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-rw-r--r--sound/hda/hda_bus_type.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/sound/hda/hda_bus_type.c b/sound/hda/hda_bus_type.c
index bcb1a79eec38..3060e2aee36f 100644
--- a/sound/hda/hda_bus_type.c
+++ b/sound/hda/hda_bus_type.c
@@ -64,9 +64,21 @@ static int hda_bus_match(struct device *dev, struct device_driver *drv)
return 1;
}
+static int hda_uevent(struct device *dev, struct kobj_uevent_env *env)
+{
+ char modalias[32];
+
+ snd_hdac_codec_modalias(dev_to_hdac_dev(dev), modalias,
+ sizeof(modalias));
+ if (add_uevent_var(env, "MODALIAS=%s", modalias))
+ return -ENOMEM;
+ return 0;
+}
+
struct bus_type snd_hda_bus_type = {
.name = "hdaudio",
.match = hda_bus_match,
+ .uevent = hda_uevent,
};
EXPORT_SYMBOL_GPL(snd_hda_bus_type);