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/* 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 <stddef.h>
#include <include/fpsensor.h>
#include <include/fpsensor_state.h>
#include <common/fpsensor/fpsensor_private.h>
#if defined(CONFIG_FP_SENSOR_FPC1025) || defined(CONFIG_FP_SENSOR_FPC1035)
#include "bep/fpc_private.h"
#elif defined(CONFIG_FP_SENSOR_FPC1145)
#include "libfp/fpc_private.h"
#else
#error "Sensor type not defined!"
#endif
/*
* TODO(b/164174822): We cannot include fpc_sensor.h here, since
* the parent fpsensor.h header conditionally excludes fpc_sensor.h
* and replaces its content with default macros.
* Fix this header discrepancy.
*
* #include "fpc_sensor.h"
*/
int fpc_fp_maintenance(uint16_t *error_state)
{
int rv;
fp_sensor_info_t sensor_info;
timestamp_t start = get_time();
if (error_state == NULL)
return EC_ERROR_INVAL;
rv = fp_sensor_maintenance(fp_buffer, &sensor_info);
CPRINTS("Maintenance took %d ms", time_since32(start) / MSEC);
if (rv != 0) {
/*
* Failure can occur if any of the fingerprint detection zones
* are covered (i.e., finger is on sensor).
*/
CPRINTS("Failed to run maintenance: %d", rv);
return EC_ERROR_HW_INTERNAL;
}
*error_state |= FP_ERROR_DEAD_PIXELS(sensor_info.num_defective_pixels);
CPRINTS("num_defective_pixels: %d", sensor_info.num_defective_pixels);
return EC_SUCCESS;
}
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