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pvrusb2-audio.c
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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 #include "pvrusb2-audio.h"
23 #include "pvrusb2-hdw-internal.h"
24 #include "pvrusb2-debug.h"
25 #include <linux/videodev2.h>
26 #include <media/msp3400.h>
27 #include <media/v4l2-common.h>
28 
29 
31  const int *def;
32  unsigned int cnt;
33 };
34 
35 static const int routing_scheme0[] = {
49 };
50 
51 static const struct routing_scheme routing_def0 = {
52  .def = routing_scheme0,
53  .cnt = ARRAY_SIZE(routing_scheme0),
54 };
55 
56 static const struct routing_scheme *routing_schemes[] = {
57  [PVR2_ROUTING_SCHEME_HAUPPAUGE] = &routing_def0,
58 };
59 
61 {
62  if (hdw->input_dirty || hdw->force_dirty) {
63  const struct routing_scheme *sp;
64  unsigned int sid = hdw->hdw_desc->signal_routing_scheme;
65  u32 input;
66 
67  pvr2_trace(PVR2_TRACE_CHIPS, "subdev msp3400 v4l2 set_stereo");
68  sp = (sid < ARRAY_SIZE(routing_schemes)) ?
69  routing_schemes[sid] : NULL;
70 
71  if ((sp != NULL) &&
72  (hdw->input_val >= 0) &&
73  (hdw->input_val < sp->cnt)) {
74  input = sp->def[hdw->input_val];
75  } else {
77  "*** WARNING *** subdev msp3400 set_input:"
78  " Invalid routing scheme (%u)"
79  " and/or input (%d)",
80  sid, hdw->input_val);
81  return;
82  }
83  sd->ops->audio->s_routing(sd, input,
85  }
86 }
87 
88 /*
89  Stuff for Emacs to see, in order to encourage consistent editing style:
90  *** Local Variables: ***
91  *** mode: c ***
92  *** fill-column: 70 ***
93  *** tab-width: 8 ***
94  *** c-basic-offset: 8 ***
95  *** End: ***
96  */