diff options
Diffstat (limited to 'sound/soc/codecs/twl6040.c')
| -rw-r--r-- | sound/soc/codecs/twl6040.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/sound/soc/codecs/twl6040.c b/sound/soc/codecs/twl6040.c index add745e..8e355f2 100644 --- a/sound/soc/codecs/twl6040.c +++ b/sound/soc/codecs/twl6040.c @@ -31,6 +31,7 @@ #include <linux/wakelock.h> #include <linux/i2c/twl.h> #include <linux/mfd/twl6040-codec.h> +#include <linux/regulator/consumer.h> #include <sound/core.h> #include <sound/pcm.h> @@ -88,6 +89,7 @@ struct twl6040_data { int headset_mode; unsigned int clk_in; unsigned int sysclk; + struct regulator *vddhf_reg; u16 hs_left_step; u16 hs_right_step; u16 hf_left_step; @@ -99,6 +101,7 @@ struct twl6040_data { struct workqueue_struct *workqueue; struct delayed_work delayed_work; struct mutex mutex; + int hfdrv; struct twl6040_output headset; struct twl6040_output earphone; struct twl6040_output handsfree; @@ -1789,6 +1792,24 @@ static int twl6040_probe(struct snd_soc_codec *codec) mutex_init(&priv->mutex); + priv->vddhf_reg = regulator_get(codec->dev, "vddhf"); + if (IS_ERR(priv->vddhf_reg)) { + ret = PTR_ERR(priv->vddhf_reg); + dev_warn(codec->dev, "couldn't get VDDHF regulator %d\n", + ret); + priv->vddhf_reg = NULL; + } + + if (priv->vddhf_reg) { + ret = regulator_set_voltage(priv->vddhf_reg, + pdata->vddhf_uV, pdata->vddhf_uV); + if (ret) { + dev_warn(codec->dev, "failed to set VDDHF voltage %d\n", + ret); + goto reg_err; + } + } + init_completion(&priv->headset.ramp_done); init_completion(&priv->handsfree.ramp_done); init_completion(&priv->earphone.ramp_done); @@ -1853,6 +1874,8 @@ irq_err: wake_lock_destroy(&priv->wake_lock); destroy_workqueue(priv->ep_workqueue); epwork_err: + if (priv->vddhf_reg) + regulator_put(priv->vddhf_reg); destroy_workqueue(priv->hs_workqueue); hswork_err: destroy_workqueue(priv->hf_workqueue); @@ -1870,6 +1893,8 @@ static int twl6040_remove(struct snd_soc_codec *codec) twl6040_set_bias_level(codec, SND_SOC_BIAS_OFF); twl6040_free_irq(codec->control_data, TWL6040_IRQ_PLUG, codec); twl6040_free_irq(codec->control_data, TWL6040_IRQ_HF, codec); + if (priv->vddhf_reg) + regulator_put(priv->vddhf_reg); wake_lock_destroy(&priv->wake_lock); destroy_workqueue(priv->workqueue); destroy_workqueue(priv->hf_workqueue); @@ -1895,6 +1920,13 @@ static struct snd_soc_codec_driver soc_codec_dev_twl6040 = { static int __devinit twl6040_codec_probe(struct platform_device *pdev) { + struct twl4030_codec_audio_data *pdata = pdev->dev.platform_data; + + if (!pdata) { + dev_err(&pdev->dev, "platform_data is missing\n"); + return -EINVAL; + } + return snd_soc_register_codec(&pdev->dev, &soc_codec_dev_twl6040, twl6040_dai, ARRAY_SIZE(twl6040_dai)); } |