ALSA: hda/realtek - Dell headphone has noise on unmute for ALC236

ALSA: hda/realtek - Dell headphone has noise on unmute for ALC236

BugLink: https://bugs.launchpad.net/bugs/1856334
commit e1e8c1fdce8b00fce08784d9d738c60ebf598ebc upstream.

headphone have noise even the volume is very small.
Let it fill up pcbeep hidden register to default value.
The issue was gone.

Fixes: 4344aec84bd8 ("ALSA: hda/realtek - New codec support for ALC256")
Fixes: 736f20a70608 ("ALSA: hda/realtek - Add support for ALC236/ALC3204")
Signed-off-by: Kailang Yang <kailang@realtek.com>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/9ae47f23a64d4e41a9c81e263cd8a250@realtek.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Connor Kuehl <connor.kuehl@canonical.com>
Signed-off-by: Kleber Sacilotto de Souza <kleber.souza@canonical.com>