HID: hid-goodix: Return 0 when receiving an empty HID feature package

Align with the i2c-hid driver by returning 0 instead of -EINVAL when
an empty response is received, ensuring that userspace programs utilizing
the hidraw node receive consistent return values.

Signed-off-by: Charles Wang <charles.goodix@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.com>

Author: charles-goodix

drivers/hid/hid-goodix-spi.c

@@ -356,7 +356,7 @@ static int goodix_hid_check_ack_status(struct goodix_ts_data *ts, u32 *resp_len)
 				dev_err(ts->dev, "hrd.size too short: %d", len);
 				return -EINVAL;
 			}
-			*resp_len = len;
+			*resp_len = len - GOODIX_HID_PKG_LEN_SIZE;
 			return 0;
 		}
 
@@ -446,7 +446,10 @@ static int goodix_hid_get_raw_report(struct hid_device *hid,
 	if (error)
 		return error;
 
-	len = min(len, response_data_len - GOODIX_HID_PKG_LEN_SIZE);
+	/* Empty reprot response */
+	if (!response_data_len)
+		return 0;
+	len = min(len, response_data_len);
 	/* Step3: read response data(skip 2bytes of hid pkg length) */
 	error = goodix_spi_read(ts, ts->hid_report_addr +
 				GOODIX_HID_ACK_HEADER_SIZE +