diff options
Diffstat (limited to 'drivers/mfd')
| -rw-r--r-- | drivers/mfd/88pm860x-core.c | 51 |
1 files changed, 0 insertions, 51 deletions
diff --git a/drivers/mfd/88pm860x-core.c b/drivers/mfd/88pm860x-core.c index fdaf6861ce9..59d117e9fa3 100644 --- a/drivers/mfd/88pm860x-core.c +++ b/drivers/mfd/88pm860x-core.c @@ -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; |