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-rw-r--r--sound/core/vmaster.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/sound/core/vmaster.c b/sound/core/vmaster.c
index 14a286a7bf2b..857586135d18 100644
--- a/sound/core/vmaster.c
+++ b/sound/core/vmaster.c
@@ -419,6 +419,7 @@ EXPORT_SYMBOL(snd_ctl_make_virtual_master);
* snd_ctl_add_vmaster_hook - Add a hook to a vmaster control
* @kcontrol: vmaster kctl element
* @hook: the hook function
+ * @private_data: the private_data pointer to be saved
*
* Adds the given hook to the vmaster control element so that it's called
* at each time when the value is changed.