ASoC: Remove unused "control_data" field of struct cs4270_private

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@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

diff --git a/sound/soc/codecs/cs4270.c b/sound/soc/codecs/cs4270.c
index 6cc8678f49f3b11d31453dcffd35b8ac8a430a8e..5830c934a1d139d38a5bf4e89df6fa14526900c3 100644 (file)
--- a/sound/soc/codecs/cs4270.c
+++ b/sound/soc/codecs/cs4270.c
@@ -128,7 +128,6 @@ static const char *supply_names[] = {
 /* Private data for the CS4270 */
 struct cs4270_private {
        enum snd_soc_control_type control_type;
-       void *control_data;
        unsigned int mclk; /* Input frequency of the MCLK pin */
        unsigned int mode; /* The mode (I2S or left-justified) */
        unsigned int slave_mode;
@@ -490,8 +489,6 @@ static int cs4270_probe(struct snd_soc_codec *codec)
        struct cs4270_private *cs4270 = snd_soc_codec_get_drvdata(codec);
        int i, ret;
 
-       codec->control_data = cs4270->control_data;
-
        /* Tell ASoC what kind of I/O to use to read the registers.  ASoC will
         * then do the I2C transactions itself.
         */
@@ -604,7 +601,7 @@ static int cs4270_soc_suspend(struct snd_soc_codec *codec, pm_message_t mesg)
 static int cs4270_soc_resume(struct snd_soc_codec *codec)
 {
        struct cs4270_private *cs4270 = snd_soc_codec_get_drvdata(codec);
-       struct i2c_client *i2c_client = codec->control_data;
+       struct i2c_client *i2c_client = to_i2c_client(codec->dev);
        int reg;
 
        regulator_bulk_enable(ARRAY_SIZE(cs4270->supplies),
@@ -690,7 +687,6 @@ static int cs4270_i2c_probe(struct i2c_client *i2c_client,
        }
 
        i2c_set_clientdata(i2c_client, cs4270);
-       cs4270->control_data = i2c_client;
        cs4270->control_type = SND_SOC_I2C;
 
        ret = snd_soc_register_codec(&i2c_client->dev,