ALSA: usb-audio: Make snd_usb_pcm_delay() static
It's a local function, let's make it static.
Link: https://lore.kernel.org/r/20210601162457.4877-2-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/usb/pcm.c b/sound/usb/pcm.c
index e5311b6..359c759 100644
--- a/sound/usb/pcm.c
+++ b/sound/usb/pcm.c
@@ -29,8 +29,8 @@
#define SUBSTREAM_FLAG_SYNC_EP_STARTED 1
/* return the estimated delay based on USB frame counters */
-snd_pcm_uframes_t snd_usb_pcm_delay(struct snd_usb_substream *subs,
- unsigned int rate)
+static snd_pcm_uframes_t snd_usb_pcm_delay(struct snd_usb_substream *subs,
+ unsigned int rate)
{
int current_frame_number;
int frame_diff;
diff --git a/sound/usb/pcm.h b/sound/usb/pcm.h
index 06c5864..493a4e3 100644
--- a/sound/usb/pcm.h
+++ b/sound/usb/pcm.h
@@ -2,9 +2,6 @@
#ifndef __USBAUDIO_PCM_H
#define __USBAUDIO_PCM_H
-snd_pcm_uframes_t snd_usb_pcm_delay(struct snd_usb_substream *subs,
- unsigned int rate);
-
void snd_usb_set_pcm_ops(struct snd_pcm *pcm, int stream);
int snd_usb_pcm_suspend(struct snd_usb_stream *as);
int snd_usb_pcm_resume(struct snd_usb_stream *as);
