To facilitate the device tree support the probe function need to be rearanged. Small cleanup in the APLL frequency selection part as well.
Signed-off-by: Peter Ujfalusi peter.ujfalusi@ti.com --- drivers/mfd/twl4030-audio.c | 34 ++++++++++++++++------------------ 1 file changed, 16 insertions(+), 18 deletions(-)
diff --git a/drivers/mfd/twl4030-audio.c b/drivers/mfd/twl4030-audio.c index efa2d42..ca2d669 100644 --- a/drivers/mfd/twl4030-audio.c +++ b/drivers/mfd/twl4030-audio.c @@ -169,35 +169,30 @@ static int __devinit twl4030_audio_probe(struct platform_device *pdev) return -EINVAL; }
+ audio = devm_kzalloc(&pdev->dev, sizeof(struct twl4030_audio), + GFP_KERNEL); + if (!audio) + return -ENOMEM; + + mutex_init(&audio->mutex); + audio->audio_mclk = pdata->audio_mclk; + /* Configure APLL_INFREQ and disable APLL if enabled */ - val = 0; - switch (pdata->audio_mclk) { + switch (audio->audio_mclk) { case 19200000: - val |= TWL4030_APLL_INFREQ_19200KHZ; + val = TWL4030_APLL_INFREQ_19200KHZ; break; case 26000000: - val |= TWL4030_APLL_INFREQ_26000KHZ; + val = TWL4030_APLL_INFREQ_26000KHZ; break; case 38400000: - val |= TWL4030_APLL_INFREQ_38400KHZ; + val = TWL4030_APLL_INFREQ_38400KHZ; break; default: dev_err(&pdev->dev, "Invalid audio_mclk\n"); return -EINVAL; } - twl_i2c_write_u8(TWL4030_MODULE_AUDIO_VOICE, - val, TWL4030_REG_APLL_CTL); - - audio = devm_kzalloc(&pdev->dev, sizeof(struct twl4030_audio), - GFP_KERNEL); - if (!audio) - return -ENOMEM; - - platform_set_drvdata(pdev, audio); - - twl4030_audio_dev = pdev; - mutex_init(&audio->mutex); - audio->audio_mclk = pdata->audio_mclk; + twl_i2c_write_u8(TWL4030_MODULE_AUDIO_VOICE, val, TWL4030_REG_APLL_CTL);
/* Codec power */ audio->resource[TWL4030_AUDIO_RES_POWER].reg = TWL4030_REG_CODEC_MODE; @@ -222,6 +217,9 @@ static int __devinit twl4030_audio_probe(struct platform_device *pdev) childs++; }
+ platform_set_drvdata(pdev, audio); + twl4030_audio_dev = pdev; + if (childs) ret = mfd_add_devices(&pdev->dev, pdev->id, audio->cells, childs, NULL, 0);