sensor: bme280: Use RTIO workq on bme280_submit

To make its execution path non-blocking from the caller's perspective.

Signed-off-by: Luis Ubieda <[email protected]>

Author: ubieda

drivers/sensor/bosch/bme280/Kconfig

@@ -2,6 +2,7 @@
 
 # Copyright (c) 2016 Intel Corporation
 # Copyright (c) 2017 IpTronix S.r.l.
+# Copyright (c) 2024 Croxel Inc.
 # SPDX-License-Identifier: Apache-2.0
 
 menuconfig BME280
@@ -10,6 +11,7 @@ menuconfig BME280
 	depends on DT_HAS_BOSCH_BME280_ENABLED
 	select I2C if $(dt_compat_on_bus,$(DT_COMPAT_BOSCH_BME280),i2c)
 	select SPI if $(dt_compat_on_bus,$(DT_COMPAT_BOSCH_BME280),spi)
+	select RTIO_WORKQ if SENSOR_ASYNC_API
 	help
 	  Enable driver for BME280 I2C-based or SPI-based temperature and pressure sensor.
 

drivers/sensor/bosch/bme280/bme280_async.c

@@ -1,22 +1,26 @@
 /*
  * Copyright (c) 2024 Intel Corporation
+ * Copyright (c) 2024 Croxel Inc.
+ *
  * SPDX-License-Identifier: Apache-2.0
  */
 
+#include <zephyr/rtio/work.h>
 #include <zephyr/logging/log.h>
 
 #include "bme280.h"
 
 LOG_MODULE_DECLARE(BME280, CONFIG_SENSOR_LOG_LEVEL);
 
-void bme280_submit(const struct device *dev, struct rtio_iodev_sqe *iodev_sqe)
+void bme280_submit_sync(struct rtio_iodev_sqe *iodev_sqe)
 {
 	uint32_t min_buf_len = sizeof(struct bme280_encoded_data);
 	int rc;
 	uint8_t *buf;
 	uint32_t buf_len;
 
 	const struct sensor_read_config *cfg = iodev_sqe->sqe.iodev->data;
+	const struct device *dev = cfg->sensor;
 	const struct sensor_chan_spec *const channels = cfg->channels;
 	const size_t num_channels = cfg->count;
 
@@ -67,3 +71,12 @@ void bme280_submit(const struct device *dev, struct rtio_iodev_sqe *iodev_sqe)
 
 	rtio_iodev_sqe_ok(iodev_sqe, 0);
 }
+
+void bme280_submit(const struct device *dev, struct rtio_iodev_sqe *iodev_sqe)
+{
+	struct rtio_work_req *req = rtio_work_req_alloc();
+
+	__ASSERT_NO_MSG(req);
+
+	rtio_work_req_submit(req, iodev_sqe, bme280_submit_sync);
+}