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alsactl: Add -g,--ignore option to ignore 'No soundcards found' error

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Signed-off-by: Jaroslav Kysela <perex@perex.cz>
This commit is contained in:
Jaroslav Kysela 2008-09-18 09:40:02 +02:00
parent 0a8e8d581e
commit f63ff476f3
4 changed files with 26 additions and 6 deletions
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5
alsactl/alsactl.1
View file

@ -50,6 +50,11 @@ Select the configuration file to use. The default is /etc/asound.state.
Used with restore command. Try to restore the matching control elements
as much as possible. This option is set as default now.
.TP
\fI\-g, \-\-ignore\fP
Used with store and restore commands. Do not show 'No soundcards found'
and do not set an error exit code when soundcards are not installed.
.TP
\fI\-P, \-\-pedantic\fP
Used with restore command. Don't restore mismatching control elements.

10
alsactl/alsactl.c
View file

@ -34,6 +34,7 @@
int debugflag = 0;
int force_restore = 1;
int ignore_nocards = 0;
char *command;
char *statefile = NULL;
@ -48,7 +49,8 @@ static void help(void)
printf(" -f,--file # configuration file (default " SYS_ASOUNDRC ")\n");
printf(" -F,--force try to restore the matching controls as much as possible\n");
printf(" (default mode)\n");
printf(" -P,--pedantic don't restore mismatching controls (old default)\n");
printf(" -g,--ignore ignore 'No soundcards found' error\n");
printf(" -P,--pedantic do not restore mismatching controls (old default)\n");
printf(" -r,--runstate # save restore and init state to this file (only errors)\n");
printf(" default settings is 'no file set'\n");
printf(" -R,--remove remove runstate file at first, otherwise append errors\n");
@ -75,6 +77,7 @@ int main(int argc, char *argv[])
{"env", 1, NULL, 'E'},
{"initfile", 1, NULL, 'i'},
{"force", 0, NULL, 'F'},
{"ignore", 0, NULL, 'g'},
{"pedantic", 0, NULL, 'P'},
{"runstate", 0, NULL, 'r'},
{"remove", 0, NULL, 'R'},
@ -99,7 +102,7 @@ int main(int argc, char *argv[])
while (1) {
int c;
if ((c = getopt_long(argc, argv, "hdvf:FE:i:Pr:R", long_option, NULL)) < 0)
if ((c = getopt_long(argc, argv, "hdvf:FgE:i:Pr:R", long_option, NULL)) < 0)
break;
switch (c) {
case 'h':
@ -111,6 +114,9 @@ int main(int argc, char *argv[])
case 'F':
force_restore = 1;
break;
case 'g':
ignore_nocards = 1;
break;
case 'E':
if (putenv(optarg)) {
fprintf(stderr, "environment string '%s' is wrong\n", optarg);

1
alsactl/alsactl.h
View file

@ -1,5 +1,6 @@
extern int debugflag;
extern int force_restore;
extern int ignore_nocards;
extern char *command;
extern char *statefile;

16
alsactl/state.c
View file

@ -1507,8 +1507,12 @@ int save_state(const char *file, const char *cardname)
break;
if (card < 0) {
if (first) {
error("No soundcards found...");
return -ENODEV;
if (ignore_nocards) {
return 0;
} else {
error("No soundcards found...");
return -ENODEV;
}
}
break;
}
@ -1606,8 +1610,12 @@ int load_state(const char *file, const char *initfile, const char *cardname)
break;
if (card < 0) {
if (first) {
error("No soundcards found...");
return -ENODEV;
if (ignore_nocards) {
return 0;
} else {
error("No soundcards found...");
return -ENODEV;
}
}
break;
}