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path: root/sound/pci/hda/hda_codec.c
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Diffstat (limited to 'sound/pci/hda/hda_codec.c')
-rw-r--r--sound/pci/hda/hda_codec.c24
1 files changed, 24 insertions, 0 deletions
diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c
index 3c925145c11..e80f8356829 100644
--- a/sound/pci/hda/hda_codec.c
+++ b/sound/pci/hda/hda_codec.c
@@ -1441,6 +1441,30 @@ int snd_hda_codec_new(struct hda_bus *bus,
}
EXPORT_SYMBOL_HDA(snd_hda_codec_new);
+int snd_hda_codec_update_widgets(struct hda_codec *codec)
+{
+ hda_nid_t fg;
+ int err;
+
+ /* Assume the function group node does not change,
+ * only the widget nodes may change.
+ */
+ kfree(codec->wcaps);
+ fg = codec->afg ? codec->afg : codec->mfg;
+ err = read_widget_caps(codec, fg);
+ if (err < 0) {
+ snd_printk(KERN_ERR "hda_codec: cannot malloc\n");
+ return err;
+ }
+
+ snd_array_free(&codec->init_pins);
+ err = read_pin_defaults(codec);
+
+ return err;
+}
+EXPORT_SYMBOL_HDA(snd_hda_codec_update_widgets);
+
+
/**
* snd_hda_codec_configure - (Re-)configure the HD-audio codec
* @codec: the HDA codec