I was one of the affected (I thought back then). I am now running 14.04 on my X1 carbon, and the sound does not have any problems. I don't recall when the problem was fixed, but it is fixed for me.
I was one of the affected (I thought back then). I am now running 14.04 on my X1 carbon, and the sound does not have any problems. I don't recall when the problem was fixed, but it is fixed for me.