ASoC: ams-delta: Fix compile error

snd_soc_dapm_mutex_unlock() wants a pointer to the DAPM context, not the CODEC.

Fixes: 03510ca0 ("ASoC: ams-delta: Update locking around use of DAPM pin API")
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@linaro.org>

sound/soc/omap/ams-delta.c

@@ -327,7 +327,7 @@ static void cx81801_close(struct tty_struct *tty)
 
 	snd_soc_dapm_sync_unlocked(dapm);
 
-	snd_soc_dapm_mutex_unlock(codec);
+	snd_soc_dapm_mutex_unlock(dapm);
 }
 
 /* Line discipline .hangup() */