ASoC: wm5102: Replace w->codec snd_soc_dapm_to_codec(w->dapm)

The codec field of the snd_soc_widget struct is eventually going to be
removed, use snd_soc_dapm_to_codec(w->dapm) instead.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Acked-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
diff --git a/sound/soc/codecs/wm5100.c b/sound/soc/codecs/wm5100.c
index b80970d..ea09db5 100644
--- a/sound/soc/codecs/wm5100.c
+++ b/sound/soc/codecs/wm5100.c
@@ -775,7 +775,8 @@
 			 struct snd_kcontrol *kcontrol,
 			 int event)
 {
-	struct wm5100_priv *wm5100 = snd_soc_codec_get_drvdata(w->codec);
+	struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
+	struct wm5100_priv *wm5100 = snd_soc_codec_get_drvdata(codec);
 
 	switch (w->reg) {
 	case WM5100_CHANNEL_ENABLES_1:
@@ -839,7 +840,7 @@
 			  struct snd_kcontrol *kcontrol,
 			  int event)
 {
-	struct snd_soc_codec *codec = w->codec;
+	struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
 	struct wm5100_priv *wm5100 = snd_soc_codec_get_drvdata(codec);
 	int ret;