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-rw-r--r--sound/firewire/tascam/tascam-hwdep.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/sound/firewire/tascam/tascam-hwdep.c b/sound/firewire/tascam/tascam-hwdep.c
index 4e4c1e9020e8..a80397116c48 100644
--- a/sound/firewire/tascam/tascam-hwdep.c
+++ b/sound/firewire/tascam/tascam-hwdep.c
@@ -123,6 +123,14 @@ static int hwdep_unlock(struct snd_tscm *tscm)
return err;
}
+static int tscm_hwdep_state(struct snd_tscm *tscm, void __user *arg)
+{
+ if (copy_to_user(arg, tscm->state, sizeof(tscm->state)))
+ return -EFAULT;
+
+ return 0;
+}
+
static int hwdep_release(struct snd_hwdep *hwdep, struct file *file)
{
struct snd_tscm *tscm = hwdep->private_data;
@@ -147,6 +155,8 @@ static int hwdep_ioctl(struct snd_hwdep *hwdep, struct file *file,
return hwdep_lock(tscm);
case SNDRV_FIREWIRE_IOCTL_UNLOCK:
return hwdep_unlock(tscm);
+ case SNDRV_FIREWIRE_IOCTL_TASCAM_STATE:
+ return tscm_hwdep_state(tscm, (void __user *)arg);
default:
return -ENOIOCTLCMD;
}