Since the last updates I'm experiencing a similar issue on my dell xps m1330 (Intel HDA audio with a Sigmetal STAC9228 codec): the multimedia volume keys control the surround channel, which has no effect. It used to control the Front channel.
Since the last updates I'm experiencing a similar issue on my dell xps m1330 (Intel HDA audio with a Sigmetal STAC9228 codec): the multimedia volume keys control the surround channel, which has no effect. It used to control the Front channel.