Many of ALC262 codes don't call the automute function at the beginning,
which may keep the silence until the HP jack is replugged.  Now proper
init_hook is added.
Also, sony-assamd model doesn't handle the widget 0x14 properly, thus
calling automute isn't enough.  Now Front switch handles both widgets.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>