3 files changed, 85 insertions, 0 deletions

diff --git a/sound/pci/hda/hda_eld.c b/sound/pci/hda/hda_eld.c
index a69a7e87d26a..7fa065cd1d9c 100644
--- a/sound/pci/hda/hda_eld.c
+++ b/sound/pci/hda/hda_eld.c
@@ -452,3 +452,77 @@ void snd_hdmi_show_eld(struct sink_eld *e)
         for (i = 0; i < e->sad_count; i++)
                 hdmi_show_short_audio_desc(e->sad + i);
 }
+
+#ifdef CONFIG_PROC_FS
+
+static void hdmi_print_sad_info(int i, struct cea_sad *a,
+                                struct snd_info_buffer *buffer)
+{
+        char buf[80];
+
+        snd_iprintf(buffer, "sad%d_coding_type\t[0x%x] %s\n",
+                        i, a->format, cea_audio_coding_type_names[a->format]);
+        snd_iprintf(buffer, "sad%d_channels\t\t%d\n", i, a->channels);
+
+        snd_print_pcm_rates(a->rates, buf, sizeof(buf));
+        snd_iprintf(buffer, "sad%d_sampling_rates\t[0x%x] %s\n",
+                        i, a->rates, buf);
+
+        if (a->format == AUDIO_CODING_TYPE_LPCM)
+                snd_iprintf(buffer, "sad%d_sample_bits\t0x%x\n",
+                                                        i, a->sample_bits);
+
+        if (a->max_bitrate)
+                snd_iprintf(buffer, "sad%d_max_bitrate\t%d\n",
+                                                        i, a->max_bitrate);
+
+        if (a->profile)
+                snd_iprintf(buffer, "sad%d_profile\t\t%d\n", i, a->profile);
+}
+
+static void hdmi_print_eld_info(struct snd_info_entry *entry,
+                                struct snd_info_buffer *buffer)
+{
+        struct sink_eld *e = entry->private_data;
+        char buf[HDMI_PRINT_CHANNEL_ALLOCATION_ADVISED_BUFSIZE];
+        int i;
+
+        snd_iprintf(buffer, "monitor name\t\t%s\n", e->monitor_name);
+        snd_iprintf(buffer, "connection_type\t\t%s\n",
+                                eld_connection_type_names[e->conn_type]);
+        snd_iprintf(buffer, "eld_version\t\t[0x%x] %s\n", e->eld_ver,
+                                        eld_versoin_names[e->eld_ver]);
+        snd_iprintf(buffer, "edid_version\t\t[0x%x] %s\n", e->cea_edid_ver,
+                                cea_edid_version_names[e->cea_edid_ver]);
+        snd_iprintf(buffer, "manufacture_id\t\t0x%x\n", e->manufacture_id);
+        snd_iprintf(buffer, "product_id\t\t0x%x\n", e->product_id);
+        snd_iprintf(buffer, "port_id\t\t\t0x%llx\n", (long long)e->port_id);
+        snd_iprintf(buffer, "support_hdcp\t\t%d\n", e->support_hdcp);
+        snd_iprintf(buffer, "support_ai\t\t%d\n", e->support_ai);
+        snd_iprintf(buffer, "audio_sync_delay\t%d\n", e->aud_synch_delay);
+
+        hdmi_print_channel_allocation(e->spk_alloc, buf, sizeof(buf));
+        snd_iprintf(buffer, "speakers\t\t[0x%x] %s\n", e->spk_alloc, buf);
+
+        snd_iprintf(buffer, "sad_count\t\t%d\n", e->sad_count);
+
+        for (i = 0; i < e->sad_count; i++)
+                hdmi_print_sad_info(i, e->sad + i, buffer);
+}
+
+int snd_hda_eld_proc_new(struct hda_codec *codec, struct sink_eld *eld)
+{
+        char name[32];
+        struct snd_info_entry *entry;
+        int err;
+
+        snprintf(name, sizeof(name), "eld#%d", codec->addr);
+        err = snd_card_proc_new(codec->bus->card, name, &entry);
+        if (err < 0)
+                return err;
+
+        snd_info_set_text_ops(entry, eld, hdmi_print_eld_info);
+        return 0;
+}
+
+#endif
diff --git a/sound/pci/hda/hda_local.h b/sound/pci/hda/hda_local.h
index e1b76686672a..02ac7321e5e4 100644
--- a/sound/pci/hda/hda_local.h
+++ b/sound/pci/hda/hda_local.h
@@ -484,4 +484,13 @@ int snd_hdmi_get_eld_size(struct hda_codec *codec, hda_nid_t nid);
 int snd_hdmi_get_eld(struct sink_eld *, struct hda_codec *, hda_nid_t);
 void snd_hdmi_show_eld(struct sink_eld *eld);
 
+#ifdef CONFIG_PROC_FS
+int snd_hda_eld_proc_new(struct hda_codec *codec, struct sink_eld *eld);
+#else
+inline int snd_hda_eld_proc_new(struct hda_codec *codec, struct sink_eld *eld)
+{
+        return 0;
+}
+#endif
+
 #endif /* __SOUND_HDA_LOCAL_H */
diff --git a/sound/pci/hda/patch_intelhdmi.c b/sound/pci/hda/patch_intelhdmi.c
index 489278d3d773..c95abc47614f 100644
--- a/sound/pci/hda/patch_intelhdmi.c
+++ b/sound/pci/hda/patch_intelhdmi.c
@@ -446,6 +446,8 @@ static int patch_intel_hdmi(struct hda_codec *codec)
         codec->spec = spec;
         codec->patch_ops = intel_hdmi_patch_ops;
 
+        snd_hda_eld_proc_new(codec, &spec->sink);
+
         return 0;
 }