xref: /openbmc/linux/sound/firewire/lib.h (revision 7bdbff67)
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 
12 /* returns true if retrying the transaction would not make sense */
13 static inline bool rcode_is_permanent_error(int rcode)
14 {
15 	return rcode == RCODE_TYPE_ERROR || rcode == RCODE_ADDRESS_ERROR;
16 }
17 
18 #endif
19