diff options
Diffstat (limited to 'drivers/usb/gadget/function/f_midi.c')
| -rw-r--r-- | drivers/usb/gadget/function/f_midi.c | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/drivers/usb/gadget/function/f_midi.c b/drivers/usb/gadget/function/f_midi.c index 5cd77be95b79..ec2a9cee4589 100644 --- a/drivers/usb/gadget/function/f_midi.c +++ b/drivers/usb/gadget/function/f_midi.c @@ -717,6 +717,7 @@ static int f_midi_bind(struct usb_configuration *c, struct usb_function *f) struct usb_midi_out_jack_descriptor_1 jack_out_emb_desc[MAX_PORTS]; struct usb_composite_dev *cdev = c->cdev; struct f_midi *midi = func_to_midi(f); + struct usb_string *us; int status, n, jack = 1, i = 0; midi->gadget = cdev->gadget; @@ -726,12 +727,13 @@ static int f_midi_bind(struct usb_configuration *c, struct usb_function *f) goto fail_register; /* maybe allocate device-global string ID */ - if (midi_string_defs[0].id == 0) { - status = usb_string_id(c->cdev); - if (status < 0) - goto fail; - midi_string_defs[0].id = status; + us = usb_gstrings_attach(c->cdev, midi_strings, + ARRAY_SIZE(midi_string_defs)); + if (IS_ERR(us)) { + status = PTR_ERR(us); + goto fail; } + ac_interface_desc.iInterface = us[STRING_FUNC_IDX].id; /* We have two interfaces, AudioControl and MIDIStreaming */ status = usb_interface_id(c, f); @@ -991,7 +993,6 @@ struct usb_function *f_midi_alloc(struct usb_function_instance *fi) midi->qlen = opts->qlen; midi->func.name = "gmidi function"; - midi->func.strings = midi_strings; midi->func.bind = f_midi_bind; midi->func.unbind = f_midi_unbind; midi->func.set_alt = f_midi_set_alt; |