Linux Kernel
3.7.1
Main Page
Related Pages
Modules
Namespaces
Data Structures
Files
File List
Globals
All
Data Structures
Namespaces
Files
Functions
Variables
Typedefs
Enumerations
Enumerator
Macros
Groups
Pages
drivers
media
usb
pvrusb2
pvrusb2-cs53l32a.c
Go to the documentation of this file.
1
/*
2
*
3
*
4
* Copyright (C) 2005 Mike Isely <
[email protected]
>
5
* Copyright (C) 2004 Aurelien Alleaume <
[email protected]
>
6
*
7
* This program is free software; you can redistribute it and/or modify
8
* it under the terms of the GNU General Public License as published by
9
* the Free Software Foundation; either version 2 of the License
10
*
11
* This program is distributed in the hope that it will be useful,
12
* but WITHOUT ANY WARRANTY; without even the implied warranty of
13
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14
* GNU General Public License for more details.
15
*
16
* You should have received a copy of the GNU General Public License
17
* along with this program; if not, write to the Free Software
18
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19
*
20
*/
21
22
/*
23
24
This source file is specifically designed to interface with the
25
v4l-dvb cs53l32a module.
26
27
*/
28
29
#include "
pvrusb2-cs53l32a.h
"
30
31
32
#include "
pvrusb2-hdw-internal.h
"
33
#include "
pvrusb2-debug.h
"
34
#include <linux/videodev2.h>
35
#include <
media/v4l2-common.h
>
36
#include <linux/errno.h>
37
38
struct
routing_scheme
{
39
const
int
*
def
;
40
unsigned
int
cnt
;
41
};
42
43
44
static
const
int
routing_scheme1[] = {
45
[
PVR2_CVAL_INPUT_TV
] = 2,
/* 1 or 2 seems to work here */
46
[
PVR2_CVAL_INPUT_RADIO
] = 2,
47
[
PVR2_CVAL_INPUT_COMPOSITE
] = 0,
48
[
PVR2_CVAL_INPUT_SVIDEO
] = 0,
49
};
50
51
static
const
struct
routing_scheme
routing_def1 = {
52
.def = routing_scheme1,
53
.cnt =
ARRAY_SIZE
(routing_scheme1),
54
};
55
56
static
const
struct
routing_scheme
*routing_schemes[] = {
57
[
PVR2_ROUTING_SCHEME_ONAIR
] = &routing_def1,
58
};
59
60
61
void
pvr2_cs53l32a_subdev_update
(
struct
pvr2_hdw
*hdw,
struct
v4l2_subdev
*
sd
)
62
{
63
if
(hdw->input_dirty || hdw->
force_dirty
) {
64
const
struct
routing_scheme
*
sp
;
65
unsigned
int
sid
= hdw->
hdw_desc
->signal_routing_scheme;
66
u32
input
;
67
pvr2_trace
(
PVR2_TRACE_CHIPS
,
"subdev v4l2 set_input(%d)"
,
68
hdw->input_val);
69
sp = (sid <
ARRAY_SIZE
(routing_schemes)) ?
70
routing_schemes[sid] :
NULL
;
71
if
((sp ==
NULL
) ||
72
(hdw->input_val < 0) ||
73
(hdw->input_val >= sp->
cnt
)) {
74
pvr2_trace
(
PVR2_TRACE_ERROR_LEGS
,
75
"*** WARNING *** subdev v4l2 set_input:"
76
" Invalid routing scheme (%u)"
77
" and/or input (%d)"
,
78
sid, hdw->input_val);
79
return
;
80
}
81
input = sp->
def
[hdw->input_val];
82
sd->
ops
->audio->s_routing(sd, input, 0, 0);
83
}
84
}
85
86
87
/*
88
Stuff for Emacs to see, in order to encourage consistent editing style:
89
*** Local Variables: ***
90
*** mode: c ***
91
*** fill-column: 70 ***
92
*** tab-width: 8 ***
93
*** c-basic-offset: 8 ***
94
*** End: ***
95
*/
Generated on Thu Jan 10 2013 13:52:06 for Linux Kernel by
1.8.2