From: Kay Sievers <kay.sievers@vrfy.org>
Date: Thu, 30 Apr 2009 13:23:42 +0000 (+0200)
Subject: Driver Core: sound: add nodename for sound drivers
X-Git-Tag: v2.6.31-rc1~305^2~32
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=7a9d56f6a459472bc4383aeb85612d72e79d1818;p=profile%2Fivi%2Fkernel-x86-ivi.git

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_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;
 }