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Add auto-probing of ice1712 cards

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The ice1712 card is probed automatically when no option is given.
This commit is contained in:
Takashi Iwai 2004-12-20 19:03:14 +00:00
parent 7ffb186591
commit a41170e153
1 changed files with 35 additions and 12 deletions
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47
envy24control/envy24control.c
View file

@ -1972,7 +1972,7 @@ int main(int argc, char **argv)
/* Go through gtk initialization */
gtk_init(&argc, &argv);
name = "hw:0";
name = NULL; /* probe */
card_number = 0;
input_channels = MAX_INPUT_CHANNELS;
output_channels = MAX_OUTPUT_CHANNELS;
@ -2055,17 +2055,40 @@ int main(int argc, char **argv)
default_profile = argv[optind];
}
if ((err = snd_ctl_open(&ctl, name, 0)) < 0) {
fprintf(stderr, "snd_ctl_open: %s\n", snd_strerror(err));
exit(EXIT_FAILURE);
}
if ((err = snd_ctl_card_info(ctl, hw_info)) < 0) {
fprintf(stderr, "snd_ctl_card_info: %s\n", snd_strerror(err));
exit(EXIT_FAILURE);
}
if (strcmp(snd_ctl_card_info_get_driver(hw_info), "ICE1712")) {
fprintf(stderr, "invalid card type (driver is %s)\n", snd_ctl_card_info_get_driver(hw_info));
exit(EXIT_FAILURE);
if (! name) {
/* probe cards */
static char cardname[8];
/* FIXME: hardcoded max number of cards */
for (card_number = 0; card_number < 8; card_number++) {
sprintf(cardname, "hw:%d", card_number);
if (snd_ctl_open(&ctl, cardname, 0) < 0)
continue;
if (snd_ctl_card_info(ctl, hw_info) < 0 ||
strcmp(snd_ctl_card_info_get_driver(hw_info), "ICE1712")) {
snd_ctl_close(ctl);
continue;
}
/* found */
name = cardname;
break;
}
if (! name) {
fprintf(stderr, "No ICE1712 cards found\n");
exit(EXIT_FAILURE);
}
} else {
if ((err = snd_ctl_open(&ctl, name, 0)) < 0) {
fprintf(stderr, "snd_ctl_open: %s\n", snd_strerror(err));
exit(EXIT_FAILURE);
}
if ((err = snd_ctl_card_info(ctl, hw_info)) < 0) {
fprintf(stderr, "snd_ctl_card_info: %s\n", snd_strerror(err));
exit(EXIT_FAILURE);
}
if (strcmp(snd_ctl_card_info_get_driver(hw_info), "ICE1712")) {
fprintf(stderr, "invalid card type (driver is %s)\n", snd_ctl_card_info_get_driver(hw_info));
exit(EXIT_FAILURE);
}
}
snd_ctl_elem_value_set_interface(val, SND_CTL_ELEM_IFACE_CARD);