do {
retval = hid_hw_raw_request(hdev, buf[0], buf, size, type,
HID_REQ_GET_REPORT);
- } while ((retval == -ETIMEDOUT || retval == -EPIPE) && --retries);
+ } while ((retval == -ETIMEDOUT || retval == -EAGAIN) && --retries);
+
+ if (retval < 0)
+ hid_err(hdev, "wacom_get_report: ran out of retries "
+ "(last error = %d)\n", retval);
return retval;
}
do {
retval = hid_hw_raw_request(hdev, buf[0], buf, size, type,
HID_REQ_SET_REPORT);
- } while ((retval == -ETIMEDOUT || retval == -EPIPE) && --retries);
+ } while ((retval == -ETIMEDOUT || retval == -EAGAIN) && --retries);
+
+ if (retval < 0)
+ hid_err(hdev, "wacom_set_report: ran out of retries "
+ "(last error = %d)\n", retval);
return retval;
}
break;
data[0] = field->report->id;
ret = wacom_get_report(hdev, HID_FEATURE_REPORT,
- data, 2, 0);
- if (ret == 2)
+ data, 2, WAC_CMD_RETRIES);
+ if (ret == 2) {
features->touch_max = data[1];
+ } else {
+ features->touch_max = 16;
+ hid_warn(hdev, "wacom_feature_mapping: "
+ "could not get HID_DG_CONTACTMAX, "
+ "defaulting to %d\n",
+ features->touch_max);
+ }
kfree(data);
}
break;
wacom_setup_device_quirks(wacom);
if (!features->device_type && features->type != WIRELESS) {
+ error = features->type == HID_GENERIC ? -ENODEV : 0;
+
dev_warn(&hdev->dev, "Unknown device_type for '%s'. %s.",
- hdev->name, "Assuming pen");
+ hdev->name,
+ error ? "Ignoring" : "Assuming pen");
+
+ if (error)
+ goto fail_shared_data;
features->device_type = BTN_TOOL_PEN;
}