1 #ifndef US122L_H 2 #define US122L_H 3 4 5 struct us122l { 6 struct snd_usb_audio chip; 7 int stride; 8 struct usb_stream_kernel sk; 9 10 struct mutex mutex; 11 struct file *first; 12 unsigned second_periods_polled; 13 struct file *master; 14 struct file *slave; 15 16 atomic_t mmap_count; 17 }; 18 19 20 #define US122L(c) ((struct us122l *)(c)->private_data) 21 22 #define NAME_ALLCAPS "US-122L" 23 24 #define USB_ID_US122L 0x800E 25 #define USB_ID_US144 0x800F 26 27 #endif 28