sensors/bmi270: Fix a bug sensor_time is truncated

SPRESENSE · jerpelea · commit be5c90716ccd · 2025-07-09T09:50:18.000+02:00
Fix a bug that sensor_time resolution is lost by bit shift.

Signed-off-by: SPRESENSE &lt;41312067+SPRESENSE@users.noreply.github.com&gt;
diff --git a/drivers/sensors/bmi270.c b/drivers/sensors/bmi270.c
@@ -141,11 +141,11 @@ static ssize_t bmi270_read(FAR struct file *filep, FAR char *buffer,
       return 0;
     }
 
-  bmi270_getregs(priv, BMI270_DATA_8, (FAR uint8_t *)p, 15);
+  /* Set sensor_time to the lower 24 bits of SENSORTIME. */
 
-  /* Adjust sensing time into 24 bit */
+  p->sensor_time = 0;
 
-  p->sensor_time >>= 8;
+  bmi270_getregs(priv, BMI270_DATA_8, (FAR uint8_t *)p, 15);
 
   return len;
 }

Original file line number	Diff line number	Diff line change
`@@ -141,11 +141,11 @@ static ssize_t bmi270_read(FAR struct file filep, FAR char buffer,`
`141`	`141`	`return 0;`
`142`	`142`	`}`
`143`	`143`
`144`		`- bmi270_getregs(priv, BMI270_DATA_8, (FAR uint8_t *)p, 15);`
	`144`	`+ /* Set sensor_time to the lower 24 bits of SENSORTIME. */`
`145`	`145`
`146`		`- /* Adjust sensing time into 24 bit */`
	`146`	`+ p->sensor_time = 0;`
`147`	`147`
`148`		`- p->sensor_time >>= 8;`
	`148`	`+ bmi270_getregs(priv, BMI270_DATA_8, (FAR uint8_t *)p, 15);`
`149`	`149`
`150`	`150`	`return len;`
`151`	`151`	`}`