Merge branch 'topic/usb-audio' into for-linus

[cascardo/linux.git] / sound / usb / usbmixer.c

diff --git a/sound/usb/usbmixer.c b/sound/usb/usbmixer.c
index 6615cd3..ecb58e7 100644 (file)
--- a/sound/usb/usbmixer.c
+++ b/sound/usb/usbmixer.c
@@ -79,7 +79,6 @@ struct usb_mixer_interface {
 
        /* Sound Blaster remote control stuff */
        const struct rc_config *rc_cfg;
-       unsigned long rc_hwdep_open;
        u32 rc_code;
        wait_queue_head_t rc_waitq;
        struct urb *rc_urb;
@@ -1820,24 +1819,6 @@ static void snd_usb_soundblaster_remote_complete(struct urb *urb)
        wake_up(&mixer->rc_waitq);
 }
 
-static int snd_usb_sbrc_hwdep_open(struct snd_hwdep *hw, struct file *file)
-{
-       struct usb_mixer_interface *mixer = hw->private_data;
-
-       if (test_and_set_bit(0, &mixer->rc_hwdep_open))
-               return -EBUSY;
-       return 0;
-}
-
-static int snd_usb_sbrc_hwdep_release(struct snd_hwdep *hw, struct file *file)
-{
-       struct usb_mixer_interface *mixer = hw->private_data;
-
-       clear_bit(0, &mixer->rc_hwdep_open);
-       smp_mb__after_clear_bit();
-       return 0;
-}
-
 static long snd_usb_sbrc_hwdep_read(struct snd_hwdep *hw, char __user *buf,
                                     long count, loff_t *offset)
 {
@@ -1890,9 +1871,8 @@ static int snd_usb_soundblaster_remote_init(struct usb_mixer_interface *mixer)
        hwdep->iface = SNDRV_HWDEP_IFACE_SB_RC;
        hwdep->private_data = mixer;
        hwdep->ops.read = snd_usb_sbrc_hwdep_read;
-       hwdep->ops.open = snd_usb_sbrc_hwdep_open;
-       hwdep->ops.release = snd_usb_sbrc_hwdep_release;
        hwdep->ops.poll = snd_usb_sbrc_hwdep_poll;
+       hwdep->exclusive = 1;
 
        mixer->rc_urb = usb_alloc_urb(0, GFP_KERNEL);
        if (!mixer->rc_urb)