From: Gwendal Grignou Date: Fri, 27 Mar 2020 22:34:32 +0000 (-0700) Subject: platform/chrome: cros_ec_sensorhub: Add the number of sensors in sensorhub X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=cee416a347440628762db2257ff921ccf9f66923;p=openwrt%2Fstaging%2Fblogic.git 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 Signed-off-by: Enric Balletbo i Serra --- 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 */