Driver Core: sound: add nodename for sound drivers

This adds support to the sound core to report the proper device name to userspace for their devices. Signed-off-by: Kay Sievers <[email protected]> Signed-off-by: Jan Blunck <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
berg · Jun 16, 2009 · 7a9d56f · 7a9d56f
1 parent aa5ed63
commit 7a9d56f
Showing 1 changed file with 7 additions and 0 deletions.
diff --git a/sound/sound_core.c b/sound/sound_core.c
@@ -27,6 +27,11 @@ MODULE_DESCRIPTION("Core sound module");
 MODULE_AUTHOR("Alan Cox");
 MODULE_LICENSE("GPL");
 
+static char *sound_nodename(struct device *dev)
+{
+	return kasprintf(GFP_KERNEL, "snd/%s", dev_name(dev));
+}
+
 static int __init init_soundcore(void)
 {
 	int rc;
@@ -41,6 +46,8 @@ static int __init init_soundcore(void)
 		return PTR_ERR(sound_class);
 	}
 
+	sound_class->nodename = sound_nodename;
+
 	return 0;
 }