127 lines
3.9 KiB
Diff
127 lines
3.9 KiB
Diff
From f63ff476f3538f519ac8ff0acd4acdab29889ad5 Mon Sep 17 00:00:00 2001
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From: Jaroslav Kysela <perex@perex.cz>
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Date: Thu, 18 Sep 2008 09:40:02 +0200
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Subject: [PATCH] alsactl: Add -g,--ignore option to ignore 'No soundcards found' error
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Signed-off-by: Jaroslav Kysela <perex@perex.cz>
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---
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alsactl/alsactl.1 | 5 +++++
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alsactl/alsactl.c | 10 ++++++++--
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alsactl/alsactl.h | 1 +
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alsactl/state.c | 16 ++++++++++++----
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4 files changed, 26 insertions(+), 6 deletions(-)
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diff --git a/alsactl/alsactl.1 b/alsactl/alsactl.1
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index d7f30f6..b038a82 100644
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--- a/alsactl/alsactl.1
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+++ b/alsactl/alsactl.1
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@@ -51,6 +51,11 @@ 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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+
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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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This option was the old default behavior.
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diff --git a/alsactl/alsactl.c b/alsactl/alsactl.c
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index 57957bf..f846316 100644
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--- a/alsactl/alsactl.c
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+++ b/alsactl/alsactl.c
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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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diff --git a/alsactl/alsactl.h b/alsactl/alsactl.h
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index 408b145..44d27f1 100644
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--- a/alsactl/alsactl.h
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+++ b/alsactl/alsactl.h
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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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diff --git a/alsactl/state.c b/alsactl/state.c
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index 554020b..576721a 100644
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--- a/alsactl/state.c
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+++ b/alsactl/state.c
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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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--
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1.6.0.GIT
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