[alsa-devel] [PATCH 2.6.30] ASoC: fix message display in CS4270 codec driver
Replace printk calls with dev_xxx calls. Set the 'dev' field of the codec and codec_dai structures so that these calls work.
Signed-off-by: Timur Tabi timur@freescale.com --- sound/soc/codecs/cs4270.c | 66 ++++++++++++++++++++++++++------------------ 1 files changed, 39 insertions(+), 27 deletions(-)
diff --git a/sound/soc/codecs/cs4270.c b/sound/soc/codecs/cs4270.c index 7962874..2c79a24 100644 --- a/sound/soc/codecs/cs4270.c +++ b/sound/soc/codecs/cs4270.c @@ -212,7 +212,7 @@ static int cs4270_set_dai_sysclk(struct snd_soc_dai *codec_dai, rates &= ~SNDRV_PCM_RATE_KNOT;
if (!rates) { - printk(KERN_ERR "cs4270: could not find a valid sample rate\n"); + dev_err(codec->dev, "could not find a valid sample rate\n"); return -EINVAL; }
@@ -253,7 +253,7 @@ static int cs4270_set_dai_fmt(struct snd_soc_dai *codec_dai, cs4270->mode = format & SND_SOC_DAIFMT_FORMAT_MASK; break; default: - printk(KERN_ERR "cs4270: invalid DAI format\n"); + dev_err(codec->dev, "invalid dai format\n"); ret = -EINVAL; }
@@ -284,7 +284,7 @@ static int cs4270_fill_cache(struct snd_soc_codec *codec) CS4270_FIRSTREG | 0x80, CS4270_NUMREGS, cache);
if (length != CS4270_NUMREGS) { - printk(KERN_ERR "cs4270: I2C read failure, addr=0x%x\n", + dev_err(codec->dev, "i2c read failure, addr=0x%x\n", i2c_client->addr); return -EIO; } @@ -340,7 +340,7 @@ static int cs4270_i2c_write(struct snd_soc_codec *codec, unsigned int reg, if (cache[reg - CS4270_FIRSTREG] != value) { struct i2c_client *client = codec->control_data; if (i2c_smbus_write_byte_data(client, reg, value)) { - printk(KERN_ERR "cs4270: I2C write failed\n"); + dev_err(codec->dev, "i2c write failed\n"); return -EIO; }
@@ -391,7 +391,7 @@ static int cs4270_hw_params(struct snd_pcm_substream *substream,
if (i == NUM_MCLK_RATIOS) { /* We did not find a matching ratio */ - printk(KERN_ERR "cs4270: could not find matching ratio\n"); + dev_err(codec->dev, "could not find matching ratio\n"); return -EINVAL; }
@@ -401,7 +401,7 @@ static int cs4270_hw_params(struct snd_pcm_substream *substream, CS4270_PWRCTL_PDN_ADC | CS4270_PWRCTL_PDN_DAC | CS4270_PWRCTL_PDN); if (ret < 0) { - printk(KERN_ERR "cs4270: I2C write failed\n"); + dev_err(codec->dev, "i2c write failed\n"); return ret; }
@@ -413,7 +413,7 @@ static int cs4270_hw_params(struct snd_pcm_substream *substream,
ret = snd_soc_write(codec, CS4270_MODE, reg); if (ret < 0) { - printk(KERN_ERR "cs4270: I2C write failed\n"); + dev_err(codec->dev, "i2c write failed\n"); return ret; }
@@ -430,13 +430,13 @@ static int cs4270_hw_params(struct snd_pcm_substream *substream, reg |= CS4270_FORMAT_DAC_LJ | CS4270_FORMAT_ADC_LJ; break; default: - printk(KERN_ERR "cs4270: unknown format\n"); + dev_err(codec->dev, "unknown dai format\n"); return -EINVAL; }
ret = snd_soc_write(codec, CS4270_FORMAT, reg); if (ret < 0) { - printk(KERN_ERR "cs4270: I2C write failed\n"); + dev_err(codec->dev, "i2c write failed\n"); return ret; }
@@ -447,7 +447,7 @@ static int cs4270_hw_params(struct snd_pcm_substream *substream, reg &= ~CS4270_MUTE_AUTO; ret = snd_soc_write(codec, CS4270_MUTE, reg); if (ret < 0) { - printk(KERN_ERR "cs4270: I2C write failed\n"); + dev_err(codec->dev, "i2c write failed\n"); return ret; }
@@ -460,7 +460,7 @@ static int cs4270_hw_params(struct snd_pcm_substream *substream, reg &= ~(CS4270_TRANS_SOFT | CS4270_TRANS_ZERO); ret = cs4270_i2c_write(codec, CS4270_TRANS, reg); if (ret < 0) { - printk(KERN_ERR "I2C write failed\n"); + dev_err(codec->dev, "i2c write failed\n"); return ret; }
@@ -468,7 +468,7 @@ static int cs4270_hw_params(struct snd_pcm_substream *substream,
ret = snd_soc_write(codec, CS4270_PWRCTL, 0); if (ret < 0) { - printk(KERN_ERR "cs4270: I2C write failed\n"); + dev_err(codec->dev, "i2c write failed\n"); return ret; }
@@ -570,7 +570,7 @@ static int cs4270_probe(struct platform_device *pdev) /* Register PCMs */ ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1); if (ret < 0) { - printk(KERN_ERR "cs4270: failed to create PCMs\n"); + dev_err(codec->dev, "failed to create pcms\n"); return ret; }
@@ -580,7 +580,7 @@ static int cs4270_probe(struct platform_device *pdev)
kctrl = snd_soc_cnew(&cs4270_snd_controls[i], codec, NULL); if (!kctrl) { - printk(KERN_ERR "cs4270: error creating control '%s'\n", + dev_err(codec->dev, "error creating control '%s'\n", cs4270_snd_controls[i].name); ret = -ENOMEM; goto error_free_pcms; @@ -588,7 +588,7 @@ static int cs4270_probe(struct platform_device *pdev)
ret = snd_ctl_add(codec->card, kctrl); if (ret < 0) { - printk(KERN_ERR "cs4270: error adding control '%s'\n", + dev_err(codec->dev, "error adding control '%s'\n", cs4270_snd_controls[i].name); goto error_free_pcms; } @@ -597,7 +597,7 @@ static int cs4270_probe(struct platform_device *pdev) /* And finally, register the socdev */ ret = snd_soc_init_card(socdev); if (ret < 0) { - printk(KERN_ERR "cs4270: failed to register card\n"); + dev_err(codec->dev, "failed to register card\n"); goto error_free_pcms; }
@@ -643,9 +643,9 @@ static int cs4270_i2c_probe(struct i2c_client *i2c_client, * comment for cs4270_codec. */ if (cs4270_codec) { - printk(KERN_ERR "cs4270: ignoring CS4270 at addr %X\n", + dev_err(&i2c_client->dev, "ignoring CS4270 at addr %X\n", i2c_client->addr); - printk(KERN_ERR "cs4270: only one CS4270 per board allowed\n"); + dev_err(&i2c_client->dev, "only one per board allowed\n"); /* Should we return something other than ENODEV here? */ return -ENODEV; } @@ -654,35 +654,35 @@ static int cs4270_i2c_probe(struct i2c_client *i2c_client,
ret = i2c_smbus_read_byte_data(i2c_client, CS4270_CHIPID); if (ret < 0) { - printk(KERN_ERR "cs4270: failed to read I2C at addr %X\n", + dev_err(&i2c_client->dev, "failed to read i2c at addr %X\n", i2c_client->addr); return ret; } /* The top four bits of the chip ID should be 1100. */ if ((ret & 0xF0) != 0xC0) { - printk(KERN_ERR "cs4270: device at addr %X is not a CS4270\n", + dev_err(&i2c_client->dev, "device at addr %X is not a CS4270\n", i2c_client->addr); return -ENODEV; }
- printk(KERN_INFO "cs4270: found device at I2C address %X\n", + dev_info(&i2c_client->dev, "found device at i2c address %X\n", i2c_client->addr); - printk(KERN_INFO "cs4270: hardware revision %X\n", ret & 0xF); + dev_info(&i2c_client->dev, "hardware revision %X\n", ret & 0xF);
/* Allocate enough space for the snd_soc_codec structure and our private data together. */ cs4270 = kzalloc(sizeof(struct cs4270_private), GFP_KERNEL); if (!cs4270) { - printk(KERN_ERR "cs4270: Could not allocate codec structure\n"); + dev_err(&i2c_client->dev, "could not allocate codec\n"); return -ENOMEM; } codec = &cs4270->codec; - cs4270_codec = codec;
mutex_init(&codec->mutex); INIT_LIST_HEAD(&codec->dapm_widgets); INIT_LIST_HEAD(&codec->dapm_paths);
+ codec->dev = &i2c_client->dev; codec->name = "CS4270"; codec->owner = THIS_MODULE; codec->dai = &cs4270_dai; @@ -698,17 +698,25 @@ static int cs4270_i2c_probe(struct i2c_client *i2c_client,
ret = cs4270_fill_cache(codec); if (ret < 0) { - printk(KERN_ERR "cs4270: failed to fill register cache\n"); + dev_err(&i2c_client->dev, "failed to fill register cache\n"); goto error_free_codec; }
+ /* Initialize the DAI. Normally, we'd prefer to have a kmalloc'd DAI + * structure for each CS4270 device, but the machine driver needs to + * have a pointer to the DAI structure, so for now it must be a global + * variable. + */ + cs4270_dai.dev = &i2c_client->dev; + /* Register the DAI. If all the other ASoC driver have already * registered, then this will call our probe function, so * cs4270_codec needs to be ready. */ + cs4270_codec = codec; ret = snd_soc_register_dai(&cs4270_dai); if (ret < 0) { - printk(KERN_ERR "cs4270: failed to register DAIe\n"); + dev_err(&i2c_client->dev, "failed to register DAIe\n"); goto error_free_codec; }
@@ -718,6 +726,8 @@ static int cs4270_i2c_probe(struct i2c_client *i2c_client,
error_free_codec: kfree(cs4270); + cs4270_codec = NULL; + cs4270_dai.dev = NULL;
return ret; } @@ -733,6 +743,8 @@ static int cs4270_i2c_remove(struct i2c_client *i2c_client) struct cs4270_private *cs4270 = i2c_get_clientdata(i2c_client);
kfree(cs4270); + cs4270_codec = NULL; + cs4270_dai.dev = NULL;
return 0; } @@ -776,7 +788,7 @@ EXPORT_SYMBOL_GPL(soc_codec_device_cs4270);
static int __init cs4270_init(void) { - printk(KERN_INFO "Cirrus Logic CS4270 ALSA SoC Codec Driver\n"); + pr_info("Cirrus Logic CS4270 ALSA SoC Codec Driver\n");
return i2c_add_driver(&cs4270_i2c_driver); }
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Timur Tabi