ASoC: Drop unused state parameter from CODEC suspend callback

The existence of this parameter is purely historical. None of the CODEC drivers
uses it and we always pass in the same value anyway, so it should be safe to
remove it.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Acked-by: Liam Girdwood <lrg@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
diff --git a/sound/soc/codecs/wm8770.c b/sound/soc/codecs/wm8770.c
index 391c385..8976eb5 100644
--- a/sound/soc/codecs/wm8770.c
+++ b/sound/soc/codecs/wm8770.c
@@ -555,7 +555,7 @@
 };
 
 #ifdef CONFIG_PM
-static int wm8770_suspend(struct snd_soc_codec *codec, pm_message_t state)
+static int wm8770_suspend(struct snd_soc_codec *codec)
 {
 	wm8770_set_bias_level(codec, SND_SOC_BIAS_OFF);
 	return 0;