Merge branch 'topic/hda' of git://git.kernel.org/pub/scm/linux/kernel…

…/git/broonie/sound into asoc-hdmi
mariux64 · Apr 28, 2016 · 6a5ea5c · 6a5ea5c
2 parents db71336 + 9fc7c86
commit 6a5ea5c
Showing 1 changed file with 10 additions and 0 deletions.
diff --git a/sound/hda/local.h b/sound/hda/local.h
@@ -16,6 +16,16 @@ static inline int get_wcaps_type(unsigned int wcaps)
 	return (wcaps & AC_WCAP_TYPE) >> AC_WCAP_TYPE_SHIFT;
 }
 
+static inline unsigned int get_wcaps_channels(u32 wcaps)
+{
+	unsigned int chans;
+
+	chans = (wcaps & AC_WCAP_CHAN_CNT_EXT) >> 13;
+	chans = (chans + 1) * 2;
+
+	return chans;
+}
+
 extern const struct attribute_group *hdac_dev_attr_groups[];
 int hda_widget_sysfs_init(struct hdac_device *codec);
 void hda_widget_sysfs_exit(struct hdac_device *codec);