1 files changed, 0 insertions, 86 deletions
diff --git a/common/capsense.c b/common/capsense.c
deleted file mode 100644
index b2413ac61f..0000000000
--- a/common/capsense.c
+++ /dev/null
@@ -1,86 +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.
- */
-
-#include "common.h"
-#include "console.h"
-#include "gpio.h"
-#include "hooks.h"
-#include "i2c.h"
-#include "keyboard_protocol.h"
-#include "timer.h"
-
-/* Console output macro */
-#define CPRINTF(format, args...) cprintf(CC_KEYBOARD, format, ## args)
-#define CPRINTS(format, args...) cprints(CC_KEYBOARD, format, ## args)
-
-#define CAPSENSE_I2C_ADDR 0x08
-#define CAPSENSE_MASK_BITS 8
-#define CAPSENSE_POLL_INTERVAL (20 * MSEC)
-
-static int capsense_read_bitmask(void)
-{
-	int rv;
-	uint8_t val = 0;
-
-	rv = i2c_xfer(I2C_PORT_CAPSENSE, CAPSENSE_I2C_ADDR,
-		      0, 0, &val, 1);
-
-	if (rv)
-		CPRINTS("%s failed: error %d", __func__, rv);
-
-	return val;
-}
-
-static void capsense_init(void)
-{
-	gpio_enable_interrupt(GPIO_CAPSENSE_INT_L);
-}
-DECLARE_HOOK(HOOK_INIT, capsense_init, HOOK_PRIO_DEFAULT);
-
-/*
- * Keep checking polling the capsense until all the buttons are released.
- * We're not worrying about debouncing, since the capsense module should do
- * that for us.
- */
-static void capsense_change_deferred(void)
-{
-	static uint8_t cur_val;
-	uint8_t new_val;
-	int i, n, c;
-
-	new_val = capsense_read_bitmask();
-	if (new_val != cur_val) {
-		CPRINTF("[%pT capsense 0x%02x: ",
-			PRINTF_TIMESTAMP_NOW, new_val);
-		for (i = 0; i < CAPSENSE_MASK_BITS; i++) {
-			/* See what changed */
-			n = (new_val >> i) & 0x01;
-			c = (cur_val >> i) & 0x01;
-			CPRINTF("%s", n ? " X " : " _ ");
-			if (n == c)
-				continue;
-#ifdef HAS_TASK_KEYPROTO
-			/* Treat it as a keyboard event. */
-			keyboard_update_button(i + KEYBOARD_BUTTON_CAPSENSE_1,
-					       n);
-#endif
-		}
-		CPRINTF("]\n");
-		cur_val = new_val;
-	}
-
-	if (cur_val)
-		hook_call_deferred(&capsense_change_deferred_data,
-				   CAPSENSE_POLL_INTERVAL);
-}
-DECLARE_DEFERRED(capsense_change_deferred);
-
-/*
- * Somebody's poking at us.
- */
-void capsense_interrupt(enum gpio_signal signal)
-{
-	hook_call_deferred(&capsense_change_deferred_data, 0);
-}