kernel_optimize_test/sound/usb/usx2y/us122l.h
Clemens Ladisch d82af9f9aa sound: usb: make the USB MIDI module more independent
Remove the dependecy from the USB MIDI code on the snd_usb_audio
structure.  This allows using the USB MIDI module from another driver
without having to pretend to be the generic USB audio driver.

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2009-11-24 10:19:59 +01:00

29 lines
461 B
C

#ifndef US122L_H
#define US122L_H
struct us122l {
struct snd_usb_audio chip;
int stride;
struct usb_stream_kernel sk;
struct mutex mutex;
struct file *first;
unsigned second_periods_polled;
struct file *master;
struct file *slave;
struct list_head midi_list;
atomic_t mmap_count;
};
#define US122L(c) ((struct us122l *)(c)->private_data)
#define NAME_ALLCAPS "US-122L"
#define USB_ID_US122L 0x800E
#define USB_ID_US144 0x800F
#endif