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/wm8974.c b/sound/soc/codecs/wm8974.c
index e41f999..a5fd017 100644
--- a/sound/soc/codecs/wm8974.c
+++ b/sound/soc/codecs/wm8974.c
@@ -582,7 +582,7 @@
 	.symmetric_rates = 1,
 };
 
-static int wm8974_suspend(struct snd_soc_codec *codec, pm_message_t state)
+static int wm8974_suspend(struct snd_soc_codec *codec)
 {
 	wm8974_set_bias_level(codec, SND_SOC_BIAS_OFF);
 	return 0;