1 files changed, 0 insertions, 52 deletions
diff --git a/driver/ioexpander/pca9534.c b/driver/ioexpander/pca9534.c
deleted file mode 100644
index d56eb864cb..0000000000
--- a/driver/ioexpander/pca9534.c
+++ /dev/null
@@ -1,52 +0,0 @@
-/* Copyright 2014 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.
- *
- * NXP PCA9534 I/O expander
- */
-
-#include "i2c.h"
-#include "pca9534.h"
-
-static int pca9534_pin_read(const int port, const uint16_t addr_flags,
-			    int reg, int pin, int *val)
-{
-	int ret;
-	ret = i2c_read8(port, addr_flags, reg, val);
-	*val = (*val & BIT(pin)) ? 1 : 0;
-	return ret;
-}
-
-static int pca9534_pin_write(const int port, const uint16_t addr_flags,
-			     int reg, int pin, int val)
-{
-	int ret, v;
-	ret = i2c_read8(port, addr_flags, reg, &v);
-	if (ret != EC_SUCCESS)
-		return ret;
-	v &= ~BIT(pin);
-	if (val)
-		v |= 1 << pin;
-	return i2c_write8(port, addr_flags, reg, v);
-}
-
-int pca9534_get_level(const int port, const uint16_t addr_flags,
-		      int pin, int *level)
-{
-	return pca9534_pin_read(port, addr_flags,
-				PCA9534_REG_INPUT, pin, level);
-}
-
-int pca9534_set_level(const int port, const uint16_t addr_flags,
-		      int pin, int level)
-{
-	return pca9534_pin_write(port, addr_flags,
-				 PCA9534_REG_OUTPUT, pin, level);
-}
-
-int pca9534_config_pin(const int port, const uint16_t addr_flags,
-		       int pin, int is_input)
-{
-	return pca9534_pin_write(port, addr_flags,
-				 PCA9534_REG_CONFIG, pin, is_input);
-}