treewide: remove redundant IS_ERR() before error code check
[linux/fpc-iii.git] / drivers / media / pci / ivtv / ivtv-mailbox.h
blob537c90437e1df09da60e74ccebb7b6b041dc5837
1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /*
3 mailbox functions
4 Copyright (C) 2003-2004 Kevin Thayer <nufan_wfk at yahoo.com>
5 Copyright (C) 2005-2007 Hans Verkuil <hverkuil@xs4all.nl>
7 */
9 #ifndef IVTV_MAILBOX_H
10 #define IVTV_MAILBOX_H
12 #define IVTV_MBOX_DMA_END 8
13 #define IVTV_MBOX_DMA 9
15 void ivtv_api_get_data(struct ivtv_mailbox_data *mbdata, int mb,
16 int argc, u32 data[]);
17 int ivtv_api(struct ivtv *itv, int cmd, int args, u32 data[]);
18 int ivtv_vapi_result(struct ivtv *itv, u32 data[CX2341X_MBOX_MAX_DATA], int cmd, int args, ...);
19 int ivtv_vapi(struct ivtv *itv, int cmd, int args, ...);
20 int ivtv_api_func(void *priv, u32 cmd, int in, int out, u32 data[CX2341X_MBOX_MAX_DATA]);
21 void ivtv_mailbox_cache_invalidate(struct ivtv *itv);
23 #endif