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Diffstat (limited to 'sound/usb/line6/toneport.c')
-rw-r--r--sound/usb/line6/toneport.c13
1 files changed, 10 insertions, 3 deletions
diff --git a/sound/usb/line6/toneport.c b/sound/usb/line6/toneport.c
index 61fa625..819e06b 100644
--- a/sound/usb/line6/toneport.c
+++ b/sound/usb/line6/toneport.c
@@ -182,16 +182,23 @@ static int snd_toneport_monitor_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_line6_pcm *line6pcm = snd_kcontrol_chip(kcontrol);
+ int err;
if (ucontrol->value.integer.value[0] == line6pcm->volume_monitor)
return 0;
line6pcm->volume_monitor = ucontrol->value.integer.value[0];
- if (line6pcm->volume_monitor > 0)
- line6_pcm_acquire(line6pcm, LINE6_STREAM_MONITOR);
- else
+ if (line6pcm->volume_monitor > 0) {
+ err = line6_pcm_acquire(line6pcm, LINE6_STREAM_MONITOR);
+ if (err < 0) {
+ line6pcm->volume_monitor = 0;
+ line6_pcm_release(line6pcm, LINE6_STREAM_MONITOR);
+ return err;
+ }
+ } else {
line6_pcm_release(line6pcm, LINE6_STREAM_MONITOR);
+ }
return 1;
}