1 files changed, 0 insertions, 78 deletions
diff --git a/common/accel_cal.c b/common/accel_cal.c
deleted file mode 100644
index 533a14fbc4..0000000000
--- a/common/accel_cal.c
+++ /dev/null
@@ -1,78 +0,0 @@
-/* Copyright 2020 The Chromium OS Authors. All rights reserved.
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-#include "common.h"
-#include "console.h"
-#include "accel_cal.h"
-
-#define CPRINTS(format, args...) cprints(CC_MOTION_SENSE, format, ##args)
-
-#define TEMP_RANGE (CONFIG_ACCEL_CAL_MAX_TEMP - CONFIG_ACCEL_CAL_MIN_TEMP)
-
-void accel_cal_reset(struct accel_cal *cal)
-{
-	int i;
-
-	for (i = 0; i < cal->num_temp_windows; ++i) {
-		kasa_reset(&(cal->algos[i].kasa_fit));
-		newton_fit_reset(&(cal->algos[i].newton_fit));
-	}
-}
-
-static inline int compute_temp_gate(const struct accel_cal *cal, fp_t temp)
-{
-	int gate = (int) fp_div(fp_mul(temp - CONFIG_ACCEL_CAL_MIN_TEMP,
-				       INT_TO_FP(cal->num_temp_windows)),
-				TEMP_RANGE);
-
-	return gate < cal->num_temp_windows
-		? gate : (cal->num_temp_windows - 1);
-}
-
-test_mockable bool accel_cal_accumulate(
-	struct accel_cal *cal, uint32_t timestamp, fp_t x, fp_t y, fp_t z,
-	fp_t temp)
-{
-	struct accel_cal_algo *algo;
-
-	/* Test that we're within the temperature range. */
-	if (temp >= CONFIG_ACCEL_CAL_MAX_TEMP ||
-	    temp <= CONFIG_ACCEL_CAL_MIN_TEMP)
-		return false;
-
-	/* Test that we have a still sample. */
-	if (!still_det_update(&cal->still_det, timestamp, x, y, z))
-		return false;
-
-	/* We have a still sample, update x, y, and z to the mean. */
-	x = cal->still_det.mean_x;
-	y = cal->still_det.mean_y;
-	z = cal->still_det.mean_z;
-
-	/* Compute the temp gate. */
-	algo = &cal->algos[compute_temp_gate(cal, temp)];
-
-	kasa_accumulate(&algo->kasa_fit, x, y, z);
-	if (newton_fit_accumulate(&algo->newton_fit, x, y, z)) {
-		fp_t radius;
-
-		kasa_compute(&algo->kasa_fit, cal->bias, &radius);
-		if (ABS(radius - FLOAT_TO_FP(1.0f)) <
-		    CONFIG_ACCEL_CAL_KASA_RADIUS_THRES)
-			goto accel_cal_accumulate_success;
-
-		newton_fit_compute(&algo->newton_fit, cal->bias, &radius);
-		if (ABS(radius - FLOAT_TO_FP(1.0f)) <
-		    CONFIG_ACCEL_CAL_NEWTON_RADIUS_THRES)
-			goto accel_cal_accumulate_success;
-	}
-
-	return false;
-
-accel_cal_accumulate_success:
-	accel_cal_reset(cal);
-
-	return true;
-}