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authorHaojian Zhuang <haojian.zhuang@gmail.com>2012-09-21 12:06:53 +0200
committerSamuel Ortiz <sameo@linux.intel.com>2012-10-02 11:43:16 +0200
commitfe1d38e80d1497a2b64685dd2e7a6018dc79b408 (patch)
tree19205799f6b7da7ffc7731e403c6730409dce34c /drivers/mfd
parentmfd: 88pm860x: Device tree support (diff)
downloadlinux-fe1d38e80d1497a2b64685dd2e7a6018dc79b408.tar.xz
linux-fe1d38e80d1497a2b64685dd2e7a6018dc79b408.zip
mfd: 88pm860x: Move gpadc init into touch
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>
Diffstat (limited to 'drivers/mfd')
-rw-r--r--drivers/mfd/88pm860x-core.c51
1 files changed, 0 insertions, 51 deletions
diff --git a/drivers/mfd/88pm860x-core.c b/drivers/mfd/88pm860x-core.c
index fdaf6861ce95..59d117e9fa31 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;