修改4g拨号为QMI,需要在系统里后台执行quectel-CM

hc

2024-10-22 8ac6c7a54ed1b98d142dce24b11c6de6a1e239a5

 kernel/drivers/media/cec/usb/pulse8/pulse8-cec.c
..
..
@@ -809,8 +809,11 @@
809
809
 
810
810
 	mutex_lock(&pulse8->lock);
811
811
 	cmd = MSGCODE_PING;
812
-	pulse8_send_and_wait(pulse8, &cmd, 1,
813
-			     MSGCODE_COMMAND_ACCEPTED, 0);
812
+	if (pulse8_send_and_wait(pulse8, &cmd, 1,
813
+				 MSGCODE_COMMAND_ACCEPTED, 0)) {
814
+		dev_warn(pulse8->dev, "failed to ping EEPROM\n");
815
+		goto unlock;
816
+	}
814
817
 
815
818
 	if (pulse8->vers < 2)
816
819
 		goto unlock;