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added -c option for easier user. this is equivalent with -Dhw:#

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This commit is contained in:
Takashi Iwai 2002-01-08 17:22:23 +00:00
parent 295539577d
commit 9800bec72a
2 changed files with 19 additions and 5 deletions
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8
envy24control/envy24control.1
View file

@ -4,7 +4,7 @@ envy24control \- GUI control tool for Envy24 (ice1712) based
soundcards, under ALSA.
.SH SYNOPSIS
\fBenvy24control\fP [\fI-D\fP control-name]
\fBenvy24control\fP [\fI-c\fP card-number] [\fI-D\fP control-name]
.SH DESCRIPTION
\fBenvy24control\fP allows control of the digital mixer, channel gains
@ -14,12 +14,16 @@ displays a level meter for each input and output channel.
.SH INVOKING
\fBenvy24control\fP [\fI-D\fP control-name]
\fBenvy24control\fP [\fI-c\fP card-number] [\fI-D\fP control-name]
.TP
If no control-name is given, then the first sound card is used.
.SS Options
.TP
\fI-c\fP card-number
Use the card specified by card-number rather than the first card.
This is equivalent with \fI-Dhw:n\fP option where \fIn\fP is the card number.
.TP
\fI-D\fP control-name
Use the card specified by control-name rather than the first card,
normally this will be of the form hw:\fIn\fP where \fIn\fP is the sound

16
envy24control/envy24control.c
View file

@ -1144,13 +1144,13 @@ static void create_analog_volume(GtkWidget *main, GtkWidget *notebook, int page)
static void usage(void)
{
fprintf(stderr, "usage: envy24control [-D control-name]\n");
fprintf(stderr, "usage: envy24control [-c card#] [-D control-name]\n");
}
int main(int argc, char **argv)
{
GtkWidget *notebook;
char *name, title[128];
char *name, tmpname[8], title[128];
int i, c, err;
snd_ctl_card_info_t *hw_info;
snd_ctl_elem_value_t *val;
@ -1159,6 +1159,7 @@ int main(int argc, char **argv)
int page;
static struct option long_options[] = {
{"device", 1, 0, 'D'},
{"card", 1, 0, 'c'},
};
snd_ctl_card_info_alloca(&hw_info);
@ -1168,8 +1169,17 @@ int main(int argc, char **argv)
gtk_init(&argc, &argv);
name = "hw:0";
while ((c = getopt_long(argc, argv, "D:", long_options, NULL)) != -1) {
while ((c = getopt_long(argc, argv, "D:c:", long_options, NULL)) != -1) {
switch (c) {
case 'c':
i = atoi(optarg);
if (i < 0 || i >= 8) {
fprintf(stderr, "envy24control: invalid card number %d\n", i);
exit(1);
}
sprintf(tmpname, "hw:%d", i);
name = tmpname;
break;
case 'D':
name = optarg;
break;