diff options
| -rw-r--r-- | sound/usb/usbmixer.c | 106 |
1 files changed, 95 insertions, 11 deletions
diff --git a/sound/usb/usbmixer.c b/sound/usb/usbmixer.c index d90d6fa7431..ec880ff5262 100644 --- a/sound/usb/usbmixer.c +++ b/sound/usb/usbmixer.c @@ -83,6 +83,8 @@ struct usb_mixer_interface { struct urb *rc_urb; struct usb_ctrlrequest *rc_setup_packet; u8 rc_buffer[6]; + + u8 audigy2nx_leds[3]; }; @@ -1846,6 +1848,85 @@ static int snd_usb_soundblaster_remote_init(struct usb_mixer_interface *mixer) return 0; } +static int snd_audigy2nx_led_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo) +{ + uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; + uinfo->count = 1; + uinfo->value.integer.min = 0; + uinfo->value.integer.max = 1; + return 0; +} + +static int snd_audigy2nx_led_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *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(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *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 snd_kcontrol_new_t 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) { + 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; +} + int snd_usb_create_mixer(snd_usb_audio_t *chip, int ctrlif) { static snd_device_ops_t dev_ops = { @@ -1871,23 +1952,26 @@ int snd_usb_create_mixer(snd_usb_audio_t *chip, int ctrlif) } if ((err = snd_usb_mixer_controls(mixer)) < 0 || - (err = snd_usb_mixer_status_create(mixer)) < 0) { - snd_usb_mixer_free(mixer); - return err; - } + (err = snd_usb_mixer_status_create(mixer)) < 0) + goto _error; - if ((err = snd_usb_soundblaster_remote_init(mixer)) < 0) { - snd_usb_mixer_free(mixer); - return err; + if ((err = snd_usb_soundblaster_remote_init(mixer)) < 0) + goto _error; + + if (mixer->chip->usb_id == USB_ID(0x041e, 0x3020)) { + if ((err = snd_audigy2nx_controls_create(mixer)) < 0) + goto _error; } err = snd_device_new(chip->card, SNDRV_DEV_LOWLEVEL, mixer, &dev_ops); - if (err < 0) { - snd_usb_mixer_free(mixer); - return err; - } + if (err < 0) + goto _error; list_add(&mixer->list, &chip->mixer_list); return 0; + +_error: + snd_usb_mixer_free(mixer); + return err; } void snd_usb_mixer_disconnect(struct list_head *p) |