ALSA: hda - Fix Dock Headphone on Thinkpad X250 seen as a Line Out

Thinkpad X250, when attached to a dock, has two headphone outs but
no line out. Make sure we don't try to turn this into one headphone
and one line out (since that disables the headphone amp on the dock).

Alsa-info at http://www.alsa-project.org/db/?f=36f8764e1d782397928feec715d0ef90dfddd4c1

Cc: stable@vger.kernel.org
Signed-off-by: David Henningsson <david.henningsson@canonical.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

1 files changed, 7 insertions, 0 deletions

diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 431a20b17df4..8e02cdf21c0b 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -4511,6 +4511,7 @@ enum {
         ALC255_FIXUP_HEADSET_MODE_NO_HP_MIC,
         ALC293_FIXUP_DELL1_MIC_NO_PRESENCE,
         ALC292_FIXUP_TPT440_DOCK,
+        ALC292_FIXUP_TPT440_DOCK2,
         ALC283_FIXUP_BXBT2807_MIC,
         ALC255_FIXUP_DELL_WMI_MIC_MUTE_LED,
         ALC282_FIXUP_ASPIRE_V5_PINS,
@@ -4960,6 +4961,12 @@ static const struct hda_fixup alc269_fixups[] = {
                 .chain_id = ALC269_FIXUP_HEADSET_MODE
         },
         [ALC292_FIXUP_TPT440_DOCK] = {
+                .type = HDA_FIXUP_FUNC,
+                .v.func = alc269_fixup_pincfg_no_hp_to_lineout,
+                .chained = true,
+                .chain_id = ALC292_FIXUP_TPT440_DOCK2
+        },
+        [ALC292_FIXUP_TPT440_DOCK2] = {
                 .type = HDA_FIXUP_PINS,
                 .v.pins = (const struct hda_pintbl[]) {
                         { 0x16, 0x21211010 }, /* dock headphone */