With all respect, your approach to email quoting is very hard to read. On Thu, 2017-09-21 at 12:43 -0300, Gustavo Duarte wrote: > Thanks Tanu, for you explanation. > > I want to use internal mic. > > >> except get the kernel driver fixed > > What do you mean ? Am I need update linux-kernel ? or just only sound driver ? I mean that the kernel driver for your sound card has a bug. If you're very lucky, updating the kernel will fix your problem, but more likely you'll have to work with the kernel developers to get the bug fixed. -- Tanu https://www.patreon.com/tanuk