lib.c File Reference

#include <linux/delay.h>
#include <linux/device.h>
#include <linux/firewire.h>
#include <linux/module.h>
#include "lib.h"

Go to the source code of this file.

Macros
#define	ERROR_RETRY_DELAY_MS   5

Functions
int	snd_fw_transaction (struct fw_unit *unit, int tcode, u64 offset, void *buffer, size_t length)
	EXPORT_SYMBOL (snd_fw_transaction)
	MODULE_DESCRIPTION ("FireWire audio helper functions")
	MODULE_AUTHOR ("Clemens Ladisch <[email protected]>")
	MODULE_LICENSE ("GPL v2")

Macro Definition Documentation

#define ERROR_RETRY_DELAY_MS   5

Definition at line 14 of file lib.c.

Function Documentation

EXPORT_SYMBOL

(

snd_fw_transaction

)

MODULE_AUTHOR

(

"Clemens Ladisch <[email protected]>"

)

MODULE_DESCRIPTION

(

"FireWire audio helper functions"

)

MODULE_LICENSE

(

"GPL v2"

)

int snd_fw_transaction	(	struct fw_unit *	unit,
		int	tcode,
		u64	offset,
		void *	buffer,
		size_t	length
	)

snd_fw_transaction - send a request and wait for its completion : the driver's unit on the target device : the transaction code : the address in the target's address space : input/output data : length of

Submits an asynchronous request to the target device, and waits for the response. The node ID and the current generation are derived from . On a bus reset or an error, the transaction is retried a few times. Returns zero on success, or a negative error code.

Definition at line 29 of file lib.c.