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-rw-r--r--drivers/hid/hid-nintendo.c27
1 files changed, 20 insertions, 7 deletions
diff --git a/drivers/hid/hid-nintendo.c b/drivers/hid/hid-nintendo.c
index c8b8ecaea70a..997c3a1adaca 100644
--- a/drivers/hid/hid-nintendo.c
+++ b/drivers/hid/hid-nintendo.c
@@ -927,14 +927,27 @@ static int joycon_request_calibration(struct joycon_ctlr *ctlr)
*/
static void joycon_calc_imu_cal_divisors(struct joycon_ctlr *ctlr)
{
- int i;
+ int i, divz = 0;
for (i = 0; i < 3; i++) {
ctlr->imu_cal_accel_divisor[i] = ctlr->accel_cal.scale[i] -
ctlr->accel_cal.offset[i];
ctlr->imu_cal_gyro_divisor[i] = ctlr->gyro_cal.scale[i] -
ctlr->gyro_cal.offset[i];
+
+ if (ctlr->imu_cal_accel_divisor[i] == 0) {
+ ctlr->imu_cal_accel_divisor[i] = 1;
+ divz++;
+ }
+
+ if (ctlr->imu_cal_gyro_divisor[i] == 0) {
+ ctlr->imu_cal_gyro_divisor[i] = 1;
+ divz++;
+ }
}
+
+ if (divz)
+ hid_warn(ctlr->hdev, "inaccurate IMU divisors (%d)\n", divz);
}
static const s16 DFLT_ACCEL_OFFSET /*= 0*/;
@@ -1163,16 +1176,16 @@ static void joycon_parse_imu_report(struct joycon_ctlr *ctlr,
JC_IMU_SAMPLES_PER_DELTA_AVG) {
ctlr->imu_avg_delta_ms = ctlr->imu_delta_samples_sum /
ctlr->imu_delta_samples_count;
- /* don't ever want divide by zero shenanigans */
- if (ctlr->imu_avg_delta_ms == 0) {
- ctlr->imu_avg_delta_ms = 1;
- hid_warn(ctlr->hdev,
- "calculated avg imu delta of 0\n");
- }
ctlr->imu_delta_samples_count = 0;
ctlr->imu_delta_samples_sum = 0;
}
+ /* don't ever want divide by zero shenanigans */
+ if (ctlr->imu_avg_delta_ms == 0) {
+ ctlr->imu_avg_delta_ms = 1;
+ hid_warn(ctlr->hdev, "calculated avg imu delta of 0\n");
+ }
+
/* useful for debugging IMU sample rate */
hid_dbg(ctlr->hdev,
"imu_report: ms=%u last_ms=%u delta=%u avg_delta=%u\n",