linux-kernel - [PATCH 11/11] ASoC: use of_property_read

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Date:	Fri,  5 Aug 2016 10:56:51 +0200
From:	Julia Lawall <Julia.Lawall@...6.fr>
To:	Liam Girdwood <lgirdwood@...il.com>
Cc:	kernel-janitors@...r.kernel.org, Mark Brown <broonie@...nel.org>,
	Jaroslav Kysela <perex@...ex.cz>,
	Takashi Iwai <tiwai@...e.com>, alsa-devel@...a-project.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH 11/11] 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@...6.fr>

---
 sound/soc/codecs/ab8500-codec.c |   10 +++++-----
 sound/soc/sh/rcar/ssi.c         |    2 +-
 sound/soc/soc-core.c            |    2 +-
 3 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/sound/soc/codecs/ab8500-codec.c b/sound/soc/codecs/ab8500-codec.c
index 2fc8915..1d4059c 100644
--- a/sound/soc/codecs/ab8500-codec.c
+++ b/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;
diff --git a/sound/soc/sh/rcar/ssi.c b/sound/soc/sh/rcar/ssi.c
index 5f848f0..6cb6db0 100644
--- a/sound/soc/sh/rcar/ssi.c
+++ b/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;
diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index 16369ca..ead49d0 100644
--- a/sound/soc/soc-core.c
+++ b/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;