Merge remote-tracking branch 'spi/topic/designware' into spi-next
[firefly-linux-kernel-4.4.55.git] / drivers / hid / hid-lgff.c
index d7ea8c845b4038ec2a943baa6f169ade22e82e3d..e1394af0ae7ba06701ad106896fb9391c417d6c0 100644 (file)
@@ -128,27 +128,14 @@ static void hid_lgff_set_autocenter(struct input_dev *dev, u16 magnitude)
 int lgff_init(struct hid_device* hid)
 {
        struct hid_input *hidinput = list_entry(hid->inputs.next, struct hid_input, list);
-       struct list_head *report_list = &hid->report_enum[HID_OUTPUT_REPORT].report_list;
        struct input_dev *dev = hidinput->input;
-       struct hid_report *report;
-       struct hid_field *field;
        const signed short *ff_bits = ff_joystick;
        int error;
        int i;
 
-       /* Find the report to use */
-       if (list_empty(report_list)) {
-               hid_err(hid, "No output report found\n");
-               return -1;
-       }
-
        /* Check that the report looks ok */
-       report = list_entry(report_list->next, struct hid_report, list);
-       field = report->field[0];
-       if (!field) {
-               hid_err(hid, "NULL field\n");
-               return -1;
-       }
+       if (!hid_validate_values(hid, HID_OUTPUT_REPORT, 0, 0, 7))
+               return -ENODEV;
 
        for (i = 0; i < ARRAY_SIZE(devices); i++) {
                if (dev->id.vendor == devices[i].idVendor &&