int __devinit usb6fire_control_init(struct sfire_chip *chip)
{
int i;
int ret;
struct control_runtime *rt = kzalloc(sizeof(struct control_runtime),
GFP_KERNEL);
struct comm_runtime *comm_rt = chip->comm;
if (!rt)
return -ENOMEM;
rt->chip = chip;
rt->update_streaming = usb6fire_control_streaming_update;
rt->set_rate = usb6fire_control_set_rate;
rt->set_channels = usb6fire_control_set_channels;
i = 0;
while (init_data[i].type) {
comm_rt->write8(comm_rt, init_data[i].type, init_data[i].reg,
init_data[i].value);
i++;
}
usb6fire_control_opt_coax_update(rt);
usb6fire_control_line_phono_update(rt);
usb6fire_control_output_vol_update(rt);
usb6fire_control_output_mute_update(rt);
usb6fire_control_input_vol_update(rt);
usb6fire_control_streaming_update(rt);
ret = usb6fire_control_add_virtual(rt, chip->card,
"Master Playback Volume", vol_elements);
if (ret) {
snd_printk(KERN_ERR PREFIX "cannot add control.\n");
kfree(rt);
return ret;
}
ret = usb6fire_control_add_virtual(rt, chip->card,
"Master Playback Switch", mute_elements);
if (ret) {
snd_printk(KERN_ERR PREFIX "cannot add control.\n");
kfree(rt);
return ret;
}
i = 0;
while (elements[i].name) {
ret = snd_ctl_add(chip->card, snd_ctl_new1(&elements[i], rt));
if (ret < 0) {
kfree(rt);
snd_printk(KERN_ERR PREFIX "cannot add control.\n");
return ret;
}
i++;
}
chip->control = rt;
return 0;
}
static int usb6fire_control_line_phono_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct control_runtime *rt = snd_kcontrol_chip(kcontrol);
int changed = 0;
if (rt->line_phono_switch != ucontrol->value.integer.value[0]) {
rt->line_phono_switch = ucontrol->value.integer.value[0];
usb6fire_control_line_phono_update(rt);
changed = 1;
}
return changed;
}