linux-kernel - [PATCH 2/6] ASoC: Remove unused "control_data" field of struct wm8940

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Message-ID: <1317127296.7207.4.camel@phoenix>
Date:	Tue, 27 Sep 2011 20:41:36 +0800
From:	Axel Lin <axel.lin@...il.com>
To:	linux-kernel@...r.kernel.org
Cc:	Jonathan Cameron <jic23@....ac.uk>,
	Mark Brown <broonie@...nsource.wolfsonmicro.com>,
	Liam Girdwood <lrg@...com>, alsa-devel@...a-project.org
Subject: [PATCH 2/6] ASoC: Remove unused "control_data" field of struct
 wm8940_priv

The control_data field is used to initialize the codec's control_data field,
but since this is also done by the snd-soc-cache core, the redundant
assignment can be removed and the field can be dropped.

Signed-off-by: Axel Lin <axel.lin@...il.com>
---
 sound/soc/codecs/wm8940.c |    3 ---
 1 files changed, 0 insertions(+), 3 deletions(-)

diff --git a/sound/soc/codecs/wm8940.c b/sound/soc/codecs/wm8940.c
index 056daa0..7e0f54c 100644
--- a/sound/soc/codecs/wm8940.c
+++ b/sound/soc/codecs/wm8940.c
@@ -43,7 +43,6 @@
 struct wm8940_priv {
 	unsigned int sysclk;
 	enum snd_soc_control_type control_type;
-	void *control_data;
 };
 
 static u16 wm8940_reg_defaults[] = {
@@ -693,7 +692,6 @@ static int wm8940_probe(struct snd_soc_codec *codec)
 	int ret;
 	u16 reg;
 
-	codec->control_data = wm8940->control_data;
 	ret = snd_soc_codec_set_cache_io(codec, 8, 16, wm8940->control_type);
 	if (ret < 0) {
 		dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret);
@@ -758,7 +756,6 @@ static __devinit int wm8940_i2c_probe(struct i2c_client *i2c,
 		return -ENOMEM;
 
 	i2c_set_clientdata(i2c, wm8940);
-	wm8940->control_data = i2c;
 	wm8940->control_type = SND_SOC_I2C;
 
 	ret = snd_soc_register_codec(&i2c->dev,
-- 
1.7.4.1



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