A-Team_Digital_Solutions/android_kernel_motorola_sm6375
Watch
2
0
Fork
You've already forked android_kernel_motorola_sm6375
 0
mirror of https://github.com/BobTheBlinker/android_kernel_motorola_sm6375.git synced 2026-10-10 14:19:09 -04:00
Code Issues Projects Releases Packages Wiki Activity

modules:regulator_vibartor:add regulator long short voltage logic.

Browse source 
avoid vibrator noise.
add regulator long short voltage logic.
use "vib,pwr-by-regulator-enable" to seperate .

Change-Id: If90137a486b3ff807e573fba17c79951213777a7
Signed-off-by: liaohj <liaohj@lenovo.com>
Reviewed-on: https://gerrit.mot.com/2162262
SME-Granted: SME Approvals Granted
SLTApproved: Slta Waiver
Tested-by: Jira Key
Reviewed-by: Huosheng Liao <liaohs@motorola.com>
Submit-Approved: Jira Key
This commit is contained in:
liaohj 2022-01-05 16:52:06 +08:00 • committed by Hujun Liao
commit 99655ee678
1 changed files with 68 additions and 8 deletions
Download patch file Download diff file Expand all files Collapse all files

76
drivers/misc/regulator_vibrator_mmi/moto_regulator_vibrator.c
View file

@ -46,6 +46,11 @@ struct vib_ldo_chip {
/*for long/short vibrator*/
bool dis_short_long;
int dis_long_ms;
u32 long_voltage_supply;
u32 short_voltage_supply;
u32 long_play_threshold;
bool pwr_by_regulator;
};
static void ext_vib_work(struct work_struct *work)
@ -155,6 +160,7 @@ static ssize_t ext_vib_store_duration(struct device *dev,
cdev);
u32 val;
int ret;
static bool long_vib_flag = true;
ret = kstrtouint(buf, 0, &val);
if (ret < 0)
@ -170,6 +176,25 @@ static ssize_t ext_vib_store_duration(struct device *dev,
if (val > EXT_VIB_MAX_PLAY_MS)
val = EXT_VIB_MAX_PLAY_MS;
if (chip->pwr_by_regulator) {
if((val >= chip->long_play_threshold) && long_vib_flag){
chip->regulator_voltage_max = chip->long_voltage_supply;
chip->regulator_voltage_min = chip->long_voltage_supply;
ret = regulator_set_voltage(chip->vcc, chip->regulator_voltage_min, chip->regulator_voltage_max);
if (ret)
pr_info("set vcc regulator voltage failed\n");
long_vib_flag = false;
}
if((val < chip->long_play_threshold) && (!long_vib_flag)){
chip->regulator_voltage_max = chip->short_voltage_supply;
chip->regulator_voltage_min = chip->short_voltage_supply;
ret = regulator_set_voltage(chip->vcc, chip->regulator_voltage_min, chip->regulator_voltage_max);
if (ret)
pr_info("set vcc regulator voltage failed\n");
long_vib_flag = true;
}
}
mutex_lock(&chip->lock);
chip->vib_play_ms = val;
mutex_unlock(&chip->lock);
@ -325,6 +350,8 @@ static int ext_vib_parse_dt(struct device *dev, struct vib_ldo_chip *chip)
int ret;
u32 voltage_supply[2];
u32 current_supply;
u32 long_play_threshold;
u32 voltage_supply_regulator;
chip->pwr_by_gpio = of_property_read_bool(dev->of_node, "vib-gpio-vcc-enable");
if (chip->pwr_by_gpio)
@ -382,15 +409,48 @@ static int ext_vib_parse_dt(struct device *dev, struct vib_ldo_chip *chip)
}
else
{
ret = of_property_read_u32_array(dev->of_node, "vib,vcc-voltage", voltage_supply, 2);
if (ret < 0)
{
pr_info("%s: fail to get vcc regulator voltage \n", __func__);
return -ENODEV;
chip->pwr_by_regulator = of_property_read_bool(dev->of_node,
"vib,pwr-by-regulator-enable");
if (chip->pwr_by_regulator) {
ret = of_property_read_u32_array(dev->of_node, "vib,long-vcc-voltage", &voltage_supply_regulator, 1);
if (ret < 0)
{
pr_info(" fail to get long vcc regulator voltage \n");
return -ENODEV;
}
chip->long_voltage_supply = voltage_supply_regulator;
ret = of_property_read_u32_array(dev->of_node, "vib,short-vcc-voltage", &voltage_supply_regulator, 1);
if (ret < 0)
{
pr_info(" fail to get short vcc regulator voltage \n");
return -ENODEV;
}
chip->short_voltage_supply = voltage_supply_regulator;
chip->regulator_voltage_max = chip->short_voltage_supply;
chip->regulator_voltage_min = chip->short_voltage_supply;
ret = of_property_read_u32_array(dev->of_node, "vib,long-play-threshold", &long_play_threshold, 1);
if (ret < 0)
{
pr_info(" fail to get long_play_threshold \n");
return -ENODEV;
}
chip->long_play_threshold = long_play_threshold;
pr_info(" vcc regulator voltage get long vib = %d, short vib = %d long_play_threshold = %d\n",
chip->long_voltage_supply, chip->short_voltage_supply, chip->long_play_threshold);
} else {
ret = of_property_read_u32_array(dev->of_node, "vib,vcc-voltage", voltage_supply, 2);
if (ret < 0)
{
pr_info("%s: fail to get vcc regulator voltage \n", __func__);
return -ENODEV;
}
pr_info("vib: vcc regulator voltage get Max = %d, Min = %d \n",voltage_supply[1], voltage_supply[0]);
chip->regulator_voltage_max = voltage_supply[1];
chip->regulator_voltage_min = voltage_supply[0];
}
pr_info("vib: vcc regulator voltage get Max = %d, Min = %d \n",voltage_supply[1], voltage_supply[0]);
chip->regulator_voltage_max = voltage_supply[1];
chip->regulator_voltage_min = voltage_supply[0];
ret = of_property_read_u32_array(dev->of_node, "vib,vcc-current", &current_supply, 1);
if (ret < 0) {