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arm64/dts: surf ft tp update

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surfNA: focaltech tp driver update
fix NULL pointer crash issue

Change-Id: I7154ae202f09fc622a88e28411841db8c211102a
Signed-off-by: hujing3 <hujing3@lenovo.com>
Reviewed-on: https://gerrit.mot.com/1281380
SME-Granted: SME Approvals Granted
SLTApproved: Slta Waiver
Tested-by: Jira Key
Reviewed-by: Xiangpo Zhao <zhaoxp3@motorola.com>
Submit-Approved: Jira Key
This commit is contained in:
hujing3 2018-12-11 14:47:34 +08:00 • committed by Jing Hu
commit e250309ddc
1 changed files with 14 additions and 6 deletions
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20
drivers/input/touchscreen/focaltech_mmi/focaltech_ts.c
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@ -1158,23 +1158,31 @@ static int ft_power_init(struct ft_ts_data *data, bool on)
reg_vcc_i2c_put:
regulator_put(data->vcc_i2c);
data->vcc_i2c = NULL;
reg_vdd_set_vtg:
if (regulator_count_voltages(data->vdd) > 0)
regulator_set_voltage(data->vdd, 0, FT_VTG_MAX_UV);
reg_vdd_put:
regulator_put(data->vdd);
data->vdd = NULL;
return rc;
pwr_deinit:
if (regulator_count_voltages(data->vdd) > 0)
regulator_set_voltage(data->vdd, 0, FT_VTG_MAX_UV);
if (!IS_ERR_OR_NULL(data->vdd)) {
if (regulator_count_voltages(data->vdd) > 0)
regulator_set_voltage(data->vdd, 0, FT_VTG_MAX_UV);
regulator_put(data->vdd);
regulator_put(data->vdd);
}
if (regulator_count_voltages(data->vcc_i2c) > 0)
regulator_set_voltage(data->vcc_i2c, 0, FT_I2C_VTG_MAX_UV);
if (!IS_ERR_OR_NULL(data->vcc_i2c)) {
if (regulator_count_voltages(data->vcc_i2c) > 0)
regulator_set_voltage(data->vcc_i2c, 0, FT_I2C_VTG_MAX_UV);
regulator_put(data->vcc_i2c);
}
regulator_put(data->vcc_i2c);
return 0;
}