diff options
Diffstat (limited to 'sound/usb/line6/toneport.c')
| -rw-r--r-- | sound/usb/line6/toneport.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/sound/usb/line6/toneport.c b/sound/usb/line6/toneport.c index 61fa6256d7b0..819e06b3f3db 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; } |