1 files changed, 2 insertions, 0 deletions

diff --git a/sound/usb/usbaudio.c b/sound/usb/usbaudio.c
index 4ada98e16309..b8e0b8fda607 100644
--- a/sound/usb/usbaudio.c
+++ b/sound/usb/usbaudio.c
@@ -1997,6 +1997,7 @@ static struct snd_pcm_ops snd_usb_playback_ops = {
         .trigger =      snd_usb_pcm_playback_trigger,
         .pointer =      snd_usb_pcm_pointer,
         .page =         snd_pcm_lib_get_vmalloc_page,
+        .mmap =         snd_pcm_lib_mmap_vmalloc,
 };
 
 static struct snd_pcm_ops snd_usb_capture_ops = {
@@ -2009,6 +2010,7 @@ static struct snd_pcm_ops snd_usb_capture_ops = {
         .trigger =      snd_usb_pcm_capture_trigger,
         .pointer =      snd_usb_pcm_pointer,
         .page =         snd_pcm_lib_get_vmalloc_page,
+        .mmap =         snd_pcm_lib_mmap_vmalloc,
 };