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ALSA BTS #681 https://bugtrack.alsa-project.org/alsa-bug/view.php?id=681 The interface type of mixer controls is changed from IFACE_PCM to IFACE_MIXER according to the recent change of rme32/96 drivers.
49 lines
1.6 KiB
C
49 lines
1.6 KiB
C
/*****************************************************************************
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loopback.c
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Copyright (C) 2003 by Robert Vetter <postmaster@robertvetter.com>
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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******************************************************************************/
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#include "rmedigicontrol.h"
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static snd_ctl_elem_value_t *val;
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static void loopback_toggled(GtkToggleButton *c,gpointer p)
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{
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snd_ctl_elem_value_set_integer(val,0,gtk_toggle_button_get_active(c)?1:0);
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snd_ctl_elem_write(ctl, val);
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}
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GtkWidget *create_loopback_toggle()
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{
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GtkWidget *t;
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GtkWidget *box;
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char *elem_name="Loopback Input";
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box=gtk_hbox_new(FALSE,0);
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snd_ctl_elem_value_malloc(&val);
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snd_ctl_elem_value_set_interface(val, SND_CTL_ELEM_IFACE_MIXER);
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snd_ctl_elem_value_set_name(val,elem_name);
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snd_ctl_elem_read(ctl, val);
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t=gtk_check_button_new_with_label(elem_name);
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gtk_signal_connect(GTK_OBJECT(t),"toggled",GTK_SIGNAL_FUNC(loopback_toggled),NULL);
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if(snd_ctl_elem_value_get_integer(val,0))
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gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(t),TRUE);
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gtk_box_pack_start(GTK_BOX(box),t,TRUE,TRUE,0);
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return box;
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}
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