diff options
| author | Peter Ujfalusi <peter.ujfalusi@ti.com> | 2012-09-10 13:46:21 +0300 |
|---|---|---|
| committer | Samuel Ortiz <sameo@linux.intel.com> | 2012-09-18 15:44:02 +0200 |
| commit | cdf4b67099ee8e038178a9e7d83c1aa16618c1ca (patch) | |
| tree | da4ce981dee312c82473dc755f66d0e23eb272e0 /drivers/mfd/twl4030-audio.c | |
| parent | 39c1421db694ee2594bbb2196b1b5a3085e3c656 (diff) | |
| download | lwn-cdf4b67099ee8e038178a9e7d83c1aa16618c1ca.tar.gz lwn-cdf4b67099ee8e038178a9e7d83c1aa16618c1ca.zip | |
mfd: twl4030-audio: Rearange and clean-up the probe function
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>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Diffstat (limited to 'drivers/mfd/twl4030-audio.c')
| -rw-r--r-- | drivers/mfd/twl4030-audio.c | 34 |
1 files changed, 16 insertions, 18 deletions
diff --git a/drivers/mfd/twl4030-audio.c b/drivers/mfd/twl4030-audio.c index 2ab8a1a96b91..42e69ae63c44 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, NULL); |