diff options
Diffstat (limited to 'sound/usb/line6/pcm.c')
-rw-r--r-- | sound/usb/line6/pcm.c | 19 |
1 files changed, 12 insertions, 7 deletions
diff --git a/sound/usb/line6/pcm.c b/sound/usb/line6/pcm.c index 41aa3355e920..e85ada14a8e1 100644 --- a/sound/usb/line6/pcm.c +++ b/sound/usb/line6/pcm.c @@ -523,13 +523,6 @@ int line6_init_pcm(struct usb_line6 *line6, line6pcm->volume_monitor = 255; line6pcm->line6 = line6; - /* Read and write buffers are sized identically, so choose minimum */ - line6pcm->max_packet_size = min( - usb_maxpacket(line6->usbdev, - usb_rcvisocpipe(line6->usbdev, ep_read), 0), - usb_maxpacket(line6->usbdev, - usb_sndisocpipe(line6->usbdev, ep_write), 1)); - spin_lock_init(&line6pcm->out.lock); spin_lock_init(&line6pcm->in.lock); line6pcm->impulse_period = LINE6_IMPULSE_DEFAULT_PERIOD; @@ -539,6 +532,18 @@ int line6_init_pcm(struct usb_line6 *line6, pcm->private_data = line6pcm; pcm->private_free = line6_cleanup_pcm; + /* Read and write buffers are sized identically, so choose minimum */ + line6pcm->max_packet_size = min( + usb_maxpacket(line6->usbdev, + usb_rcvisocpipe(line6->usbdev, ep_read), 0), + usb_maxpacket(line6->usbdev, + usb_sndisocpipe(line6->usbdev, ep_write), 1)); + if (!line6pcm->max_packet_size) { + dev_err(line6pcm->line6->ifcdev, + "cannot get proper max packet size\n"); + return -EINVAL; + } + err = line6_create_audio_out_urbs(line6pcm); if (err < 0) return err; |