},
};
-static struct snd_kcontrol_new tumbler_hp_sw = {
+static const struct snd_kcontrol_new tumbler_hp_sw = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "Headphone Playback Switch",
.info = snd_pmac_boolean_mono_info,
.put = tumbler_put_mute_switch,
.private_value = TUMBLER_MUTE_HP,
};
-static struct snd_kcontrol_new tumbler_speaker_sw = {
+static const struct snd_kcontrol_new tumbler_speaker_sw = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "Speaker Playback Switch",
.info = snd_pmac_boolean_mono_info,
.put = tumbler_put_mute_switch,
.private_value = TUMBLER_MUTE_AMP,
};
-static struct snd_kcontrol_new tumbler_lineout_sw = {
+static const struct snd_kcontrol_new tumbler_lineout_sw = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "Line Out Playback Switch",
.info = snd_pmac_boolean_mono_info,
.put = tumbler_put_mute_switch,
.private_value = TUMBLER_MUTE_LINE,
};
-static struct snd_kcontrol_new tumbler_drc_sw = {
+static const struct snd_kcontrol_new tumbler_drc_sw = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "DRC Switch",
.info = snd_pmac_boolean_mono_info,