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path: root/drivers/hwmon/hp_accel.c
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Diffstat (limited to 'drivers/hwmon/hp_accel.c')
-rw-r--r--drivers/hwmon/hp_accel.c27
1 files changed, 27 insertions, 0 deletions
diff --git a/drivers/hwmon/hp_accel.c b/drivers/hwmon/hp_accel.c
index abf4dfc8ec22..dcefe1d2adbd 100644
--- a/drivers/hwmon/hp_accel.c
+++ b/drivers/hwmon/hp_accel.c
@@ -213,6 +213,30 @@ static struct delayed_led_classdev hpled_led = {
.set_brightness = hpled_set,
};
+static acpi_status
+lis3lv02d_get_resource(struct acpi_resource *resource, void *context)
+{
+ if (resource->type == ACPI_RESOURCE_TYPE_EXTENDED_IRQ) {
+ struct acpi_resource_extended_irq *irq;
+ u32 *device_irq = context;
+
+ irq = &resource->data.extended_irq;
+ *device_irq = irq->interrupts[0];
+ }
+
+ return AE_OK;
+}
+
+static void lis3lv02d_enum_resources(struct acpi_device *device)
+{
+ acpi_status status;
+
+ status = acpi_walk_resources(device->handle, METHOD_NAME__CRS,
+ lis3lv02d_get_resource, &adev.irq);
+ if (ACPI_FAILURE(status))
+ printk(KERN_DEBUG DRIVER_NAME ": Error getting resources\n");
+}
+
static int lis3lv02d_add(struct acpi_device *device)
{
u8 val;
@@ -247,6 +271,9 @@ static int lis3lv02d_add(struct acpi_device *device)
if (ret)
return ret;
+ /* obtain IRQ number of our device from ACPI */
+ lis3lv02d_enum_resources(adev.device);
+
ret = lis3lv02d_init_device(&adev);
if (ret) {
flush_work(&hpled_led.work);