98 static int acpi_als_read_value(struct acpi_als *als, char *prop, s32 *val)  in acpi_als_read_value()  argument
103 	status = acpi_evaluate_integer(als->device->handle, prop, NULL,  in acpi_als_read_value()
119 	struct acpi_als *als = iio_priv(indio_dev);  in acpi_als_notify()  local
120 	s32 *buffer = als->evt_buffer;  in acpi_als_notify()
125 	mutex_lock(&als->lock);  in acpi_als_notify()
131 		ret = acpi_als_read_value(als, ACPI_ALS_ILLUMINANCE, &val);  in acpi_als_notify()
143 	iio_push_to_buffers_with_timestamp(indio_dev, als->evt_buffer, time_ns);  in acpi_als_notify()
146 	mutex_unlock(&als->lock);  in acpi_als_notify()
153 	struct acpi_als *als = iio_priv(indio_dev);  in acpi_als_read_raw()  local
164 	ret = acpi_als_read_value(als, ACPI_ALS_ILLUMINANCE, &temp_val);  in acpi_als_read_raw()
179 	struct acpi_als *als;  in acpi_als_add()  local
183 	indio_dev = devm_iio_device_alloc(&device->dev, sizeof(*als));  in acpi_als_add()
187 	als = iio_priv(indio_dev);  in acpi_als_add()
190 	als->device = device;  in acpi_als_add()
191 	mutex_init(&als->lock);  in acpi_als_add()