If primary ID (HID) is invalid try locating first valid ID on compatible
ID list before giving up.
This helps, for example, to recognize i8042 AUX port on Sony Vaio VPCZ1
which uses SNYSYN0003 as HID. Without the patch users are forced to
boot with i8042.nopnp to make use of their touchpads.
Tested-by: Jan-Hendrik Zab <jan@jhz.name>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Signed-off-by: Len Brown <len.brown@intel.com>
#include "../base.h"
#include "pnpacpi.h"
#include "../base.h"
#include "pnpacpi.h"
/* We need only to blacklist devices that have already an acpi driver that
* can't use pnp layer. We don't need to blacklist device that are directly
/* We need only to blacklist devices that have already an acpi driver that
* can't use pnp layer. We don't need to blacklist device that are directly
};
EXPORT_SYMBOL(pnpacpi_protocol);
};
EXPORT_SYMBOL(pnpacpi_protocol);
+static char *pnpacpi_get_id(struct acpi_device *device)
+{
+ struct acpi_hardware_id *id;
+
+ list_for_each_entry(id, &device->pnp.ids, list) {
+ if (ispnpidacpi(id->id))
+ return id->id;
+ }
+
+ return NULL;
+}
+
static int __init pnpacpi_add_device(struct acpi_device *device)
{
acpi_handle temp = NULL;
acpi_status status;
struct pnp_dev *dev;
static int __init pnpacpi_add_device(struct acpi_device *device)
{
acpi_handle temp = NULL;
acpi_status status;
struct pnp_dev *dev;
struct acpi_hardware_id *id;
/*
struct acpi_hardware_id *id;
/*
* driver should not be loaded.
*/
status = acpi_get_handle(device->handle, "_CRS", &temp);
* driver should not be loaded.
*/
status = acpi_get_handle(device->handle, "_CRS", &temp);
- if (ACPI_FAILURE(status) || !ispnpidacpi(acpi_device_hid(device)) ||
- is_exclusive_device(device) || (!device->status.present))
+ if (ACPI_FAILURE(status))
+ return 0;
+
+ pnpid = pnpacpi_get_id(device);
+ if (!pnpid)
+ return 0;
+
+ if (is_exclusive_device(device) || !device->status.present)
- dev = pnp_alloc_dev(&pnpacpi_protocol, num, acpi_device_hid(device));
+ dev = pnp_alloc_dev(&pnpacpi_protocol, num, pnpid);
if (!dev)
return -ENOMEM;
if (!dev)
return -ENOMEM;
pnpacpi_parse_resource_option_data(dev);
list_for_each_entry(id, &device->pnp.ids, list) {
pnpacpi_parse_resource_option_data(dev);
list_for_each_entry(id, &device->pnp.ids, list) {
- if (!strcmp(id->id, acpi_device_hid(device)))
+ if (!strcmp(id->id, pnpid))
continue;
if (!ispnpidacpi(id->id))
continue;
continue;
if (!ispnpidacpi(id->id))
continue;