杰理之切换EQ效果文件的接口【篇】

if(index == 0xff){
curr_eq_index++;
if(curr_eq_index >= ARRAY_SIZE(eq_file_list)){
curr_eq_index = 0;
}
}
else{
if(index >= ARRAY_SIZE(eq_file_list)){
return;
}
curr_eq_index = index;
}