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-rw-r--r--sound/hda/hdac_device.c28
1 files changed, 28 insertions, 0 deletions
diff --git a/sound/hda/hdac_device.c b/sound/hda/hdac_device.c
index df7039ebe1fa..aa6d6cec2380 100644
--- a/sound/hda/hdac_device.c
+++ b/sound/hda/hdac_device.c
@@ -372,6 +372,34 @@ int snd_hdac_refresh_widgets(struct hdac_device *codec)
}
EXPORT_SYMBOL_GPL(snd_hdac_refresh_widgets);
+/**
+ * snd_hdac_refresh_widget_sysfs - Reset the codec widgets and reinit the
+ * codec sysfs
+ * @codec: the codec object
+ *
+ * first we need to remove sysfs, then refresh widgets and lastly
+ * recreate it
+ */
+int snd_hdac_refresh_widget_sysfs(struct hdac_device *codec)
+{
+ int ret;
+
+ hda_widget_sysfs_exit(codec);
+ ret = snd_hdac_refresh_widgets(codec);
+ if (ret) {
+ dev_err(&codec->dev, "failed to refresh widget: %d\n", ret);
+ return ret;
+ }
+ ret = hda_widget_sysfs_init(codec);
+ if (ret) {
+ dev_err(&codec->dev, "failed to init sysfs: %d\n", ret);
+ return ret;
+ }
+
+ return ret;
+}
+EXPORT_SYMBOL_GPL(snd_hdac_refresh_widget_sysfs);
+
/* return CONNLIST_LEN parameter of the given widget */
static unsigned int get_num_conns(struct hdac_device *codec, hda_nid_t nid)
{