1 files changed, 0 insertions, 94 deletions
diff --git a/driver/fingerprint/fpc/bep/fpc_sensor_spi.c b/driver/fingerprint/fpc/bep/fpc_sensor_spi.c
deleted file mode 100644
index 225752bdb6..0000000000
--- a/driver/fingerprint/fpc/bep/fpc_sensor_spi.c
+++ /dev/null
@@ -1,94 +0,0 @@
-/* Copyright 2019 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.
- */
-
-/* FPC Platform Abstraction Layer */
-
-#include <stdint.h>
-#include <stdbool.h>
-#include <stddef.h>
-
-#include "console.h"
-#include "fpsensor.h"
-#include "fpc_sensor_spi.h"
-#include "gpio.h"
-#include "spi.h"
-#include "util.h"
-
-#include "driver/fingerprint/fpc/fpc_sensor.h"
-
-/* Console output macros */
-#define CPRINTF(format, args...) cprintf(CC_FP, format, ##args)
-#define CPRINTS(format, args...) cprints(CC_FP, format, ##args)
-
-#define SPI_BUF_SIZE              (1024)
-
-#define FPC_RESULT_OK                (0)
-#define FPC_RESULT_IO_ERROR         (-8)
-
-static uint8_t spi_buf[SPI_BUF_SIZE] FP_FRAME_SECTION __aligned(4);
-
-int __unused fpc_sensor_spi_write_read(uint8_t *write, uint8_t *read,
-				       size_t size, bool leave_cs_asserted)
-{
-	int rc = 0;
-
-	if (size == FP_SENSOR_REAL_IMAGE_SIZE) {
-		rc |= spi_transaction(SPI_FP_DEVICE, write, size, read,
-				      SPI_READBACK_ALL);
-		spi_transaction_flush(SPI_FP_DEVICE);
-	} else if (size <= SPI_BUF_SIZE) {
-		memcpy(spi_buf, write, size);
-		rc |= spi_transaction_async(SPI_FP_DEVICE, spi_buf, size,
-					    spi_buf, SPI_READBACK_ALL);
-
-		/* De-asserting the sensor chip-select will clear the sensor
-		 * internal command state. To run multiple sensor transactions
-		 * in the same command state (typically image capture), leave
-		 * chip-select asserted. Make sure chip-select is de-asserted
-		 * when all transactions are finished.
-		 */
-		if (!leave_cs_asserted)
-			spi_transaction_flush(SPI_FP_DEVICE);
-		else
-			spi_transaction_wait(SPI_FP_DEVICE);
-
-		memcpy(read, spi_buf, size);
-	} else {
-		rc = -1;
-	}
-
-	if (rc == 0) {
-		return FPC_RESULT_OK;
-	} else {
-		CPRINTS("Error: spi_transaction()/spi_transaction_async() failed, result=%d",
-			rc);
-		return FPC_RESULT_IO_ERROR;
-	}
-}
-
-bool __unused fpc_sensor_spi_check_irq(void)
-{
-	return (gpio_get_level(GPIO_FPS_INT) == 1);
-}
-
-bool __unused fpc_sensor_spi_read_irq(void)
-{
-	return (gpio_get_level(GPIO_FPS_INT) == 1);
-}
-
-void __unused fpc_sensor_spi_reset(bool state)
-{
-	gpio_set_level(GPIO_FP_RST_ODL, state ? 0 : 1);
-}
-
-void __unused fpc_sensor_spi_init(uint32_t speed_hz)
-{
-}
-
-int __unused fpc_sensor_wfi(uint16_t timeout_ms, fpc_wfi_check_t enter_wfi,
-			    bool enter_wfi_mode)
-{
-	return FPC_RESULT_OK;
-}