Ok, I created a bug https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/449855 for the 1005HA as this bug is dedicated to Lenovo X300.
Ok, I created a bug https:/ /bugs.launchpad .net/ubuntu/ +source/ alsa-driver/ +bug/449855 for the 1005HA as this bug is dedicated to Lenovo X300.