ASoC: cs42l52: Make MICA/B mixer dependent on mic config

MICA/B Single-Ended input selection depends on mica/b config so lets
make the mixer controls for them only show for selected mic's

Signed-off-by: Brian Austin <brian.austin@cirrus.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
diff --git a/include/sound/cs42l52.h b/include/sound/cs42l52.h
index daa91f3..bbabf84 100644
--- a/include/sound/cs42l52.h
+++ b/include/sound/cs42l52.h
@@ -16,11 +16,11 @@
 	/* MICBIAS Level. Check datasheet Pg48 */
 	unsigned int micbias_lvl;
 
-	/* MICA mode selection 0=Single 1=Differential */
-	unsigned int mica_cfg;
+	/* MICA mode selection Differential or Single-ended */
+	bool mica_diff_cfg;
 
-	/* MICB mode selection 0=Single 1=Differential */
-	unsigned int micb_cfg;
+	/* MICB mode selection Differential or Single-ended */
+	bool micb_diff_cfg;
 
 	/* Charge Pump Freq. Check datasheet Pg73 */
 	unsigned int chgfreq;