[PATCH 32/64] Driver Core: sound: add nodename for sound drivers

From: Greg Kroah-Hartman
Date: Tue Jun 16 2009 - 01:58:47 EST


From: Kay Sievers <kay.sievers@xxxxxxxx>

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@xxxxxxxx>
Signed-off-by: Jan Blunck <jblunck@xxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx>
---
sound/sound_core.c | 7 +++++++
1 files changed, 7 insertions(+), 0 deletions(-)

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;
}

--
1.6.3.2

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