ASoC: soc-card: add snd_soc_card_suspend_pre()

Card related function should be implemented at soc-card now.
This patch adds it.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Link: https://lore.kernel.org/r/87367k25jc.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>
diff --git a/include/sound/soc-card.h b/include/sound/soc-card.h
index 41bafb5..58b6958 100644
--- a/include/sound/soc-card.h
+++ b/include/sound/soc-card.h
@@ -19,6 +19,8 @@ int snd_soc_card_jack_new(struct snd_soc_card *card, const char *id, int type,
 			  struct snd_soc_jack *jack,
 			  struct snd_soc_jack_pin *pins, unsigned int num_pins);
 
+int snd_soc_card_suspend_pre(struct snd_soc_card *card);
+
 /* device driver data */
 static inline void snd_soc_card_set_drvdata(struct snd_soc_card *card,
 					    void *data)