On Sat, Jan 16, 2021 at 11:50:31PM +0800, Perry Yuan wrote: > On 2021/1/13 1:54, Mark Brown wrote: > > > + bool micmute_led; > > What is this for, it never seems to be read except for in the function > > where it's set? > Do you mean i can use a local micmute_led var in the function? Yes.