linux-sg2042/sound/firewire/lib.h

20 lines
514 B
C

#ifndef SOUND_FIREWIRE_LIB_H_INCLUDED
#define SOUND_FIREWIRE_LIB_H_INCLUDED
#include <linux/firewire-constants.h>
#include <linux/types.h>
struct fw_unit;
int snd_fw_transaction(struct fw_unit *unit, int tcode,
u64 offset, void *buffer, size_t length);
const char *rcode_string(unsigned int rcode);
/* returns true if retrying the transaction would not make sense */
static inline bool rcode_is_permanent_error(int rcode)
{
return rcode == RCODE_TYPE_ERROR || rcode == RCODE_ADDRESS_ERROR;
}
#endif