From mboxrd@z Thu Jan 1 00:00:00 1970 From: Lars-Peter Clausen Subject: Re: [PATCH 1/2] ASoC: adau1701: Initialize codec->control_data before using it Date: Wed, 28 Sep 2011 09:13:14 +0200 Message-ID: <4E82C90A.5090905@metafoo.de> References: <1317188861.13692.1.camel@phoenix> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1317188861.13692.1.camel@phoenix> Sender: linux-kernel-owner@vger.kernel.org To: Axel Lin Cc: linux-kernel@vger.kernel.org, Cliff Cai , Liam Girdwood , Mark Brown , alsa-devel@alsa-project.org List-Id: alsa-devel@alsa-project.org On 09/28/2011 07:47 AM, Axel Lin wrote: > Currently codec->control_data is not initialized before calling > process_sigma_firmware(codec->control_data, ADAU1701_FIRMWARE). Just replacing codec->control_data with to_i2c_client(codec->dev) should be a simpler patch to fix the issue. Thanks - Lars > > Signed-off-by: Axel Lin > --- > 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)