[mirror_ubuntu-bionic-kernel.git] / sound / firewire / lib.h

#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
Commit	Line	Data
31ef9134 CL	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