No one is using snd_soc_platform_trigger().
Let's remove it.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
 int snd_soc_set_runtime_hwparams(struct snd_pcm_substream *substream,
        const struct snd_pcm_hardware *hw);
 
-int snd_soc_platform_trigger(struct snd_pcm_substream *substream,
-               int cmd, struct snd_soc_platform *platform);
-
 int soc_dai_hw_params(struct snd_pcm_substream *substream,
                      struct snd_pcm_hw_params *params,
                      struct snd_soc_dai *dai);
 
 }
 EXPORT_SYMBOL_GPL(snd_soc_dpcm_can_be_params);
 
-int snd_soc_platform_trigger(struct snd_pcm_substream *substream,
-               int cmd, struct snd_soc_platform *platform)
-{
-       if (platform->driver->ops && platform->driver->ops->trigger)
-               return platform->driver->ops->trigger(substream, cmd);
-       return 0;
-}
-EXPORT_SYMBOL_GPL(snd_soc_platform_trigger);
-
 #ifdef CONFIG_DEBUG_FS
 static const char *dpcm_state_string(enum snd_soc_dpcm_state state)
 {