5 files changed, 50 insertions, 27 deletions

diff --git a/sound/pci/hda/patch_conexant.c b/sound/pci/hda/patch_conexant.c
index 69e33869a53e..ad97d937d3a8 100644
--- a/sound/pci/hda/patch_conexant.c
+++ b/sound/pci/hda/patch_conexant.c
@@ -3035,6 +3035,7 @@ static struct snd_pci_quirk cxt5066_cfg_tbl[] = {
         SND_PCI_QUIRK(0x17aa, 0x21c6, "Thinkpad Edge 13", CXT5066_ASUS),
         SND_PCI_QUIRK(0x17aa, 0x215e, "Lenovo Thinkpad", CXT5066_THINKPAD),
         SND_PCI_QUIRK(0x17aa, 0x21da, "Lenovo X220", CXT5066_THINKPAD),
+        SND_PCI_QUIRK(0x17aa, 0x21db, "Lenovo X220-tablet", CXT5066_THINKPAD),
         SND_PCI_QUIRK(0x17aa, 0x38af, "Lenovo G560", CXT5066_ASUS),
         SND_PCI_QUIRK_VENDOR(0x17aa, "Lenovo", CXT5066_IDEAPAD), /* Fallback for Lenovos without dock mic */
         {}
diff --git a/sound/pci/hda/patch_hdmi.c b/sound/pci/hda/patch_hdmi.c
index 251773e45f61..715615a88a8d 100644
--- a/sound/pci/hda/patch_hdmi.c
+++ b/sound/pci/hda/patch_hdmi.c
@@ -1280,6 +1280,39 @@ static int simple_playback_pcm_prepare(struct hda_pcm_stream *hinfo,
                                              stream_tag, format, substream);
 }
 
+static void nvhdmi_8ch_7x_set_info_frame_parameters(struct hda_codec *codec,
+                                                    int channels)
+{
+        unsigned int chanmask;
+        int chan = channels ? (channels - 1) : 1;
+
+        switch (channels) {
+        default:
+        case 0:
+        case 2:
+                chanmask = 0x00;
+                break;
+        case 4:
+                chanmask = 0x08;
+                break;
+        case 6:
+                chanmask = 0x0b;
+                break;
+        case 8:
+                chanmask = 0x13;
+                break;
+        }
+
+        /* Set the audio infoframe channel allocation and checksum fields.  The
+         * channel count is computed implicitly by the hardware. */
+        snd_hda_codec_write(codec, 0x1, 0,
+                        Nv_VERB_SET_Channel_Allocation, chanmask);
+
+        snd_hda_codec_write(codec, 0x1, 0,
+                        Nv_VERB_SET_Info_Frame_Checksum,
+                        (0x71 - chan - chanmask));
+}
+
 static int nvhdmi_8ch_7x_pcm_close(struct hda_pcm_stream *hinfo,
                                    struct hda_codec *codec,
                                    struct snd_pcm_substream *substream)
@@ -1298,6 +1331,10 @@ static int nvhdmi_8ch_7x_pcm_close(struct hda_pcm_stream *hinfo,
                                 AC_VERB_SET_STREAM_FORMAT, 0);
         }
 
+        /* The audio hardware sends a channel count of 0x7 (8ch) when all the
+         * streams are disabled. */
+        nvhdmi_8ch_7x_set_info_frame_parameters(codec, 8);
+
         return snd_hda_multi_out_dig_close(codec, &spec->multiout);
 }
 
@@ -1308,37 +1345,16 @@ static int nvhdmi_8ch_7x_pcm_prepare(struct hda_pcm_stream *hinfo,
                                      struct snd_pcm_substream *substream)
 {
         int chs;
-        unsigned int dataDCC1, dataDCC2, chan, chanmask, channel_id;
+        unsigned int dataDCC1, dataDCC2, channel_id;
         int i;
 
         mutex_lock(&codec->spdif_mutex);
 
         chs = substream->runtime->channels;
-        chan = chs ? (chs - 1) : 1;
 
-        switch (chs) {
-        default:
-        case 0:
-        case 2:
-                chanmask = 0x00;
-                break;
-        case 4:
-                chanmask = 0x08;
-                break;
-        case 6:
-                chanmask = 0x0b;
-                break;
-        case 8:
-                chanmask = 0x13;
-                break;
-        }
         dataDCC1 = AC_DIG1_ENABLE | AC_DIG1_COPYRIGHT;
         dataDCC2 = 0x2;
 
-        /* set the Audio InforFrame Channel Allocation */
-        snd_hda_codec_write(codec, 0x1, 0,
-                        Nv_VERB_SET_Channel_Allocation, chanmask);
-
         /* turn off SPDIF once; otherwise the IEC958 bits won't be updated */
         if (codec->spdif_status_reset && (codec->spdif_ctls & AC_DIG1_ENABLE))
                 snd_hda_codec_write(codec,
@@ -1413,10 +1429,7 @@ static int nvhdmi_8ch_7x_pcm_prepare(struct hda_pcm_stream *hinfo,
                 }
         }
 
-        /* set the Audio Info Frame Checksum */
-        snd_hda_codec_write(codec, 0x1, 0,
-                        Nv_VERB_SET_Info_Frame_Checksum,
-                        (0x71 - chan - chanmask));
+        nvhdmi_8ch_7x_set_info_frame_parameters(codec, chs);
 
         mutex_unlock(&codec->spdif_mutex);
         return 0;
@@ -1512,6 +1525,11 @@ static int patch_nvhdmi_8ch_7x(struct hda_codec *codec)
         spec->multiout.max_channels = 8;
         spec->pcm_playback = &nvhdmi_pcm_playback_8ch_7x;
         codec->patch_ops = nvhdmi_patch_ops_8ch_7x;
+
+        /* Initialize the audio infoframe channel mask and checksum to something
+         * valid */
+        nvhdmi_8ch_7x_set_info_frame_parameters(codec, 8);
+
         return 0;
 }
 
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 12c6f4508c54..d9f1ef7dac2e 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -14124,7 +14124,7 @@ static hda_nid_t alc269vb_capsrc_nids[1] = {
 };
 
 static hda_nid_t alc269_adc_candidates[] = {
-        0x08, 0x09, 0x07,
+        0x08, 0x09, 0x07, 0x11,
 };
 
 #define alc269_modes            alc260_modes
diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c
index 05fcd60cc46f..a2f57e3581e0 100644
--- a/sound/pci/hda/patch_sigmatel.c
+++ b/sound/pci/hda/patch_sigmatel.c
@@ -3408,6 +3408,9 @@ static int get_connection_index(struct hda_codec *codec, hda_nid_t mux,
         hda_nid_t conn[HDA_MAX_NUM_INPUTS];
         int i, nums;
 
+        if (!(get_wcaps(codec, mux) & AC_WCAP_CONN_LIST))
+                return -1;
+
         nums = snd_hda_get_connections(codec, mux, conn, ARRAY_SIZE(conn));
         for (i = 0; i < nums; i++)
                 if (conn[i] == nid)
diff --git a/sound/usb/midi.c b/sound/usb/midi.c
index b4b39c0b6c9e..f9289102886a 100644
--- a/sound/usb/midi.c
+++ b/sound/usb/midi.c
@@ -1301,6 +1301,7 @@ static int snd_usbmidi_out_endpoint_create(struct snd_usb_midi* umidi,
         case USB_ID(0x15ca, 0x0101): /* Textech USB Midi Cable */
         case USB_ID(0x15ca, 0x1806): /* Textech USB Midi Cable */
         case USB_ID(0x1a86, 0x752d): /* QinHeng CH345 "USB2.0-MIDI" */
+        case USB_ID(0xfc08, 0x0101): /* Unknown vendor Cable */
                 ep->max_transfer = 4;
                 break;
                 /*