aboutsummaryrefslogblamecommitdiffstats
path: root/sound/firewire/lib.h
blob: 064f3fd9ab06a8f60743d1fb23b1685e28df4dfe (plain) (tree)


















                                                                         
#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