1 files changed, 13 insertions, 2 deletions

diff --git a/sound/usb/mixer_quirks.c b/sound/usb/mixer_quirks.c
index 7dae05d8783e..782f741cd00a 100644
--- a/sound/usb/mixer_quirks.c
+++ b/sound/usb/mixer_quirks.c
@@ -60,7 +60,7 @@ static const struct rc_config {
         { USB_ID(0x041e, 0x3000), 0, 1, 2, 1,  18, 0x0013 }, /* Extigy       */
         { USB_ID(0x041e, 0x3020), 2, 1, 6, 6,  18, 0x0013 }, /* Audigy 2 NX  */
         { USB_ID(0x041e, 0x3040), 2, 2, 6, 6,  2,  0x6e91 }, /* Live! 24-bit */
-        { USB_ID(0x041e, 0x3042), 0, 1, 1, 1,  1,  0x000d }, /* Usb X-Fi */
+        { USB_ID(0x041e, 0x3042), 0, 1, 1, 1,  1,  0x000d }, /* Usb X-Fi S51 */
         { USB_ID(0x041e, 0x3048), 2, 2, 6, 6,  2,  0x6e91 }, /* Toshiba SB0500 */
 };
 
@@ -183,7 +183,13 @@ static int snd_audigy2nx_led_put(struct snd_kcontrol *kcontrol, struct snd_ctl_e
         if (value > 1)
                 return -EINVAL;
         changed = value != mixer->audigy2nx_leds[index];
-        err = snd_usb_ctl_msg(mixer->chip->dev,
+        if (mixer->chip->usb_id == USB_ID(0x041e, 0x3042))
+                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, 0, NULL, 0, 100);
+        else
+                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);
@@ -225,8 +231,12 @@ static int snd_audigy2nx_controls_create(struct usb_mixer_interface *mixer)
         int i, err;
 
         for (i = 0; i < ARRAY_SIZE(snd_audigy2nx_controls); ++i) {
+                /* USB X-Fi S51 doesn't have a CMSS LED */
+                if ((mixer->chip->usb_id == USB_ID(0x041e, 0x3042)) && i == 0)
+                        continue;
                 if (i > 1 && /* Live24ext has 2 LEDs only */
                         (mixer->chip->usb_id == USB_ID(0x041e, 0x3040) ||
+                         mixer->chip->usb_id == USB_ID(0x041e, 0x3042) ||
                          mixer->chip->usb_id == USB_ID(0x041e, 0x3048)))
                         break; 
                 err = snd_ctl_add(mixer->chip->card,
@@ -365,6 +375,7 @@ int snd_usb_mixer_apply_create_quirk(struct usb_mixer_interface *mixer)
 
         if (mixer->chip->usb_id == USB_ID(0x041e, 0x3020) ||
             mixer->chip->usb_id == USB_ID(0x041e, 0x3040) ||
+            mixer->chip->usb_id == USB_ID(0x041e, 0x3042) ||
             mixer->chip->usb_id == USB_ID(0x041e, 0x3048)) {
                 if ((err = snd_audigy2nx_controls_create(mixer)) < 0)
                         return err;