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https://github.com/alsa-project/alsa-utils
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alsactl: Add -g,--ignore option to ignore 'No soundcards found' error
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
This commit is contained in:
parent
0a8e8d581e
commit
f63ff476f3
4 changed files with 26 additions and 6 deletions
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@ -50,6 +50,11 @@ Select the configuration file to use. The default is /etc/asound.state.
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Used with restore command. Try to restore the matching control elements
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as much as possible. This option is set as default now.
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.TP
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\fI\-g, \-\-ignore\fP
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Used with store and restore commands. Do not show 'No soundcards found'
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and do not set an error exit code when soundcards are not installed.
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.TP
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\fI\-P, \-\-pedantic\fP
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Used with restore command. Don't restore mismatching control elements.
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@ -34,6 +34,7 @@
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int debugflag = 0;
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int force_restore = 1;
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int ignore_nocards = 0;
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char *command;
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char *statefile = NULL;
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@ -48,7 +49,8 @@ static void help(void)
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printf(" -f,--file # configuration file (default " SYS_ASOUNDRC ")\n");
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printf(" -F,--force try to restore the matching controls as much as possible\n");
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printf(" (default mode)\n");
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printf(" -P,--pedantic don't restore mismatching controls (old default)\n");
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printf(" -g,--ignore ignore 'No soundcards found' error\n");
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printf(" -P,--pedantic do not restore mismatching controls (old default)\n");
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printf(" -r,--runstate # save restore and init state to this file (only errors)\n");
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printf(" default settings is 'no file set'\n");
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printf(" -R,--remove remove runstate file at first, otherwise append errors\n");
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@ -75,6 +77,7 @@ int main(int argc, char *argv[])
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{"env", 1, NULL, 'E'},
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{"initfile", 1, NULL, 'i'},
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{"force", 0, NULL, 'F'},
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{"ignore", 0, NULL, 'g'},
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{"pedantic", 0, NULL, 'P'},
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{"runstate", 0, NULL, 'r'},
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{"remove", 0, NULL, 'R'},
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@ -99,7 +102,7 @@ int main(int argc, char *argv[])
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while (1) {
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int c;
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if ((c = getopt_long(argc, argv, "hdvf:FE:i:Pr:R", long_option, NULL)) < 0)
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if ((c = getopt_long(argc, argv, "hdvf:FgE:i:Pr:R", long_option, NULL)) < 0)
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break;
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switch (c) {
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case 'h':
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@ -111,6 +114,9 @@ int main(int argc, char *argv[])
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case 'F':
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force_restore = 1;
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break;
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case 'g':
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ignore_nocards = 1;
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break;
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case 'E':
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if (putenv(optarg)) {
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fprintf(stderr, "environment string '%s' is wrong\n", optarg);
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@ -1,5 +1,6 @@
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extern int debugflag;
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extern int force_restore;
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extern int ignore_nocards;
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extern char *command;
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extern char *statefile;
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@ -1507,8 +1507,12 @@ int save_state(const char *file, const char *cardname)
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break;
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if (card < 0) {
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if (first) {
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error("No soundcards found...");
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return -ENODEV;
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if (ignore_nocards) {
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return 0;
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} else {
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error("No soundcards found...");
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return -ENODEV;
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}
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}
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break;
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}
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@ -1606,8 +1610,12 @@ int load_state(const char *file, const char *initfile, const char *cardname)
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break;
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if (card < 0) {
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if (first) {
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error("No soundcards found...");
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return -ENODEV;
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if (ignore_nocards) {
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return 0;
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} else {
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error("No soundcards found...");
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return -ENODEV;
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}
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}
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break;
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}
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