As a preparatory patch for the upcoming -Wimplicit-fallthrough
compiler checks, replace with the standard "fall through" annotation
at the right place.  It has to be put right before the next label.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
                        ARRAY_SIZE(adau1761_jack_detect_controls));
                if (ret)
                        return ret;
-       case ADAU1761_DIGMIC_JACKDET_PIN_MODE_NONE: /* fallthrough */
+               /* fall through */
+       case ADAU1761_DIGMIC_JACKDET_PIN_MODE_NONE:
                ret = snd_soc_dapm_add_routes(dapm, adau1761_no_dmic_routes,
                        ARRAY_SIZE(adau1761_no_dmic_routes));
                if (ret)