-static void snd_usb_soundblaster_remote_complete(struct urb *urb)
-{
- struct usb_mixer_interface *mixer = urb->context;
- const struct rc_config *rc = mixer->rc_cfg;
- u32 code;
-
- if (urb->status < 0 || urb->actual_length < rc->min_packet_length)
- return;
-
- code = mixer->rc_buffer[rc->offset];
- if (rc->length == 2)
- code |= mixer->rc_buffer[rc->offset + 1] << 8;
-
- /* the Mute button actually changes the mixer control */
- if (code == rc->mute_code)
- snd_usb_mixer_notify_id(mixer, rc->mute_mixer_id);
- mixer->rc_code = code;
- wmb();
- wake_up(&mixer->rc_waitq);
-}
-
-static int snd_usb_sbrc_hwdep_open(struct snd_hwdep *hw, struct file *file)
-{
- struct usb_mixer_interface *mixer = hw->private_data;
-
- if (test_and_set_bit(0, &mixer->rc_hwdep_open))
- return -EBUSY;
- return 0;
-}
-
-static int snd_usb_sbrc_hwdep_release(struct snd_hwdep *hw, struct file *file)
-{
- struct usb_mixer_interface *mixer = hw->private_data;
-
- clear_bit(0, &mixer->rc_hwdep_open);
- smp_mb__after_clear_bit();
- return 0;
-}
-
-static long snd_usb_sbrc_hwdep_read(struct snd_hwdep *hw, char __user *buf,
- long count, loff_t *offset)
-{
- struct usb_mixer_interface *mixer = hw->private_data;
- int err;
- u32 rc_code;
-
- if (count != 1 && count != 4)
- return -EINVAL;
- err = wait_event_interruptible(mixer->rc_waitq,
- (rc_code = xchg(&mixer->rc_code, 0)) != 0);
- if (err == 0) {
- if (count == 1)
- err = put_user(rc_code, buf);
- else
- err = put_user(rc_code, (u32 __user *)buf);
- }
- return err < 0 ? err : count;
-}
-
-static unsigned int snd_usb_sbrc_hwdep_poll(struct snd_hwdep *hw, struct file *file,
- poll_table *wait)
-{
- struct usb_mixer_interface *mixer = hw->private_data;
-
- poll_wait(file, &mixer->rc_waitq, wait);
- return mixer->rc_code ? POLLIN | POLLRDNORM : 0;
-}
-
-static int snd_usb_soundblaster_remote_init(struct usb_mixer_interface *mixer)
-{
- struct snd_hwdep *hwdep;
- int err, len, i;
-
- for (i = 0; i < ARRAY_SIZE(rc_configs); ++i)
- if (rc_configs[i].usb_id == mixer->chip->usb_id)
- break;
- if (i >= ARRAY_SIZE(rc_configs))
- return 0;
- mixer->rc_cfg = &rc_configs[i];
-
- len = mixer->rc_cfg->packet_length;
-
- init_waitqueue_head(&mixer->rc_waitq);
- err = snd_hwdep_new(mixer->chip->card, "SB remote control", 0, &hwdep);
- if (err < 0)
- return err;
- snprintf(hwdep->name, sizeof(hwdep->name),
- "%s remote control", mixer->chip->card->shortname);
- hwdep->iface = SNDRV_HWDEP_IFACE_SB_RC;
- hwdep->private_data = mixer;
- hwdep->ops.read = snd_usb_sbrc_hwdep_read;
- hwdep->ops.open = snd_usb_sbrc_hwdep_open;
- hwdep->ops.release = snd_usb_sbrc_hwdep_release;
- hwdep->ops.poll = snd_usb_sbrc_hwdep_poll;
-
- mixer->rc_urb = usb_alloc_urb(0, GFP_KERNEL);
- if (!mixer->rc_urb)
- return -ENOMEM;
- mixer->rc_setup_packet = kmalloc(sizeof(*mixer->rc_setup_packet), GFP_KERNEL);
- if (!mixer->rc_setup_packet) {
- usb_free_urb(mixer->rc_urb);
- mixer->rc_urb = NULL;
- return -ENOMEM;
- }
- mixer->rc_setup_packet->bRequestType =
- USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_INTERFACE;
- mixer->rc_setup_packet->bRequest = GET_MEM;
- mixer->rc_setup_packet->wValue = cpu_to_le16(0);
- mixer->rc_setup_packet->wIndex = cpu_to_le16(0);
- mixer->rc_setup_packet->wLength = cpu_to_le16(len);
- usb_fill_control_urb(mixer->rc_urb, mixer->chip->dev,
- usb_rcvctrlpipe(mixer->chip->dev, 0),
- (u8*)mixer->rc_setup_packet, mixer->rc_buffer, len,
- snd_usb_soundblaster_remote_complete, mixer);
- return 0;
-}
-
-#define snd_audigy2nx_led_info snd_ctl_boolean_mono_info
-
-static int snd_audigy2nx_led_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
-{
- struct usb_mixer_interface *mixer = snd_kcontrol_chip(kcontrol);
- int index = kcontrol->private_value;
-
- ucontrol->value.integer.value[0] = mixer->audigy2nx_leds[index];
- return 0;
-}
-
-static int snd_audigy2nx_led_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
-{
- struct usb_mixer_interface *mixer = snd_kcontrol_chip(kcontrol);
- int index = kcontrol->private_value;
- int value = ucontrol->value.integer.value[0];
- int err, changed;
-
- if (value > 1)
- return -EINVAL;
- changed = value != mixer->audigy2nx_leds[index];
- err = snd_usb_ctl_msg(mixer->chip->dev,
- usb_sndctrlpipe(mixer->chip->dev, 0), 0x24,
- USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
- value, index + 2, NULL, 0, 100);
- if (err < 0)
- return err;
- mixer->audigy2nx_leds[index] = value;
- return changed;
-}
-
-static struct snd_kcontrol_new snd_audigy2nx_controls[] = {
- {
- .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
- .name = "CMSS LED Switch",
- .info = snd_audigy2nx_led_info,
- .get = snd_audigy2nx_led_get,
- .put = snd_audigy2nx_led_put,
- .private_value = 0,
- },
- {
- .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
- .name = "Power LED Switch",
- .info = snd_audigy2nx_led_info,
- .get = snd_audigy2nx_led_get,
- .put = snd_audigy2nx_led_put,
- .private_value = 1,
- },
- {
- .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
- .name = "Dolby Digital LED Switch",
- .info = snd_audigy2nx_led_info,
- .get = snd_audigy2nx_led_get,
- .put = snd_audigy2nx_led_put,
- .private_value = 2,
- },
-};
-
-static int snd_audigy2nx_controls_create(struct usb_mixer_interface *mixer)
-{
- int i, err;
-
- for (i = 0; i < ARRAY_SIZE(snd_audigy2nx_controls); ++i) {
- if (i > 1 && /* Live24ext has 2 LEDs only */
- mixer->chip->usb_id == USB_ID(0x041e, 0x3040))
- break;
- err = snd_ctl_add(mixer->chip->card,
- snd_ctl_new1(&snd_audigy2nx_controls[i], mixer));
- if (err < 0)
- return err;
- }
- mixer->audigy2nx_leds[1] = 1; /* Power LED is on by default */
- return 0;
-}
-
-static void snd_audigy2nx_proc_read(struct snd_info_entry *entry,
- struct snd_info_buffer *buffer)
-{
- static const struct sb_jack {
- int unitid;
- const char *name;
- } jacks_audigy2nx[] = {
- {4, "dig in "},
- {7, "line in"},
- {19, "spk out"},
- {20, "hph out"},
- {-1, NULL}
- }, jacks_live24ext[] = {
- {4, "line in"}, /* &1=Line, &2=Mic*/
- {3, "hph out"}, /* headphones */
- {0, "RC "}, /* last command, 6 bytes see rc_config above */
- {-1, NULL}
- };
- const struct sb_jack *jacks;
- struct usb_mixer_interface *mixer = entry->private_data;
- int i, err;
- u8 buf[3];
-
- snd_iprintf(buffer, "%s jacks\n\n", mixer->chip->card->shortname);
- if (mixer->chip->usb_id == USB_ID(0x041e, 0x3020))
- jacks = jacks_audigy2nx;
- else if (mixer->chip->usb_id == USB_ID(0x041e, 0x3040))
- jacks = jacks_live24ext;
- else
- return;
-
- for (i = 0; jacks[i].name; ++i) {
- snd_iprintf(buffer, "%s: ", jacks[i].name);
- err = snd_usb_ctl_msg(mixer->chip->dev,
- usb_rcvctrlpipe(mixer->chip->dev, 0),
- GET_MEM, USB_DIR_IN | USB_TYPE_CLASS |
- USB_RECIP_INTERFACE, 0,
- jacks[i].unitid << 8, buf, 3, 100);
- if (err == 3 && (buf[0] == 3 || buf[0] == 6))
- snd_iprintf(buffer, "%02x %02x\n", buf[1], buf[2]);
- else
- snd_iprintf(buffer, "?\n");
- }
-}
-