Currently codec->control_data is not initialized before calling process_sigma_firmware(codec->control_data, ADAU1701_FIRMWARE).
Signed-off-by: Axel Lin axel.lin@gmail.com --- sound/soc/codecs/adau1701.c | 4 ++++ 1 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/sound/soc/codecs/adau1701.c b/sound/soc/codecs/adau1701.c index 2758d5f..1354902 100644 --- a/sound/soc/codecs/adau1701.c +++ b/sound/soc/codecs/adau1701.c @@ -88,6 +88,7 @@
struct adau1701 { unsigned int dai_fmt; + void *control_data; };
static const struct snd_kcontrol_new adau1701_controls[] = { @@ -455,9 +456,11 @@ static struct snd_soc_dai_driver adau1701_dai = {
static int adau1701_probe(struct snd_soc_codec *codec) { + struct adau1701 *adau1701 = snd_soc_codec_get_drvdata(codec); int ret;
codec->dapm.idle_bias_off = 1; + codec->control_data = adau1701->control_data;
ret = adau1701_load_firmware(codec); if (ret) @@ -500,6 +503,7 @@ static __devinit int adau1701_i2c_probe(struct i2c_client *client, return -ENOMEM;
i2c_set_clientdata(client, adau1701); + adau1701->control_data = client; ret = snd_soc_register_codec(&client->dev, &adau1701_codec_drv, &adau1701_dai, 1); if (ret < 0)