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authorLinus Torvalds <torvalds@linux-foundation.org>2009-09-21 12:03:10 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2009-09-21 12:03:10 -0400
commitc720f5655df159a630fa0290a0bd67c93e92b0bf (patch)
tree940d139d0ec1ff5201efddef6cc663166a8a2df3 /Documentation/DocBook/v4l/keytable.c.xml
parent33e6c1a0de818d3698cdab27c42915661011319d (diff)
parent84d6ae431f315e8973aac3c3fe1d550fc9240ef3 (diff)
Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6
* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6: (222 commits) V4L/DVB (13033): pt1: Don't use a deprecated DMA_BIT_MASK macro V4L/DVB (13029): radio-si4713: remove #include <linux/version.h> V4L/DVB (13027): go7007: convert printks to v4l2_info V4L/DVB (13026): s2250-board: Implement brightness and contrast controls V4L/DVB (13025): s2250-board: Fix memory leaks V4L/DVB (13024): go7007: Implement vidioc_g_std and vidioc_querystd V4L/DVB (13023): go7007: Merge struct gofh and go declarations V4L/DVB (13022): go7007: Fix mpeg controls V4L/DVB (13021): go7007: Fix whitespace and line lengths V4L/DVB (13020): go7007: Updates to Kconfig and Makefile V4L/DVB (13019): video: initial support for ADV7180 V4L/DVB (13018): kzalloc failure ignored in au8522_probe() V4L/DVB (13017): gspca: kmalloc failure ignored in sd_start() V4L/DVB (13016): kmalloc failure ignored in lgdt3304_attach() and s921_attach() V4L/DVB (13015): kmalloc failure ignored in m920x_firmware_download() V4L/DVB (13014): Add support for Compro VideoMate E800 (DVB-T part only) V4L/DVB (13013): FM TX: si4713: Kconfig: Fixed two typos. V4L/DVB (13012): uvc: introduce missing kfree V4L/DVB (13011): Change tuner type of BeholdTV cards V4L/DVB (13009): gspca - stv06xx-hdcs: Reduce exposure range ...
Diffstat (limited to 'Documentation/DocBook/v4l/keytable.c.xml')
-rw-r--r--Documentation/DocBook/v4l/keytable.c.xml172
1 files changed, 172 insertions, 0 deletions
diff --git a/Documentation/DocBook/v4l/keytable.c.xml b/Documentation/DocBook/v4l/keytable.c.xml
new file mode 100644
index 000000000000..d53254a3be15
--- /dev/null
+++ b/Documentation/DocBook/v4l/keytable.c.xml
@@ -0,0 +1,172 @@
1<programlisting>
2/* keytable.c - This program allows checking/replacing keys at IR
3
4 Copyright (C) 2006-2009 Mauro Carvalho Chehab &lt;mchehab@infradead.org&gt;
5
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation, version 2 of the License.
9
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
14 */
15
16#include &lt;ctype.h&gt;
17#include &lt;errno.h&gt;
18#include &lt;fcntl.h&gt;
19#include &lt;stdio.h&gt;
20#include &lt;stdlib.h&gt;
21#include &lt;string.h&gt;
22#include &lt;linux/input.h&gt;
23#include &lt;sys/ioctl.h&gt;
24
25#include "parse.h"
26
27void prtcode (int *codes)
28{
29 struct parse_key *p;
30
31 for (p=keynames;p-&gt;name!=NULL;p++) {
32 if (p-&gt;value == (unsigned)codes[1]) {
33 printf("scancode 0x%04x = %s (0x%02x)\n", codes[0], p-&gt;name, codes[1]);
34 return;
35 }
36 }
37
38 if (isprint (codes[1]))
39 printf("scancode %d = '%c' (0x%02x)\n", codes[0], codes[1], codes[1]);
40 else
41 printf("scancode %d = 0x%02x\n", codes[0], codes[1]);
42}
43
44int parse_code(char *string)
45{
46 struct parse_key *p;
47
48 for (p=keynames;p-&gt;name!=NULL;p++) {
49 if (!strcasecmp(p-&gt;name, string)) {
50 return p-&gt;value;
51 }
52 }
53 return -1;
54}
55
56int main (int argc, char *argv[])
57{
58 int fd;
59 unsigned int i, j;
60 int codes[2];
61
62 if (argc&lt;2 || argc&gt;4) {
63 printf ("usage: %s &lt;device&gt; to get table; or\n"
64 " %s &lt;device&gt; &lt;scancode&gt; &lt;keycode&gt;\n"
65 " %s &lt;device&gt; &lt;keycode_file&gt;\n",*argv,*argv,*argv);
66 return -1;
67 }
68
69 if ((fd = open(argv[1], O_RDONLY)) &lt; 0) {
70 perror("Couldn't open input device");
71 return(-1);
72 }
73
74 if (argc==4) {
75 int value;
76
77 value=parse_code(argv[3]);
78
79 if (value==-1) {
80 value = strtol(argv[3], NULL, 0);
81 if (errno)
82 perror("value");
83 }
84
85 codes [0] = (unsigned) strtol(argv[2], NULL, 0);
86 codes [1] = (unsigned) value;
87
88 if(ioctl(fd, EVIOCSKEYCODE, codes))
89 perror ("EVIOCSKEYCODE");
90
91 if(ioctl(fd, EVIOCGKEYCODE, codes)==0)
92 prtcode(codes);
93 return 0;
94 }
95
96 if (argc==3) {
97 FILE *fin;
98 int value;
99 char *scancode, *keycode, s[2048];
100
101 fin=fopen(argv[2],"r");
102 if (fin==NULL) {
103 perror ("opening keycode file");
104 return -1;
105 }
106
107 /* Clears old table */
108 for (j = 0; j &lt; 256; j++) {
109 for (i = 0; i &lt; 256; i++) {
110 codes[0] = (j &lt;&lt; 8) | i;
111 codes[1] = KEY_RESERVED;
112 ioctl(fd, EVIOCSKEYCODE, codes);
113 }
114 }
115
116 while (fgets(s,sizeof(s),fin)) {
117 scancode=strtok(s,"\n\t =:");
118 if (!scancode) {
119 perror ("parsing input file scancode");
120 return -1;
121 }
122 if (!strcasecmp(scancode, "scancode")) {
123 scancode = strtok(NULL,"\n\t =:");
124 if (!scancode) {
125 perror ("parsing input file scancode");
126 return -1;
127 }
128 }
129
130 keycode=strtok(NULL,"\n\t =:(");
131 if (!keycode) {
132 perror ("parsing input file keycode");
133 return -1;
134 }
135
136 // printf ("parsing %s=%s:", scancode, keycode);
137 value=parse_code(keycode);
138 // printf ("\tvalue=%d\n",value);
139
140 if (value==-1) {
141 value = strtol(keycode, NULL, 0);
142 if (errno)
143 perror("value");
144 }
145
146 codes [0] = (unsigned) strtol(scancode, NULL, 0);
147 codes [1] = (unsigned) value;
148
149 // printf("\t%04x=%04x\n",codes[0], codes[1]);
150 if(ioctl(fd, EVIOCSKEYCODE, codes)) {
151 fprintf(stderr, "Setting scancode 0x%04x with 0x%04x via ",codes[0], codes[1]);
152 perror ("EVIOCSKEYCODE");
153 }
154
155 if(ioctl(fd, EVIOCGKEYCODE, codes)==0)
156 prtcode(codes);
157 }
158 return 0;
159 }
160
161 /* Get scancode table */
162 for (j = 0; j &lt; 256; j++) {
163 for (i = 0; i &lt; 256; i++) {
164 codes[0] = (j &lt;&lt; 8) | i;
165 if (!ioctl(fd, EVIOCGKEYCODE, codes) &amp;&amp; codes[1] != KEY_RESERVED)
166 prtcode(codes);
167 }
168 }
169 return 0;
170}
171
172</programlisting>