3 files changed, 22 insertions, 0 deletions

diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c
index 8e89d56b6400..f87f8f088956 100644
--- a/sound/pci/hda/hda_codec.c
+++ b/sound/pci/hda/hda_codec.c
@@ -713,6 +713,19 @@ static u32 query_amp_caps(struct hda_codec *codec, hda_nid_t nid, int direction)
         return info->amp_caps;
 }
 
+int snd_hda_override_amp_caps(struct hda_codec *codec, hda_nid_t nid, int dir,
+                              unsigned int caps)
+{
+        struct hda_amp_info *info;
+
+        info = get_alloc_amp_hash(codec, HDA_HASH_KEY(nid, dir, 0));
+        if (!info)
+                return -EINVAL;
+        info->amp_caps = caps;
+        info->status |= INFO_AMP_CAPS;
+        return 0;
+}
+
 /*
  * read the current volume to info
  * if the cache exists, read the cache value.
diff --git a/sound/pci/hda/hda_local.h b/sound/pci/hda/hda_local.h
index be12b8814c39..f91ea5ec9f6d 100644
--- a/sound/pci/hda/hda_local.h
+++ b/sound/pci/hda/hda_local.h
@@ -277,5 +277,7 @@ static inline u32 get_wcaps(struct hda_codec *codec, hda_nid_t nid)
         return codec->wcaps[nid - codec->start_nid];
 }
 
+int snd_hda_override_amp_caps(struct hda_codec *codec, hda_nid_t nid, int dir,
+                              unsigned int caps);
 
 #endif /* __SOUND_HDA_LOCAL_H */
diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c
index 33fc7cd00935..e3964fc4c405 100644
--- a/sound/pci/hda/patch_sigmatel.c
+++ b/sound/pci/hda/patch_sigmatel.c
@@ -2159,6 +2159,13 @@ static int patch_stac927x(struct hda_codec *codec)
 
         codec->patch_ops = stac92xx_patch_ops;
 
+        /* Fix Mux capture level; max to 2 */
+        snd_hda_override_amp_caps(codec, 0x12, HDA_OUTPUT,
+                                  (0 << AC_AMPCAP_OFFSET_SHIFT) |
+                                  (2 << AC_AMPCAP_NUM_STEPS_SHIFT) |
+                                  (0x27 << AC_AMPCAP_STEP_SIZE_SHIFT) |
+                                  (0 << AC_AMPCAP_MUTE_SHIFT));
+
         return 0;
 }