ALSA: hda - Cirrus: Correctly clear line_out_pins when moving to speaker

commit 34c3d1926bdaf45d3a891dd577482abcdd9faa34 upstream.

If this array is not cleared, the jack related code later might
fail to create "Internal Speaker Phantom Jack" on Dell Inspiron 3420 and
Dell Vostro 2420.

BugLink: https://bugs.launchpad.net/bugs/1076840
Signed-off-by: David Henningsson <david.henningsson@canonical.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/sound/pci/hda/patch_cirrus.c b/sound/pci/hda/patch_cirrus.c
index 2bb9bee085191bb85ea01455df0d325a231fd565..10fc7108025d3ae88aa23732bd73519d547385b8 100644 (file)
--- a/sound/pci/hda/patch_cirrus.c
+++ b/sound/pci/hda/patch_cirrus.c
@@ -461,6 +461,7 @@ static int parse_output(struct hda_codec *codec)
                memcpy(cfg->speaker_pins, cfg->line_out_pins,
                       sizeof(cfg->speaker_pins));
                cfg->line_outs = 0;
+               memset(cfg->line_out_pins, 0, sizeof(cfg->line_out_pins));
        }
 
        return 0;