linux/sound/pci/asihpi/hpimsginit.h
Eliot Blennerhassett 14652e67ff ALSA: asihpi - Add include guard.
Signed-off-by: Eliot Blennerhassett <eblennerhassett@audioscience.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2011-02-10 18:49:24 +01:00

47 lines
1.8 KiB
C

/******************************************************************************
AudioScience HPI driver
Copyright (C) 1997-2010 AudioScience Inc. <support@audioscience.com>
This program is free software; you can redistribute it and/or modify
it under the terms of version 2 of the GNU General Public License as
published by the Free Software Foundation;
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Hardware Programming Interface (HPI) Utility functions
(C) Copyright AudioScience Inc. 2007
*******************************************************************************/
/* Initialise response headers, or msg/response pairs.
Note that it is valid to just init a response e.g. when a lower level is
preparing a response to a message.
However, when sending a message, a matching response buffer must always be
prepared.
*/
#ifndef _HPIMSGINIT_H_
#define _HPIMSGINIT_H_
void hpi_init_response(struct hpi_response *phr, u16 object, u16 function,
u16 error);
void hpi_init_message_response(struct hpi_message *phm,
struct hpi_response *phr, u16 object, u16 function);
void hpi_init_responseV1(struct hpi_response_header *phr, u16 size,
u16 object, u16 function);
void hpi_init_message_responseV1(struct hpi_message_header *phm, u16 msg_size,
struct hpi_response_header *phr, u16 res_size, u16 object,
u16 function);
#endif /* _HPIMSGINIT_H_ */