1 #ifndef SOUND_FIREWIRE_LIB_H_INCLUDED 2 #define SOUND_FIREWIRE_LIB_H_INCLUDED 3 4 #include <linux/firewire-constants.h> 5 #include <linux/types.h> 6 7 struct fw_unit; 8 9 int snd_fw_transaction(struct fw_unit *unit, int tcode, 10 u64 offset, void *buffer, size_t length); 11 const char *rcode_string(unsigned int rcode); 12 13 /* returns true if retrying the transaction would not make sense */ 14 static inline bool rcode_is_permanent_error(int rcode) 15 { 16 return rcode == RCODE_TYPE_ERROR || rcode == RCODE_ADDRESS_ERROR; 17 } 18 19 #endif 20