After removing code, only one case remains. So use an 'if' instead.
Acked-by: Daniel Mack <daniel@caiaq.de>
Signed-off-by: Mark Hills <mark@pogo.org.uk>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
        int pos = kcontrol->private_value;
        unsigned char cmd = EP1_CMD_WRITE_IO;
 
-       switch (dev->chip.usb_id) {
-       case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_TRAKTORKONTROLX1):
+       if (dev->chip.usb_id ==
+               USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_TRAKTORKONTROLX1))
                cmd = EP1_CMD_DIMM_LEDS;
-               break;
-       }
 
        if (pos & CNT_INTVAL) {
                dev->control_state[pos & ~CNT_INTVAL]