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drivers: MAX31760: disable VDD of MAX31760 and fan in RBC

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Disable VDD of MAX31760 and fan in RBC to save power.

Change-Id: I5156c17927af5d89adc67503ea7323f662b198c6
Signed-off-by: Minghao Zhang <minghao@codeaurora.org>
This commit is contained in:
Minghao Zhang 2021-02-26 10:48:55 +08:00
commit ad91bbcae9
1 changed files with 11 additions and 3 deletions
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14
drivers/thermal/qcom/max31760_fan.c
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@ -302,7 +302,7 @@ static void max31760_shutdown(struct i2c_client *client)
max31760_remove(client);
}
static int max31760_suspend(struct device *dev, pm_message_t state)
static int max31760_suspend(struct device *dev)
{
struct max31760_data *pdata = dev_get_drvdata(dev);
@ -311,6 +311,8 @@ static int max31760_suspend(struct device *dev, pm_message_t state)
atomic_set(&pdata->in_suspend, 1);
mutex_lock(&pdata->update_lock);
max31760_speed_control(pdata, FAN_SPEED_LEVEL0);
max31760_enable_gpio(pdata, 0);
regulator_disable(pdata->vdd_reg);
mutex_unlock(&pdata->update_lock);
}
@ -325,6 +327,11 @@ static int max31760_resume(struct device *dev)
if (pdata) {
atomic_set(&pdata->in_suspend, 0);
mutex_lock(&pdata->update_lock);
max31760_enable_gpio(pdata, 1);
regulator_enable(pdata->vdd_reg);
max31760_write_byte(pdata, MAX31760_CTRL_REG1, 0x19);
max31760_write_byte(pdata, MAX31760_CTRL_REG2, 0x11);
max31760_write_byte(pdata, MAX31760_CTRL_REG3, 0x31);
max31760_set_cur_state_common(pdata, pdata->cur_state);
mutex_unlock(&pdata->update_lock);
}
@ -342,6 +349,8 @@ static const struct i2c_device_id max31760_i2c_table[] = {
{ },
};
static SIMPLE_DEV_PM_OPS(max31760_pm_ops, max31760_suspend, max31760_resume);
static struct i2c_driver max31760_i2c_driver = {
.probe = max31760_probe,
.remove = max31760_remove,
@ -349,8 +358,7 @@ static struct i2c_driver max31760_i2c_driver = {
.driver = {
.name = "max31760",
.of_match_table = max31760_id_table,
.suspend = max31760_suspend,
.resume = max31760_resume,
.pm = &max31760_pm_ops,
},
.id_table = max31760_i2c_table,
};