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 --- sound/soc/codecs/wm8978.c | 3 --- 1 files changed, 0 insertions(+), 3 deletions(-)
diff --git a/sound/soc/codecs/wm8978.c b/sound/soc/codecs/wm8978.c index 85e3e63..41ca4d9 100644 --- a/sound/soc/codecs/wm8978.c +++ b/sound/soc/codecs/wm8978.c @@ -52,7 +52,6 @@ static const u16 wm8978_reg[WM8978_CACHEREGNUM] = { /* codec private data */ struct wm8978_priv { enum snd_soc_control_type control_type; - void *control_data; unsigned int f_pllout; unsigned int f_mclk; unsigned int f_256fs; @@ -955,7 +954,6 @@ static int wm8978_probe(struct snd_soc_codec *codec) * default hardware setting */ wm8978->sysclk = WM8978_PLL; - codec->control_data = wm8978->control_data; ret = snd_soc_codec_set_cache_io(codec, 7, 9, SND_SOC_I2C); if (ret < 0) { dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret); @@ -1016,7 +1014,6 @@ static __devinit int wm8978_i2c_probe(struct i2c_client *i2c, return -ENOMEM;
i2c_set_clientdata(i2c, wm8978); - wm8978->control_data = i2c;
ret = snd_soc_register_codec(&i2c->dev, &soc_codec_dev_wm8978, &wm8978_dai, 1);