On Mon, Nov 26, 2018 at 7:14 PM Takashi Iwai <tiwai@xxxxxxx> wrote: > > This patch adds a new LED trigger for coupling the audio mixer change > with the LED on laptops or other devices. Currently there are two > trigger types, "audio-mute" and "audio-micmute". > > The audio driver triggers the LED brightness change via > ledtrig_audio_set() call with the proper type (either mute or > mic-mute). OTOH, the consumers may call ledtrig_audio_get() for the > initial brightness value that may have been set by the audio driver > beforehand. > > This new stuff will be used by HD-audio codec driver and some platform > drivers (thinkpad_acpi and dell-laptop, also upcoming huawei-wmi). > +#include <linux/module.h> > +#include <linux/init.h> Only on of above is needed, I think you meant module.h. -- With Best Regards, Andy Shevchenko