hid/i2c-hid/i2c-hid-of-elan.c

40 	struct i2c_hid_of_elan *ihid_elan =
44 	gpiod_set_value_cansleep(ihid_elan->reset_gpio, 1);
46 	if (ihid_elan->vcc33) {
47 		ret = regulator_enable(ihid_elan->vcc33);
52 	ret = regulator_enable(ihid_elan->vccio);
56 	if (ihid_elan->chip_data->post_power_delay_ms)
57 		msleep(ihid_elan->chip_data->post_power_delay_ms);
59 	gpiod_set_value_cansleep(ihid_elan->reset_gpio, 0);
60 	if (ihid_elan->chip_data->post_gpio_reset_on_delay_ms)
61 		msleep(ihid_elan->chip_data->post_gpio_reset_on_delay_ms);
66 	if (ihid_elan->vcc33)
67 		regulator_disable(ihid_elan->vcc33);
69 	if (ihid_elan->no_reset_on_power_off)
70 		gpiod_set_value_cansleep(ihid_elan->reset_gpio, 0);
77 	struct i2c_hid_of_elan *ihid_elan =
85 	if (!ihid_elan->no_reset_on_power_off)
86 		gpiod_set_value_cansleep(ihid_elan->reset_gpio, 1);
88 	if (ihid_elan->chip_data->post_gpio_reset_off_delay_ms)
89 		msleep(ihid_elan->chip_data->post_gpio_reset_off_delay_ms);
91 	regulator_disable(ihid_elan->vccio);
92 	if (ihid_elan->vcc33)
93 		regulator_disable(ihid_elan->vcc33);
98 	struct i2c_hid_of_elan *ihid_elan;
101 	ihid_elan = devm_kzalloc(&client->dev, sizeof(*ihid_elan), GFP_KERNEL);
102 	if (!ihid_elan)
105 	ihid_elan->ops.power_up = elan_i2c_hid_power_up;
106 	ihid_elan->ops.power_down = elan_i2c_hid_power_down;
109 	ihid_elan->reset_gpio =
111 	if (IS_ERR(ihid_elan->reset_gpio))
112 		return PTR_ERR(ihid_elan->reset_gpio);
114 	ihid_elan->no_reset_on_power_off = of_property_read_bool(client->dev.of_node,
117 	ihid_elan->vccio = devm_regulator_get(&client->dev, "vccio");
118 	if (IS_ERR(ihid_elan->vccio)) {
119 		ret = PTR_ERR(ihid_elan->vccio);
123 	ihid_elan->chip_data = device_get_match_data(&client->dev);
125 	if (ihid_elan->chip_data->main_supply_name) {
126 		ihid_elan->vcc33 = devm_regulator_get(&client->dev,
127 						      ihid_elan->chip_data->main_supply_name);
128 		if (IS_ERR(ihid_elan->vcc33)) {
129 			ret = PTR_ERR(ihid_elan->vcc33);
134 	ret = i2c_hid_core_probe(client, &ihid_elan->ops,
135 				 ihid_elan->chip_data->hid_descriptor_address, 0);
142 	if (ihid_elan->no_reset_on_power_off)
143 		gpiod_set_value_cansleep(ihid_elan->reset_gpio, 0);