ASoC: wm5100: Use WARN_ON() instead of BUG_ON()

Use WARN_ON() and handle the error cases accordingly.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Mark Brown <broonie@linaro.org>
diff --git a/sound/soc/codecs/wm5100.c b/sound/soc/codecs/wm5100.c
index ac1745d..4cf91de 100644
--- a/sound/soc/codecs/wm5100.c
+++ b/sound/soc/codecs/wm5100.c
@@ -1972,7 +1972,8 @@
 {
 	struct wm5100_jack_mode *mode = &wm5100->pdata.jack_modes[the_mode];
 
-	BUG_ON(the_mode >= ARRAY_SIZE(wm5100->pdata.jack_modes));
+	if (WARN_ON(the_mode >= ARRAY_SIZE(wm5100->pdata.jack_modes)))
+		return;
 
 	gpio_set_value_cansleep(wm5100->pdata.hp_pol, mode->hp_pol);
 	regmap_update_bits(wm5100->regmap, WM5100_ACCESSORY_DETECT_MODE_1,