diff options
Diffstat (limited to 'sound/usb/line6/podhd.c')
| -rw-r--r-- | sound/usb/line6/podhd.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/sound/usb/line6/podhd.c b/sound/usb/line6/podhd.c index 49cd4a65e390..6ab23e5aee71 100644 --- a/sound/usb/line6/podhd.c +++ b/sound/usb/line6/podhd.c @@ -153,6 +153,7 @@ static struct line6_pcm_properties podx3_pcm_properties = { .rats = &podhd_ratden}, .bytes_per_channel = 3 /* SNDRV_PCM_FMTBIT_S24_3LE */ }; +static struct usb_driver podhd_driver; static void podhd_startup_start_workqueue(unsigned long data); static void podhd_startup_workqueue(struct work_struct *work); @@ -291,8 +292,14 @@ static void podhd_disconnect(struct usb_line6 *line6) struct usb_line6_podhd *pod = (struct usb_line6_podhd *)line6; if (pod->line6.properties->capabilities & LINE6_CAP_CONTROL) { + struct usb_interface *intf; + del_timer_sync(&pod->startup_timer); cancel_work_sync(&pod->startup_work); + + intf = usb_ifnum_to_if(line6->usbdev, + pod->line6.properties->ctrl_if); + usb_driver_release_interface(&podhd_driver, intf); } } @@ -304,10 +311,27 @@ static int podhd_init(struct usb_line6 *line6, { int err; struct usb_line6_podhd *pod = (struct usb_line6_podhd *) line6; + struct usb_interface *intf; line6->disconnect = podhd_disconnect; if (pod->line6.properties->capabilities & LINE6_CAP_CONTROL) { + /* claim the data interface */ + intf = usb_ifnum_to_if(line6->usbdev, + pod->line6.properties->ctrl_if); + if (!intf) { + dev_err(pod->line6.ifcdev, "interface %d not found\n", + pod->line6.properties->ctrl_if); + return -ENODEV; + } + + err = usb_driver_claim_interface(&podhd_driver, intf, NULL); + if (err != 0) { + dev_err(pod->line6.ifcdev, "can't claim interface %d, error %d\n", + pod->line6.properties->ctrl_if, err); + return err; + } + /* create sysfs entries: */ err = snd_card_add_dev_attr(line6->card, &podhd_dev_attr_group); if (err < 0) @@ -406,6 +430,7 @@ static const struct line6_properties podhd_properties_table[] = { .altsetting = 1, .ep_ctrl_r = 0x81, .ep_ctrl_w = 0x01, + .ctrl_if = 1, .ep_audio_r = 0x86, .ep_audio_w = 0x02, }, @@ -417,6 +442,7 @@ static const struct line6_properties podhd_properties_table[] = { .altsetting = 1, .ep_ctrl_r = 0x81, .ep_ctrl_w = 0x01, + .ctrl_if = 1, .ep_audio_r = 0x86, .ep_audio_w = 0x02, }, |