snd_usb_combine_bytes
unsigned int snd_usb_combine_bytes(unsigned char *bytes, int size);
master_bits = snd_usb_combine_bytes(bmaControls, csize);
mask = snd_usb_combine_bytes(bmaControls +
mask = snd_usb_combine_bytes(bmaControls +
*value_ret = convert_signed_value(cval, snd_usb_combine_bytes(buf, val_len));
snd_usb_combine_bytes(val, val_size));