ASoC: use of_property_read_bool

Use of_property_read_bool to check for the existence of a property.

The semantic patch that makes this change is as follows:
(http://coccinelle.lip6.fr/)

// <smpl>
@@
expression e1,e2;
statement S2,S1;
@@
-       if (of_get_property(e1,e2,NULL))
+       if (of_property_read_bool(e1,e2))
        S1 else S2
// </smpl>

Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/codecs/ab8500-codec.c

@@ -2408,28 +2408,28 @@ static void ab8500_codec_of_probe(struct device *dev, struct device_node *np,
 {
 	u32 value;
 
-	if (of_get_property(np, "stericsson,amic1-type-single-ended", NULL))
+	if (of_property_read_bool(np, "stericsson,amic1-type-single-ended"))
 		codec->amics.mic1_type = AMIC_TYPE_SINGLE_ENDED;
 	else
 		codec->amics.mic1_type = AMIC_TYPE_DIFFERENTIAL;
 
-	if (of_get_property(np, "stericsson,amic2-type-single-ended", NULL))
+	if (of_property_read_bool(np, "stericsson,amic2-type-single-ended"))
 		codec->amics.mic2_type = AMIC_TYPE_SINGLE_ENDED;
 	else
 		codec->amics.mic2_type = AMIC_TYPE_DIFFERENTIAL;
 
 	/* Has a non-standard Vamic been requested? */
-	if (of_get_property(np, "stericsson,amic1a-bias-vamic2", NULL))
+	if (of_property_read_bool(np, "stericsson,amic1a-bias-vamic2"))
 		codec->amics.mic1a_micbias = AMIC_MICBIAS_VAMIC2;
 	else
 		codec->amics.mic1a_micbias = AMIC_MICBIAS_VAMIC1;
 
-	if (of_get_property(np, "stericsson,amic1b-bias-vamic2", NULL))
+	if (of_property_read_bool(np, "stericsson,amic1b-bias-vamic2"))
 		codec->amics.mic1b_micbias = AMIC_MICBIAS_VAMIC2;
 	else
 		codec->amics.mic1b_micbias = AMIC_MICBIAS_VAMIC1;
 
-	if (of_get_property(np, "stericsson,amic2-bias-vamic1", NULL))
+	if (of_property_read_bool(np, "stericsson,amic2-bias-vamic1"))
 		codec->amics.mic2_micbias = AMIC_MICBIAS_VAMIC1;
 	else
 		codec->amics.mic2_micbias = AMIC_MICBIAS_VAMIC2;

sound/soc/sh/rcar/ssi.c

@@ -928,7 +928,7 @@ int rsnd_ssi_probe(struct rsnd_priv *priv)
 		}
 
 		ops = &rsnd_ssi_non_ops;
-		if (of_get_property(np, "pio-transfer", NULL))
+		if (of_property_read_bool(np, "pio-transfer"))
 			ops = &rsnd_ssi_pio_ops;
 		else
 			ops = &rsnd_ssi_dma_ops;

sound/soc/soc-core.c

@@ -3733,7 +3733,7 @@ unsigned int snd_soc_of_parse_daifmt(struct device_node *np,
 	 * SND_SOC_DAIFMT_CLOCK_MASK area
 	 */
 	snprintf(prop, sizeof(prop), "%scontinuous-clock", prefix);
-	if (of_get_property(np, prop, NULL))
+	if (of_property_read_bool(np, prop))
 		format |= SND_SOC_DAIFMT_CONT;
 	else
 		format |= SND_SOC_DAIFMT_GATED;