Keyboard has an LED that is ON/OFF when mic is muted/active
 - LED is controlled by GPIO pin
 - Patch enables led to appear in /sys/class/leds/ as hda::micmute
 - Enables LED when mic is MUTED
 - Disables LED when mic is active

[ fixed white spaces by tiwai ]
Signed-off-by: Ian Murphy <iano200@gmail.com>
Message-ID: <20240316094157.13890-1-iano200@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>