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 <kay.sievers@vrfy.org>
Signed-off-by: Jan Blunck <jblunck@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/sound/sound_core.c b/sound/sound_core.c
index 2b302bb..12522e6 100644
--- a/sound/sound_core.c
+++ b/sound/sound_core.c
@@ -27,6 +27,11 @@
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 @@
return PTR_ERR(sound_class);
}
+ sound_class->nodename = sound_nodename;
+
return 0;
}