This patch converts the remaining user of
snd_hda_gen_add_micmute_led() in Conexant codec driver into the new
snd_hda_gen_add_micmute_led_cdev().
Tested-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Link: https://lore.kernel.org/r/20200618110842.27238-5-tiwai@suse.deSigned-off-by: Takashi Iwai <tiwai@suse.de>