ASoC: cs35l32: use true/false returns for bool functions

Return true or false instead of 1 and 0
Reported-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Brian Austin <brian.austin@cirrus.com>
Signed-off-by: Mark Brown <broonie@linaro.org>

sound/soc/codecs/cs35l32.c

@@ -121,9 +121,9 @@ static bool cs35l32_volatile_register(struct device *dev, unsigned int reg)
 	case CS35L32_INT_STATUS_2:
 	case CS35L32_INT_STATUS_3:
 	case CS35L32_LED_STATUS:
-		return 1;
+		return true;
 	default:
-		return 0;
+		return false;
 	}
 }
 
@@ -134,9 +134,9 @@ static bool cs35l32_precious_register(struct device *dev, unsigned int reg)
 	case CS35L32_INT_STATUS_2:
 	case CS35L32_INT_STATUS_3:
 	case CS35L32_LED_STATUS:
-		return 1;
+		return true;
 	default:
-		return 0;
+		return false;
 	}
 }