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alsactl: Allow card specification by device name (support for udev)

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Signed-off-by: Jaroslav Kysela <perex@perex.cz>
This commit is contained in:
Jaroslav Kysela 2008-08-18 16:57:18 +02:00
parent ef8bfcecda
commit 30744c02e7
1 changed files with 18 additions and 1 deletions
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19
alsactl/alsactl.c
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@ -82,9 +82,16 @@ int main(int argc, char *argv[])
{"version", 0, NULL, 'v'}, {"version", 0, NULL, 'v'},
{NULL, 0, NULL, 0}, {NULL, 0, NULL, 0},
}; };
char *devfiles[] = {
"/dev/snd/controlC",
"/dev/snd/pcmC",
"/dev/snd/midiC",
"/dev/snd/hwC",
NULL
};
char *cfgfile = SYS_ASOUNDRC; char *cfgfile = SYS_ASOUNDRC;
char *initfile = DATADIR "/init/00main"; char *initfile = DATADIR "/init/00main";
char *cardname; char *cardname, **tmp, ncardname[16];
int removestate = 0; int removestate = 0;
int res; int res;
@ -143,6 +150,16 @@ int main(int argc, char *argv[])
} }
cardname = argc - optind > 1 ? argv[optind + 1] : NULL; cardname = argc - optind > 1 ? argv[optind + 1] : NULL;
for (tmp = devfiles; cardname != NULL && tmp != NULL; tmp++) {
int len = strlen(*tmp);
if (!strncmp(cardname, *tmp, len)) {
long l = strtol(cardname + len, NULL, 0);
sprintf(ncardname, "%li", l);
cardname = ncardname;
break;
}
}
if (!strcmp(argv[optind], "init")) { if (!strcmp(argv[optind], "init")) {
res = init(initfile, cardname); res = init(initfile, cardname);
} else if (!strcmp(argv[optind], "store")) { } else if (!strcmp(argv[optind], "store")) {