lib.h

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#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);

/* 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