1 files changed, 19 insertions, 0 deletions
diff --git a/sound/hda/local.h b/sound/hda/local.h
new file mode 100644
index 000000000000..a077d1f656f6
--- /dev/null
+++ b/sound/hda/local.h
@@ -0,0 +1,19 @@
+/*
+ * Local helper macros and functions for HD-audio core drivers
+ */
+
+#ifndef __HDAC_LOCAL_H
+#define __HDAC_LOCAL_H
+
+#define get_wcaps(codec, nid) \
+	snd_hdac_read_parm(codec, nid, AC_PAR_AUDIO_WIDGET_CAP)
+
+/* get the widget type from widget capability bits */
+static inline int get_wcaps_type(unsigned int wcaps)
+{
+	if (!wcaps)
+		return -1; /* invalid type */
+	return (wcaps & AC_WCAP_TYPE) >> AC_WCAP_TYPE_SHIFT;
+}
+
+#endif /* __HDAC_LOCAL_H */