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ACPI: dock: check if parent is on dock 

When determining if a device is on a dock station, we should
check the parent of the device as well.

Signed-off-by:  Kristen Carlson Accardi <kristen.c.accardi@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
This commit is contained in:
Kristen Carlson Accardi 2007-02-02 22:33:00 -05:00 committed by Len Brown
parent e47fddf247
commit fe9a2f77e5
1 changed files with 12 additions and 4 deletions
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16
drivers/acpi/dock.c
View File

@ -615,20 +615,28 @@ static acpi_status
find_dock_devices(acpi_handle handle, u32 lvl, void *context, void **rv)
{
acpi_status status;
acpi_handle tmp;
acpi_handle tmp, parent;
struct dock_station *ds = context;
struct dock_dependent_device *dd;
status = acpi_bus_get_ejd(handle, &tmp);
if (ACPI_FAILURE(status))
return AE_OK;
if (ACPI_FAILURE(status)) {
/* try the parent device as well */
status = acpi_get_parent(handle, &parent);
if (ACPI_FAILURE(status))
goto fdd_out;
/* see if parent is dependent on dock */
status = acpi_bus_get_ejd(parent, &tmp);
if (ACPI_FAILURE(status))
goto fdd_out;
}
if (tmp == ds->handle) {
dd = alloc_dock_dependent_device(handle);
if (dd)
add_dock_dependent_device(ds, dd);
}
fdd_out:
return AE_OK;
}