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Commit ad91bbca authored by Minghao Zhang's avatar Minghao Zhang
Browse files

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



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

Change-Id: I5156c17927af5d89adc67503ea7323f662b198c6
Signed-off-by: default avatarMinghao Zhang <minghao@codeaurora.org>
parent eca62752

drivers/thermal/qcom/max31760_fan.c

+11 −3
Original line number Diff line number Diff line
@@ -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,

};