diff options
Diffstat (limited to 'drivers/usb/gadget/gmidi.c')
| -rw-r--r-- | drivers/usb/gadget/gmidi.c | 61 |
1 files changed, 16 insertions, 45 deletions
diff --git a/drivers/usb/gadget/gmidi.c b/drivers/usb/gadget/gmidi.c index 681bd038b1d..881aab86ae9 100644 --- a/drivers/usb/gadget/gmidi.c +++ b/drivers/usb/gadget/gmidi.c @@ -22,7 +22,6 @@ #include <linux/kernel.h> #include <linux/slab.h> -#include <linux/utsname.h> #include <linux/module.h> #include <linux/device.h> @@ -31,16 +30,13 @@ #include <sound/rawmidi.h> #include <linux/usb/ch9.h> +#include <linux/usb/composite.h> #include <linux/usb/gadget.h> #include <linux/usb/audio.h> #include <linux/usb/midi.h> #include "gadget_chips.h" -#include "composite.c" -#include "usbstring.c" -#include "config.c" -#include "epautoconf.c" #include "f_midi.c" /*-------------------------------------------------------------------------*/ @@ -51,6 +47,8 @@ MODULE_LICENSE("GPL v2"); static const char shortname[] = "g_midi"; static const char longname[] = "MIDI Gadget"; +USB_GADGET_COMPOSITE_OPTIONS(); + static int index = SNDRV_DEFAULT_IDX1; module_param(index, int, S_IRUGO); MODULE_PARM_DESC(index, "Index value for the USB MIDI Gadget adapter."); @@ -85,9 +83,7 @@ MODULE_PARM_DESC(out_ports, "Number of MIDI output ports"); /* string IDs are assigned dynamically */ -#define STRING_MANUFACTURER_IDX 0 -#define STRING_PRODUCT_IDX 1 -#define STRING_DESCRIPTION_IDX 2 +#define STRING_DESCRIPTION_IDX USB_GADGET_FIRST_AVAIL_IDX static struct usb_device_descriptor device_desc = { .bLength = USB_DT_DEVICE_SIZE, @@ -102,8 +98,9 @@ static struct usb_device_descriptor device_desc = { }; static struct usb_string strings_dev[] = { - [STRING_MANUFACTURER_IDX].s = "Grey Innovation", - [STRING_PRODUCT_IDX].s = "MIDI Gadget", + [USB_GADGET_MANUFACTURER_IDX].s = "Grey Innovation", + [USB_GADGET_PRODUCT_IDX].s = "MIDI Gadget", + [USB_GADGET_SERIAL_IDX].s = "", [STRING_DESCRIPTION_IDX].s = "MIDI", { } /* end of list */ }; @@ -140,61 +137,35 @@ static int __init midi_bind_config(struct usb_configuration *c) static int __init midi_bind(struct usb_composite_dev *cdev) { - struct usb_gadget *gadget = cdev->gadget; - int gcnum, status; - - status = usb_string_id(cdev); - if (status < 0) - return status; - strings_dev[STRING_MANUFACTURER_IDX].id = status; - device_desc.iManufacturer = status; - - status = usb_string_id(cdev); - if (status < 0) - return status; - strings_dev[STRING_PRODUCT_IDX].id = status; - device_desc.iProduct = status; + int status; - /* config description */ - status = usb_string_id(cdev); + status = usb_string_ids_tab(cdev, strings_dev); if (status < 0) return status; - strings_dev[STRING_DESCRIPTION_IDX].id = status; - - midi_config.iConfiguration = status; - - gcnum = usb_gadget_controller_number(gadget); - if (gcnum < 0) { - /* gmidi is so simple (no altsettings) that - * it SHOULD NOT have problems with bulk-capable hardware. - * so warn about unrecognized controllers, don't panic. - */ - pr_warning("%s: controller '%s' not recognized\n", - __func__, gadget->name); - device_desc.bcdDevice = cpu_to_le16(0x9999); - } else { - device_desc.bcdDevice = cpu_to_le16(0x0200 + gcnum); - } + device_desc.iManufacturer = strings_dev[USB_GADGET_MANUFACTURER_IDX].id; + device_desc.iProduct = strings_dev[USB_GADGET_PRODUCT_IDX].id; + midi_config.iConfiguration = strings_dev[STRING_DESCRIPTION_IDX].id; status = usb_add_config(cdev, &midi_config, midi_bind_config); if (status < 0) return status; - + usb_composite_overwrite_options(cdev, &coverwrite); pr_info("%s\n", longname); return 0; } -static struct usb_composite_driver midi_driver = { +static __refdata struct usb_composite_driver midi_driver = { .name = (char *) longname, .dev = &device_desc, .strings = dev_strings, .max_speed = USB_SPEED_HIGH, + .bind = midi_bind, .unbind = __exit_p(midi_unbind), }; static int __init midi_init(void) { - return usb_composite_probe(&midi_driver, midi_bind); + return usb_composite_probe(&midi_driver); } module_init(midi_init); |