1 files changed, 56 insertions, 0 deletions

diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c
index 70181d50053..33170a24200 100644
--- a/sound/pci/hda/patch_sigmatel.c
+++ b/sound/pci/hda/patch_sigmatel.c
@@ -4262,6 +4262,52 @@ static void stac92xx_unsol_event(struct hda_codec *codec, unsigned int res)
         }
 }
 
+#ifdef CONFIG_PROC_FS
+static void stac92hd_proc_hook(struct snd_info_buffer *buffer,
+                               struct hda_codec *codec, hda_nid_t nid)
+{
+        if (nid == codec->afg)
+                snd_iprintf(buffer, "Power-Map: 0x%02x\n", 
+                            snd_hda_codec_read(codec, nid, 0, 0x0fec, 0x0));
+}
+
+static void analog_loop_proc_hook(struct snd_info_buffer *buffer,
+                                  struct hda_codec *codec,
+                                  unsigned int verb)
+{
+        snd_iprintf(buffer, "Analog Loopback: 0x%02x\n",
+                    snd_hda_codec_read(codec, codec->afg, 0, verb, 0));
+}
+
+/* stac92hd71bxx, stac92hd73xx */
+static void stac92hd7x_proc_hook(struct snd_info_buffer *buffer,
+                                 struct hda_codec *codec, hda_nid_t nid)
+{
+        stac92hd_proc_hook(buffer, codec, nid);
+        if (nid == codec->afg)
+                analog_loop_proc_hook(buffer, codec, 0xfa0);
+}
+
+static void stac9205_proc_hook(struct snd_info_buffer *buffer,
+                               struct hda_codec *codec, hda_nid_t nid)
+{
+        if (nid == codec->afg)
+                analog_loop_proc_hook(buffer, codec, 0xfe0);
+}
+
+static void stac927x_proc_hook(struct snd_info_buffer *buffer,
+                               struct hda_codec *codec, hda_nid_t nid)
+{
+        if (nid == codec->afg)
+                analog_loop_proc_hook(buffer, codec, 0xfeb);
+}
+#else
+#define stac92hd_proc_hook      NULL
+#define stac92hd7x_proc_hook    NULL
+#define stac9205_proc_hook      NULL
+#define stac927x_proc_hook      NULL
+#endif
+
 #ifdef SND_HDA_NEEDS_RESUME
 static int stac92xx_resume(struct hda_codec *codec)
 {
@@ -4585,6 +4631,8 @@ again:
 
         codec->patch_ops = stac92xx_patch_ops;
 
+        codec->proc_widget_hook = stac92hd7x_proc_hook;
+
         return 0;
 }
 
@@ -4671,6 +4719,8 @@ again:
 
         codec->patch_ops = stac92xx_patch_ops;
 
+        codec->proc_widget_hook = stac92hd_proc_hook;
+
         return 0;
 }
 
@@ -4889,6 +4939,8 @@ again:
                 return err;
         }
 
+        codec->proc_widget_hook = stac92hd7x_proc_hook;
+
         return 0;
 };
 
@@ -5109,6 +5161,8 @@ static int patch_stac927x(struct hda_codec *codec)
 
         codec->patch_ops = stac92xx_patch_ops;
 
+        codec->proc_widget_hook = stac927x_proc_hook;
+
         /*
          * !!FIXME!!
          * The STAC927x seem to require fairly long delays for certain
@@ -5224,6 +5278,8 @@ static int patch_stac9205(struct hda_codec *codec)
 
         codec->patch_ops = stac92xx_patch_ops;
 
+        codec->proc_widget_hook = stac9205_proc_hook;
+
         return 0;
 }