diff options
Diffstat (limited to 'sound/usb/6fire/control.c')
| -rw-r--r-- | sound/usb/6fire/control.c | 16 |
1 files changed, 6 insertions, 10 deletions
diff --git a/sound/usb/6fire/control.c b/sound/usb/6fire/control.c index 54656eed6e2e..9bd8dcbb68e4 100644 --- a/sound/usb/6fire/control.c +++ b/sound/usb/6fire/control.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Linux driver for TerraTec DMX 6Fire USB * @@ -10,11 +11,6 @@ * Thanks to: * - Holger Ruckdeschel: he found out how to control individual channel * volumes and introduced mute switch - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. */ #include <linux/interrupt.h> @@ -401,7 +397,7 @@ static int usb6fire_control_digital_thru_get(struct snd_kcontrol *kcontrol, return 0; } -static struct snd_kcontrol_new vol_elements[] = { +static const struct snd_kcontrol_new vol_elements[] = { { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = "Analog Playback Volume", @@ -441,7 +437,7 @@ static struct snd_kcontrol_new vol_elements[] = { {} }; -static struct snd_kcontrol_new mute_elements[] = { +static const struct snd_kcontrol_new mute_elements[] = { { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = "Analog Playback Switch", @@ -475,7 +471,7 @@ static struct snd_kcontrol_new mute_elements[] = { {} }; -static struct snd_kcontrol_new elements[] = { +static const struct snd_kcontrol_new elements[] = { { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = "Line/Phono Capture Route", @@ -521,7 +517,7 @@ static int usb6fire_control_add_virtual( struct control_runtime *rt, struct snd_card *card, char *name, - struct snd_kcontrol_new *elems) + const struct snd_kcontrol_new *elems) { int ret; int i; @@ -543,7 +539,7 @@ static int usb6fire_control_add_virtual( ret = snd_ctl_add(card, control); if (ret < 0) return ret; - ret = snd_ctl_add_slave(vmaster, control); + ret = snd_ctl_add_follower(vmaster, control); if (ret < 0) return ret; i++; |