93 static int apds9300_get_adc_val(struct apds9300_data *data, int adc_number)  in apds9300_get_adc_val()  argument
98 	if (!data->power_state)  in apds9300_get_adc_val()
104 	ret = i2c_smbus_read_word_data(data->client, flags);  in apds9300_get_adc_val()
106 		dev_err(&data->client->dev,  in apds9300_get_adc_val()
112 static int apds9300_set_thresh_low(struct apds9300_data *data, int value)  in apds9300_set_thresh_low()  argument
116 	if (!data->power_state)  in apds9300_set_thresh_low()
122 	ret = i2c_smbus_write_word_data(data->client, APDS9300_THRESHLOWLOW  in apds9300_set_thresh_low()
125 		dev_err(&data->client->dev, "failed to set thresh_low\n");  in apds9300_set_thresh_low()
128 	data->thresh_low = value;  in apds9300_set_thresh_low()
133 static int apds9300_set_thresh_hi(struct apds9300_data *data, int value)  in apds9300_set_thresh_hi()  argument
137 	if (!data->power_state)  in apds9300_set_thresh_hi()
143 	ret = i2c_smbus_write_word_data(data->client, APDS9300_THRESHHIGHLOW  in apds9300_set_thresh_hi()
146 		dev_err(&data->client->dev, "failed to set thresh_hi\n");  in apds9300_set_thresh_hi()
149 	data->thresh_hi = value;  in apds9300_set_thresh_hi()
154 static int apds9300_set_intr_state(struct apds9300_data *data, int state)  in apds9300_set_intr_state()  argument
159 	if (!data->power_state)  in apds9300_set_intr_state()
163 	ret = i2c_smbus_write_byte_data(data->client,  in apds9300_set_intr_state()
166 		dev_err(&data->client->dev,  in apds9300_set_intr_state()
170 	data->intr_en = state;  in apds9300_set_intr_state()
175 static int apds9300_set_power_state(struct apds9300_data *data, int state)  in apds9300_set_power_state()  argument
181 	ret = i2c_smbus_write_byte_data(data->client,  in apds9300_set_power_state()
184 		dev_err(&data->client->dev,  in apds9300_set_power_state()
188 	data->power_state = state;  in apds9300_set_power_state()
193 static void apds9300_clear_intr(struct apds9300_data *data)  in apds9300_clear_intr()  argument
197 	ret = i2c_smbus_write_byte(data->client, APDS9300_CLEAR | APDS9300_CMD);  in apds9300_clear_intr()
199 		dev_err(&data->client->dev, "failed to clear interrupt\n");  in apds9300_clear_intr()
202 static int apds9300_chip_init(struct apds9300_data *data)  in apds9300_chip_init()  argument
207 	ret = apds9300_set_power_state(data, 0);  in apds9300_chip_init()
214 	ret = apds9300_set_power_state(data, 1);  in apds9300_chip_init()
217 	ret = i2c_smbus_read_byte_data(data->client,  in apds9300_chip_init()
227 	ret = apds9300_set_intr_state(data, 0);  in apds9300_chip_init()
234 	dev_err(&data->client->dev, "failed to init the chip\n");  in apds9300_chip_init()
243 	struct apds9300_data *data = iio_priv(indio_dev);  in apds9300_read_raw()  local
245 	mutex_lock(&data->mutex);  in apds9300_read_raw()
248 		ch0 = apds9300_get_adc_val(data, 0);  in apds9300_read_raw()
253 		ch1 = apds9300_get_adc_val(data, 1);  in apds9300_read_raw()
262 		ret = apds9300_get_adc_val(data, chan->channel);  in apds9300_read_raw()
271 	mutex_unlock(&data->mutex);  in apds9300_read_raw()
281 	struct apds9300_data *data = iio_priv(indio_dev);  in apds9300_read_thresh()  local
285 		*val = data->thresh_hi;  in apds9300_read_thresh()
288 		*val = data->thresh_low;  in apds9300_read_thresh()
302 	struct apds9300_data *data = iio_priv(indio_dev);  in apds9300_write_thresh()  local
305 	mutex_lock(&data->mutex);  in apds9300_write_thresh()
307 		ret = apds9300_set_thresh_hi(data, val);  in apds9300_write_thresh()
309 		ret = apds9300_set_thresh_low(data, val);  in apds9300_write_thresh()
310 	mutex_unlock(&data->mutex);  in apds9300_write_thresh()
320 	struct apds9300_data *data = iio_priv(indio_dev);  in apds9300_read_interrupt_config()  local
322 	return data->intr_en;  in apds9300_read_interrupt_config()
329 	struct apds9300_data *data = iio_priv(indio_dev);  in apds9300_write_interrupt_config()  local
332 	mutex_lock(&data->mutex);  in apds9300_write_interrupt_config()
333 	ret = apds9300_set_intr_state(data, state);  in apds9300_write_interrupt_config()
334 	mutex_unlock(&data->mutex);  in apds9300_write_interrupt_config()
393 	struct apds9300_data *data = iio_priv(dev_info);  in apds9300_interrupt_handler()  local
401 	apds9300_clear_intr(data);  in apds9300_interrupt_handler()
409 	struct apds9300_data *data;  in apds9300_probe()  local
413 	indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*data));  in apds9300_probe()
417 	data = iio_priv(indio_dev);  in apds9300_probe()
419 	data->client = client;  in apds9300_probe()
421 	ret = apds9300_chip_init(data);  in apds9300_probe()
425 	mutex_init(&data->mutex);  in apds9300_probe()
457 	apds9300_set_power_state(data, 0);  in apds9300_probe()
464 	struct apds9300_data *data = iio_priv(indio_dev);  in apds9300_remove()  local
469 	apds9300_set_intr_state(data, 0);  in apds9300_remove()
470 	apds9300_set_power_state(data, 0);  in apds9300_remove()
479 	struct apds9300_data *data = iio_priv(indio_dev);  in apds9300_suspend()  local
482 	mutex_lock(&data->mutex);  in apds9300_suspend()
483 	ret = apds9300_set_power_state(data, 0);  in apds9300_suspend()
484 	mutex_unlock(&data->mutex);  in apds9300_suspend()
492 	struct apds9300_data *data = iio_priv(indio_dev);  in apds9300_resume()  local
495 	mutex_lock(&data->mutex);  in apds9300_resume()
496 	ret = apds9300_set_power_state(data, 1);  in apds9300_resume()
497 	mutex_unlock(&data->mutex);  in apds9300_resume()