ALSA: hda - add dock support for Thinkpad X230 Tablet

Also add a model/fixup string "lenovo-dock", so that other Thinkpad
users will be able to test this fixup easily, to see if it enables
dock I/O for them as well.

Cc: stable@kernel.org
BugLink: https://bugs.launchpad.net/bugs/1026953
Tested-by: John McCarron <john.mccarron@canonical.com>
Signed-off-by: David Henningsson <david.henningsson@canonical.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

2 files changed, 29 insertions, 1 deletions

diff --git a/Documentation/sound/alsa/HD-Audio-Models.txt b/Documentation/sound/alsa/HD-Audio-Models.txt
index 2ea8cf2819cf..7456360e161c 100644
--- a/Documentation/sound/alsa/HD-Audio-Models.txt
+++ b/Documentation/sound/alsa/HD-Audio-Models.txt
@@ -21,13 +21,14 @@ ALC267/268
 ==========
   inv-dmic      Inverted internal mic workaround
 
-ALC269
+ALC269/270/275/276/280/282
 ======
   laptop-amic   Laptops with analog-mic input
   laptop-dmic   Laptops with digital-mic input
   alc269-dmic   Enable ALC269(VA) digital mic workaround
   alc271-dmic   Enable ALC271X digital mic workaround
   inv-dmic      Inverted internal mic workaround
+  lenovo-dock   Enables docking station I/O for some Lenovos
 
 ALC662/663/272
 ==============
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 537c365716a6..f141395dfee6 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -5881,6 +5881,15 @@ static int alc269_resume(struct hda_codec *codec)
 }
 #endif /* CONFIG_PM */
 
+static void alc269_fixup_pincfg_no_hp_to_lineout(struct hda_codec *codec,
+                                                 const struct alc_fixup *fix, int action)
+{
+        struct alc_spec *spec = codec->spec;
+
+        if (action == ALC_FIXUP_ACT_PRE_PROBE)
+                spec->parse_flags = HDA_PINCFG_NO_HP_FIXUP;
+}
+
 static void alc269_fixup_hweq(struct hda_codec *codec,
                                const struct alc_fixup *fix, int action)
 {
@@ -6007,6 +6016,8 @@ enum {
         ALC269VB_FIXUP_DMIC,
         ALC269_FIXUP_MIC2_MUTE_LED,
         ALC269_FIXUP_INV_DMIC,
+        ALC269_FIXUP_LENOVO_DOCK,
+        ALC269_FIXUP_PINCFG_NO_HP_TO_LINEOUT,
 };
 
 static const struct alc_fixup alc269_fixups[] = {
@@ -6135,6 +6146,20 @@ static const struct alc_fixup alc269_fixups[] = {
                 .type = ALC_FIXUP_FUNC,
                 .v.func = alc_fixup_inv_dmic_0x12,
         },
+        [ALC269_FIXUP_LENOVO_DOCK] = {
+                .type = ALC_FIXUP_PINS,
+                .v.pins = (const struct alc_pincfg[]) {
+                        { 0x19, 0x23a11040 }, /* dock mic */
+                        { 0x1b, 0x2121103f }, /* dock headphone */
+                        { }
+                },
+                .chained = true,
+                .chain_id = ALC269_FIXUP_PINCFG_NO_HP_TO_LINEOUT
+        },
+        [ALC269_FIXUP_PINCFG_NO_HP_TO_LINEOUT] = {
+                .type = ALC_FIXUP_FUNC,
+                .v.func = alc269_fixup_pincfg_no_hp_to_lineout,
+        },
 };
 
 static const struct snd_pci_quirk alc269_fixup_tbl[] = {
@@ -6161,6 +6186,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = {
         SND_PCI_QUIRK(0x17aa, 0x21b8, "Thinkpad Edge 14", ALC269_FIXUP_SKU_IGNORE),
         SND_PCI_QUIRK(0x17aa, 0x21ca, "Thinkpad L412", ALC269_FIXUP_SKU_IGNORE),
         SND_PCI_QUIRK(0x17aa, 0x21e9, "Thinkpad Edge 15", ALC269_FIXUP_SKU_IGNORE),
+        SND_PCI_QUIRK(0x17aa, 0x2203, "Thinkpad X230 Tablet", ALC269_FIXUP_LENOVO_DOCK),
         SND_PCI_QUIRK(0x17aa, 0x3bf8, "Quanta FL1", ALC269_FIXUP_QUANTA_MUTE),
         SND_PCI_QUIRK(0x17aa, 0x3bf8, "Lenovo Ideapd", ALC269_FIXUP_PCM_44K),
         SND_PCI_QUIRK(0x17aa, 0x9e54, "LENOVO NB", ALC269_FIXUP_LENOVO_EAPD),
@@ -6222,6 +6248,7 @@ static const struct alc_model_fixup alc269_fixup_models[] = {
         {.id = ALC269_FIXUP_STEREO_DMIC, .name = "alc269-dmic"},
         {.id = ALC271_FIXUP_DMIC, .name = "alc271-dmic"},
         {.id = ALC269_FIXUP_INV_DMIC, .name = "inv-dmic"},
+        {.id = ALC269_FIXUP_LENOVO_DOCK, .name = "lenovo-dock"},
         {}
 };