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mfd: 88pm860x: Move gpadc init into touch

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The initilization of GPADC is moved from core driver to touch driver
with DT support.

Signed-off-by: Haojian Zhuang <haojian.zhuang@gmail.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
This commit is contained in:
Haojian Zhuang
2012-09-21 18:06:53 +08:00
committed by Samuel Ortiz
parent 2e57d56747
commit fe1d38e80d
2 changed files with 85 additions and 57 deletions
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51
drivers/mfd/88pm860x-core.c
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@@ -558,53 +558,6 @@ static struct irq_domain_ops pm860x_irq_domain_ops = {
.xlate = irq_domain_xlate_onetwocell,
};
static int __devinit device_gpadc_init(struct pm860x_chip *chip,
struct pm860x_platform_data *pdata)
{
struct i2c_client *i2c = (chip->id == CHIP_PM8607) ? chip->client \
: chip->companion;
int data;
int ret;
/* initialize GPADC without activating it */
if (!pdata || !pdata->touch)
return -EINVAL;
/* set GPADC MISC1 register */
data = 0;
data |= (pdata->touch->gpadc_prebias << 1) & PM8607_GPADC_PREBIAS_MASK;
data |= (pdata->touch->slot_cycle << 3) & PM8607_GPADC_SLOT_CYCLE_MASK;
data |= (pdata->touch->off_scale << 5) & PM8607_GPADC_OFF_SCALE_MASK;
data |= (pdata->touch->sw_cal << 7) & PM8607_GPADC_SW_CAL_MASK;
if (data) {
ret = pm860x_reg_write(i2c, PM8607_GPADC_MISC1, data);
if (ret < 0)
goto out;
}
/* set tsi prebias time */
if (pdata->touch->tsi_prebias) {
data = pdata->touch->tsi_prebias;
ret = pm860x_reg_write(i2c, PM8607_TSI_PREBIAS, data);
if (ret < 0)
goto out;
}
/* set prebias & prechg time of pen detect */
data = 0;
data |= pdata->touch->pen_prebias & PM8607_PD_PREBIAS_MASK;
data |= (pdata->touch->pen_prechg << 5) & PM8607_PD_PRECHG_MASK;
if (data) {
ret = pm860x_reg_write(i2c, PM8607_PD_PREBIAS, data);
if (ret < 0)
goto out;
}
ret = pm860x_set_bits(i2c, PM8607_GPADC_MISC1,
PM8607_GPADC_EN, PM8607_GPADC_EN);
out:
return ret;
}
static int __devinit device_irq_init(struct pm860x_chip *chip,
struct pm860x_platform_data *pdata)
{
@@ -1053,10 +1006,6 @@ static void __devinit device_8607_init(struct pm860x_chip *chip,
goto out;
}
ret = device_gpadc_init(chip, pdata);
if (ret < 0)
goto out;
ret = device_irq_init(chip, pdata);
if (ret < 0)
goto out;