2 files changed, 95 insertions, 0 deletions

diff --git a/Documentation/sound/alsa/ALSA-Configuration.txt b/Documentation/sound/alsa/ALSA-Configuration.txt
index b02404395e52..42dd8f5855da 100644
--- a/Documentation/sound/alsa/ALSA-Configuration.txt
+++ b/Documentation/sound/alsa/ALSA-Configuration.txt
@@ -923,6 +923,7 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed.
           desktop       3-stack desktop (default)
           laptop        laptop with HP jack sensing
           mobile        mobile devices with HP jack sensing
+          thinkpad      Lenovo Thinkpad X300
 
         AD1884
           N/A
diff --git a/sound/pci/hda/patch_analog.c b/sound/pci/hda/patch_analog.c
index 220784bb76a7..2befeebd909e 100644
--- a/sound/pci/hda/patch_analog.c
+++ b/sound/pci/hda/patch_analog.c
@@ -3702,12 +3702,95 @@ static struct hda_verb ad1884a_laptop_verbs[] = {
 };
 
 /*
+ * Thinkpad X300
+ * 0x11 - HP
+ * 0x12 - speaker
+ * 0x14 - mic-in
+ * 0x17 - built-in mic
+ */
+
+static struct hda_verb ad1984a_thinkpad_verbs[] = {
+        /* HP unmute */
+        {0x11, AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_UNMUTE},
+        /* analog mix */
+        {0x20, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(4)},
+        /* turn on EAPD */
+        {0x12, AC_VERB_SET_EAPD_BTLENABLE, 0x02},
+        /* unsolicited event for pin-sense */
+        {0x11, AC_VERB_SET_UNSOLICITED_ENABLE, AC_USRSP_EN | AD1884A_HP_EVENT},
+        /* internal mic - dmic */
+        {0x17, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_IN},
+        { } /* end */
+};
+
+static struct snd_kcontrol_new ad1984a_thinkpad_mixers[] = {
+        HDA_CODEC_VOLUME("Master Playback Volume", 0x21, 0x0, HDA_OUTPUT),
+        HDA_CODEC_MUTE("Master Playback Switch", 0x21, 0x0, HDA_OUTPUT),
+        HDA_CODEC_VOLUME("PCM Playback Volume", 0x20, 0x5, HDA_INPUT),
+        HDA_CODEC_MUTE("PCM Playback Switch", 0x20, 0x5, HDA_INPUT),
+        HDA_CODEC_VOLUME("Mic Playback Volume", 0x20, 0x00, HDA_INPUT),
+        HDA_CODEC_MUTE("Mic Playback Switch", 0x20, 0x00, HDA_INPUT),
+        HDA_CODEC_VOLUME("Beep Playback Volume", 0x20, 0x03, HDA_INPUT),
+        HDA_CODEC_MUTE("Beep Playback Switch", 0x20, 0x03, HDA_INPUT),
+        HDA_CODEC_VOLUME("Mic Boost", 0x14, 0x0, HDA_INPUT),
+        HDA_CODEC_VOLUME("Internal Mic Boost", 0x17, 0x0, HDA_INPUT),
+        HDA_CODEC_VOLUME("Capture Volume", 0x0c, 0x0, HDA_OUTPUT),
+        HDA_CODEC_MUTE("Capture Switch", 0x0c, 0x0, HDA_OUTPUT),
+        {
+                .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+                .name = "Capture Source",
+                .info = ad198x_mux_enum_info,
+                .get = ad198x_mux_enum_get,
+                .put = ad198x_mux_enum_put,
+        },
+        { } /* end */
+};
+
+static struct hda_input_mux ad1984a_thinkpad_capture_source = {
+        .num_items = 3,
+        .items = {
+                { "Mic", 0x0 },
+                { "Internal Mic", 0x5 },
+                { "Mix", 0x3 },
+        },
+};
+
+/* mute internal speaker if HP is plugged */
+static void ad1984a_thinkpad_automute(struct hda_codec *codec)
+{
+        unsigned int present;
+
+        present = snd_hda_codec_read(codec, 0x11, 0, AC_VERB_GET_PIN_SENSE, 0)
+                & AC_PINSENSE_PRESENCE;
+        snd_hda_codec_amp_stereo(codec, 0x12, HDA_OUTPUT, 0,
+                                 HDA_AMP_MUTE, present ? HDA_AMP_MUTE : 0);
+}
+
+/* unsolicited event for HP jack sensing */
+static void ad1984a_thinkpad_unsol_event(struct hda_codec *codec,
+                                         unsigned int res)
+{
+        if ((res >> 26) != AD1884A_HP_EVENT)
+                return;
+        ad1984a_thinkpad_automute(codec);
+}
+
+/* initialize jack-sensing, too */
+static int ad1984a_thinkpad_init(struct hda_codec *codec)
+{
+        ad198x_init(codec);
+        ad1984a_thinkpad_automute(codec);
+        return 0;
+}
+
+/*
  */
 
 enum {
         AD1884A_DESKTOP,
         AD1884A_LAPTOP,
         AD1884A_MOBILE,
+        AD1884A_THINKPAD,
         AD1884A_MODELS
 };
 
@@ -3715,10 +3798,12 @@ static const char *ad1884a_models[AD1884A_MODELS] = {
         [AD1884A_DESKTOP]       = "desktop",
         [AD1884A_LAPTOP]        = "laptop",
         [AD1884A_MOBILE]        = "mobile",
+        [AD1884A_THINKPAD]      = "thinkpad",
 };
 
 static struct snd_pci_quirk ad1884a_cfg_tbl[] = {
         SND_PCI_QUIRK(0x103c, 0x3030, "HP", AD1884A_MOBILE),
+        SND_PCI_QUIRK(0x17aa, 0x20ac, "Thinkpad X300", AD1884A_THINKPAD),
         {}
 };
 
@@ -3773,6 +3858,15 @@ static int patch_ad1884a(struct hda_codec *codec)
                 codec->patch_ops.unsol_event = ad1884a_hp_unsol_event;
                 codec->patch_ops.init = ad1884a_hp_init;
                 break;
+        case AD1884A_THINKPAD:
+                spec->mixers[0] = ad1984a_thinkpad_mixers;
+                spec->init_verbs[spec->num_init_verbs++] =
+                        ad1984a_thinkpad_verbs;
+                spec->multiout.dig_out_nid = 0;
+                spec->input_mux = &ad1984a_thinkpad_capture_source;
+                codec->patch_ops.unsol_event = ad1984a_thinkpad_unsol_event;
+                codec->patch_ops.init = ad1984a_thinkpad_init;
+                break;
         }
 
         return 0;