ALSA: snd-usb: make snd_usb_substream_capture_trigger static

Signed-off-by: Daniel Mack <zonque@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

1 files changed, 2 insertions, 1 deletions

diff --git a/sound/usb/pcm.c b/sound/usb/pcm.c
index fc7ce7c1b4fa..54607f8c4f66 100644
--- a/sound/usb/pcm.c
+++ b/sound/usb/pcm.c
@@ -1151,7 +1151,8 @@ static int snd_usb_substream_playback_trigger(struct snd_pcm_substream *substrea
         return -EINVAL;
 }
 
-int snd_usb_substream_capture_trigger(struct snd_pcm_substream *substream, int cmd)
+static int snd_usb_substream_capture_trigger(struct snd_pcm_substream *substream,
+                                             int cmd)
 {
         int err;
         struct snd_usb_substream *subs = substream->runtime->private_data;