diff options
| author | Gwendal Grignou <gwendal@chromium.org> | 2020-03-27 15:34:32 -0700 |
|---|---|---|
| committer | Enric Balletbo i Serra <enric.balletbo@collabora.com> | 2020-03-28 22:04:32 +0100 |
| commit | cee416a347440628762db2257ff921ccf9f66923 (patch) | |
| tree | 5c9bc2d7f5ec0b3016bcfecb444c56350481d327 | |
| parent | b2057c64017e96f1f9471fe49569508711f7663f (diff) | |
platform/chrome: cros_ec_sensorhub: Add the number of sensors in sensorhub
To better manage resources, store the number of sensors reported by
the EC.
Signed-off-by: Gwendal Grignou <gwendal@chromium.org>
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
| -rw-r--r-- | drivers/platform/chrome/cros_ec_sensorhub.c | 4 | ||||
| -rw-r--r-- | include/linux/platform_data/cros_ec_sensorhub.h | 2 |
2 files changed, 5 insertions, 1 deletions
diff --git a/drivers/platform/chrome/cros_ec_sensorhub.c b/drivers/platform/chrome/cros_ec_sensorhub.c index 79fefd3bb0fa..134ee5e46047 100644 --- a/drivers/platform/chrome/cros_ec_sensorhub.c +++ b/drivers/platform/chrome/cros_ec_sensorhub.c @@ -65,6 +65,7 @@ static int cros_ec_sensorhub_register(struct device *dev, return sensor_num; } + sensorhub->sensor_num = sensor_num; if (sensor_num == 0) { dev_err(dev, "Zero sensors reported.\n"); return -EINVAL; @@ -172,7 +173,8 @@ static int cros_ec_sensorhub_probe(struct platform_device *pdev) * If the device has sensors but does not claim to * be a sensor hub, we are in legacy mode. */ - for (i = 0; i < 2; i++) { + data->sensor_num = 2; + for (i = 0; i < data->sensor_num; i++) { ret = cros_ec_sensorhub_allocate_sensor(dev, "cros-ec-accel-legacy", i); if (ret) diff --git a/include/linux/platform_data/cros_ec_sensorhub.h b/include/linux/platform_data/cros_ec_sensorhub.h index bef7ffc7fce1..7e46a47fd642 100644 --- a/include/linux/platform_data/cros_ec_sensorhub.h +++ b/include/linux/platform_data/cros_ec_sensorhub.h @@ -22,9 +22,11 @@ struct cros_ec_sensor_platform { * struct cros_ec_sensorhub - Sensor Hub device data. * * @ec: Embedded Controller where the hub is located. + * @sensor_num: Number of MEMS sensors present in the EC. */ struct cros_ec_sensorhub { struct cros_ec_dev *ec; + int sensor_num; }; #endif /* __LINUX_PLATFORM_DATA_CROS_EC_SENSORHUB_H */ |