOBJ_ONLINE);
+ ost_code = ACPI_OST_SC_SUCCESS;
break;
+
case ACPI_NOTIFY_EJECT_REQUEST:
if (!acpi_bus_get_device(handle, &device) && device) {
+ device->flags.eject_pending = 1;
kobject_uevent(&device->dev.kobj, KOBJ_OFFLINE);
+ return;
}
break;
+
default:
- break;
+ /* non-hotplug event; possibly handled by other handler */
+ return;
}
+
+ /* Inform firmware that the hotplug operation has completed */
+ (void) acpi_evaluate_hotplug_ost(handle, type, ost_code, NULL);
return;
}