Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Alexander Sverdlin <subaparts@yandex.ru>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
        .digital_mute   = cs4271_digital_mute,
 };
 
-struct snd_soc_dai_driver cs4271_dai = {
+static struct snd_soc_dai_driver cs4271_dai = {
        .name = "cs4271-hifi",
        .playback = {
                .stream_name    = "Playback",
        return 0;
 };
 
-struct snd_soc_codec_driver soc_codec_dev_cs4271 = {
+static struct snd_soc_codec_driver soc_codec_dev_cs4271 = {
        .probe                  = cs4271_probe,
        .remove                 = cs4271_remove,
        .suspend                = cs4271_soc_suspend,