4  * SPDX-License-Identifier: Apache-2.0
20  * Only compile in trigger support if enabled in Kconfig and at least one
21  * enabled lm77 devicetree node has the int-gpios property.
71 	const struct lm77_config *config = dev->config;  in lm77_write_config()
74 	return i2c_write_dt(&config->i2c, buf, sizeof(buf));  in lm77_write_config()
79 	const struct lm77_config *config = dev->config;  in lm77_read_temp()
83 	err = i2c_write_read_dt(&config->i2c, &reg, sizeof(reg), &buf, sizeof(buf));  in lm77_read_temp()
96 	const struct lm77_config *config = dev->config;  in lm77_write_temp()
99 	return i2c_write_dt(&config->i2c, buf, sizeof(buf));  in lm77_write_temp()
104 	/* Integer part in degrees Celsius (LSB = 0.5 degrees Celsius) */  in lm77_sensor_value_to_temp()
105 	*temp = val->val1 << 1;  in lm77_sensor_value_to_temp()
107 	/* Fractional part in micro degrees Celsius */  in lm77_sensor_value_to_temp()
108 	*temp += (val->val2 * 2) / 1000000;  in lm77_sensor_value_to_temp()
119 	/* Integer part in degrees Celsius */  in lm77_temp_to_sensor_value()
120 	val->val1 = temp / 10;  in lm77_temp_to_sensor_value()
122 	/* Fractional part in micro degrees Celsius */  in lm77_temp_to_sensor_value()
123 	val->val2 = temp % 10;  in lm77_temp_to_sensor_value()
124 	val->val2 *= 100000;  in lm77_temp_to_sensor_value()
137 		return -ENOTSUP;  in lm77_attr_set()
154 		return -ENOTSUP;  in lm77_attr_set()
178 		return -ENOTSUP;  in lm77_attr_get()
195 		return -ENOTSUP;  in lm77_attr_get()
210 static int lm77_trigger_set(const struct device *dev, const struct sensor_trigger *trig,  in lm77_trigger_set()  argument
213 	const struct lm77_config *config = dev->config;  in lm77_trigger_set()
214 	struct lm77_data *data = dev->data;  in lm77_trigger_set()
218 	__ASSERT_NO_MSG(trig != NULL);  in lm77_trigger_set()
220 	if (trig->type != SENSOR_TRIG_THRESHOLD || trig->chan != SENSOR_CHAN_AMBIENT_TEMP ||  in lm77_trigger_set()
221 	    config->int_gpio.port == NULL) {  in lm77_trigger_set()
222 		return -ENOTSUP;  in lm77_trigger_set()
231 	err = gpio_pin_interrupt_configure_dt(&config->int_gpio, flags);  in lm77_trigger_set()
237 	data->trigger = trig;  in lm77_trigger_set()
238 	data->trigger_handler = handler;  in lm77_trigger_set()
246 	sensor_trigger_handler_t handler = data->trigger_handler;  in lm77_trigger_work_handler()
249 		handler(data->dev, (struct sensor_trigger *)data->trigger);  in lm77_trigger_work_handler()
262 	k_work_submit_to_queue(&data->workq, &data->work);  in lm77_int_gpio_callback_handler()
268 	struct lm77_data *data = dev->data;  in lm77_sample_fetch()
273 		return -ENOTSUP;  in lm77_sample_fetch()
282 	data->temp = temp;  in lm77_sample_fetch()
290 	struct lm77_data *data = dev->data;  in lm77_channel_get()
293 		return -ENOTSUP;  in lm77_channel_get()
296 	lm77_temp_to_sensor_value(data->temp, val);  in lm77_channel_get()
313 	const struct lm77_config *config = dev->config;  in lm77_init()
316 	struct lm77_data *data = dev->data;  in lm77_init()
319 	if (!device_is_ready(config->i2c.bus)) {  in lm77_init()
321 		return -EINVAL;  in lm77_init()
324 	err = lm77_write_config(dev, config->config_dt.reg);  in lm77_init()
331 	data->dev = dev;  in lm77_init()
332 	k_work_queue_start(&data->workq, data->stack, K_THREAD_STACK_SIZEOF(data->stack),  in lm77_init()
334 	k_thread_name_set(&data->workq.thread, "lm77_trigger");  in lm77_init()
335 	k_work_init(&data->work, lm77_trigger_work_handler);  in lm77_init()
337 	if (config->int_gpio.port != NULL) {  in lm77_init()
338 		if (!gpio_is_ready_dt(&config->int_gpio)) {  in lm77_init()
340 			return -EINVAL;  in lm77_init()
343 		err = gpio_pin_configure_dt(&config->int_gpio, GPIO_INPUT);  in lm77_init()
349 		gpio_init_callback(&data->int_gpio_cb, lm77_int_gpio_callback_handler,  in lm77_init()
350 				   BIT(config->int_gpio.pin));  in lm77_init()
352 		err = gpio_add_callback(config->int_gpio.port, &data->int_gpio_cb);  in lm77_init()
367 	const struct lm77_config *config = dev->config;  in lm77_pm_action()
368 	union lm77_reg_config creg = config->config_dt;  in lm77_pm_action()
379 		return -ENOTSUP;  in lm77_pm_action()